1e41f4b71Sopenharmony_ci# @ohos.i18n (国际化-I18n)
2e41f4b71Sopenharmony_ci
3e41f4b71Sopenharmony_ci本模块提供系统相关的或者增强的国际化能力,包括区域管理、电话号码处理、日历等,相关接口为ECMA 402标准中未定义的补充接口。[Intl模块](js-apis-intl.md)提供了ECMA 402标准定义的基础国际化接口,与本模块共同使用可提供完整地国际化支持能力。
4e41f4b71Sopenharmony_ci
5e41f4b71Sopenharmony_ci>  **说明:**
6e41f4b71Sopenharmony_ci>
7e41f4b71Sopenharmony_ci>  - 本模块首批接口从API version 7开始支持。后续版本的新增接口,采用上角标单独标记接口的起始版本。
8e41f4b71Sopenharmony_ci>
9e41f4b71Sopenharmony_ci>  - 本模块接口依据[CLDR](https://cldr.unicode.org) 国际化数据库进行处理,随着CLDR演进,本模块接口处理结果可能发生变化。其中,API version 12对应[CLDR 42](https://cldr.unicode.org/index/downloads/cldr-42),具体数据变化请参考官方链接。
10e41f4b71Sopenharmony_ci>
11e41f4b71Sopenharmony_ci>  - 从API version 11开始,本模块部分接口支持在ArkTS卡片中使用。
12e41f4b71Sopenharmony_ci
13e41f4b71Sopenharmony_ci
14e41f4b71Sopenharmony_ci## 导入模块
15e41f4b71Sopenharmony_ci
16e41f4b71Sopenharmony_ci```ts
17e41f4b71Sopenharmony_ciimport { i18n } from '@kit.LocalizationKit';
18e41f4b71Sopenharmony_ci```
19e41f4b71Sopenharmony_ci
20e41f4b71Sopenharmony_ci## System<sup>9+</sup>
21e41f4b71Sopenharmony_ci
22e41f4b71Sopenharmony_ci### getDisplayCountry<sup>9+</sup>
23e41f4b71Sopenharmony_ci
24e41f4b71Sopenharmony_cistatic getDisplayCountry(country: string, locale: string, sentenceCase?: boolean): string
25e41f4b71Sopenharmony_ci
26e41f4b71Sopenharmony_ci文本按指定国家进行本地化显示。
27e41f4b71Sopenharmony_ci
28e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
29e41f4b71Sopenharmony_ci
30e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
31e41f4b71Sopenharmony_ci
32e41f4b71Sopenharmony_ci**参数:**
33e41f4b71Sopenharmony_ci
34e41f4b71Sopenharmony_ci| 参数名          | 类型      | 必填   | 说明               |
35e41f4b71Sopenharmony_ci| ------------ | ------- | ---- | ---------------- |
36e41f4b71Sopenharmony_ci| country      | string  | 是    | 用于指定国家,要求是合法的国家码。            |
37e41f4b71Sopenharmony_ci| locale       | string  | 是    | 指定国家的区域ID,要求是合法的区域ID。     |
38e41f4b71Sopenharmony_ci| sentenceCase | boolean | 否    | 本地化显示文本时,首字母是否大写。默认值:true。 |
39e41f4b71Sopenharmony_ci
40e41f4b71Sopenharmony_ci**返回值:**
41e41f4b71Sopenharmony_ci
42e41f4b71Sopenharmony_ci| 类型     | 说明            |
43e41f4b71Sopenharmony_ci| ------ | ------------- |
44e41f4b71Sopenharmony_ci| string | 按指定国家,本地化显示的文本。 |
45e41f4b71Sopenharmony_ci
46e41f4b71Sopenharmony_ci**错误码:**
47e41f4b71Sopenharmony_ci
48e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
49e41f4b71Sopenharmony_ci
50e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
51e41f4b71Sopenharmony_ci| ------ | ---------------------- |
52e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
53e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
54e41f4b71Sopenharmony_ci
55e41f4b71Sopenharmony_ci> **说明**
56e41f4b71Sopenharmony_ci>
57e41f4b71Sopenharmony_ci> 890001的报错信息请以接口的实际报错为准。
58e41f4b71Sopenharmony_ci
59e41f4b71Sopenharmony_ci**示例:**
60e41f4b71Sopenharmony_ci  ```ts
61e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
62e41f4b71Sopenharmony_ci
63e41f4b71Sopenharmony_ci  try {
64e41f4b71Sopenharmony_ci      let displayCountry: string = i18n.System.getDisplayCountry("zh-CN", "en-GB"); // displayCountry = "China"
65e41f4b71Sopenharmony_ci  } catch (error) {
66e41f4b71Sopenharmony_ci      let err: BusinessError = error as BusinessError;
67e41f4b71Sopenharmony_ci      console.error(`call System.getDisplayCountry failed, error code: ${err.code}, message: ${err.message}.`);
68e41f4b71Sopenharmony_ci  }
69e41f4b71Sopenharmony_ci  ```
70e41f4b71Sopenharmony_ci
71e41f4b71Sopenharmony_ci### getDisplayLanguage<sup>9+</sup>
72e41f4b71Sopenharmony_ci
73e41f4b71Sopenharmony_cistatic getDisplayLanguage(language: string, locale: string, sentenceCase?: boolean): string
74e41f4b71Sopenharmony_ci
75e41f4b71Sopenharmony_ci文本按指定语言进行本地化显示。例如,getDisplayLanguage("de", "zh-Hans-CN")用中文显示德文,接口输出结果为:德文。
76e41f4b71Sopenharmony_ci
77e41f4b71Sopenharmony_ci**原子化服务API**: 从API version 11开始,该接口支持在原子化服务中使用。
78e41f4b71Sopenharmony_ci
79e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
80e41f4b71Sopenharmony_ci
81e41f4b71Sopenharmony_ci**参数:**
82e41f4b71Sopenharmony_ci
83e41f4b71Sopenharmony_ci| 参数名          | 类型      | 必填   | 说明               |
84e41f4b71Sopenharmony_ci| ------------ | ------- | ---- | ---------------- |
85e41f4b71Sopenharmony_ci| language     | string  | 是    | 用于指定语言,要求是合法的语言ID。            |
86e41f4b71Sopenharmony_ci| locale       | string  | 是    | 指定语言的区域ID,要求是合法的区域ID。     |
87e41f4b71Sopenharmony_ci| sentenceCase | boolean | 否    | 本地化显示文本时,首字母是否大写。默认值:true。 |
88e41f4b71Sopenharmony_ci
89e41f4b71Sopenharmony_ci**返回值:**
90e41f4b71Sopenharmony_ci
91e41f4b71Sopenharmony_ci| 类型     | 说明            |
92e41f4b71Sopenharmony_ci| ------ | ------------- |
93e41f4b71Sopenharmony_ci| string | 按指定语言,本地化显示的语言。 |
94e41f4b71Sopenharmony_ci
95e41f4b71Sopenharmony_ci**错误码:**
96e41f4b71Sopenharmony_ci
97e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
98e41f4b71Sopenharmony_ci
99e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
100e41f4b71Sopenharmony_ci| ------ | ---------------------- |
101e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
102e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
103e41f4b71Sopenharmony_ci
104e41f4b71Sopenharmony_ci**示例:**
105e41f4b71Sopenharmony_ci  ```ts
106e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
107e41f4b71Sopenharmony_ci
108e41f4b71Sopenharmony_ci  try {
109e41f4b71Sopenharmony_ci    let displayLanguage: string = i18n.System.getDisplayLanguage("zh", "en-GB"); // 用英文形式显示中文,displayLanguage = Chinese
110e41f4b71Sopenharmony_ci  } catch(error) {
111e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
112e41f4b71Sopenharmony_ci    console.error(`call System.getDisplayLanguage failed, error code: ${err.code}, message: ${err.message}.`);
113e41f4b71Sopenharmony_ci  }
114e41f4b71Sopenharmony_ci  ```
115e41f4b71Sopenharmony_ci
116e41f4b71Sopenharmony_ci### getSystemLanguages<sup>9+</sup>
117e41f4b71Sopenharmony_ci
118e41f4b71Sopenharmony_cistatic getSystemLanguages(): Array&lt;string&gt;
119e41f4b71Sopenharmony_ci
120e41f4b71Sopenharmony_ci获取系统支持的语言列表。
121e41f4b71Sopenharmony_ci
122e41f4b71Sopenharmony_ci从API version 11开始,该类型支持在ArkTS卡片中使用。
123e41f4b71Sopenharmony_ci
124e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
125e41f4b71Sopenharmony_ci
126e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
127e41f4b71Sopenharmony_ci
128e41f4b71Sopenharmony_ci**返回值:**
129e41f4b71Sopenharmony_ci
130e41f4b71Sopenharmony_ci| 类型                  | 说明           |
131e41f4b71Sopenharmony_ci| ------------------- | ------------ |
132e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 系统支持的语言ID列表。 |
133e41f4b71Sopenharmony_ci
134e41f4b71Sopenharmony_ci**示例:**
135e41f4b71Sopenharmony_ci  ```ts
136e41f4b71Sopenharmony_ci  let systemLanguages: Array<string> = i18n.System.getSystemLanguages(); // [ "ug", "bo", "zh-Hant", "en-Latn-US", "zh-Hans" ]
137e41f4b71Sopenharmony_ci  ```
138e41f4b71Sopenharmony_ci
139e41f4b71Sopenharmony_ci### getSystemCountries<sup>9+</sup>
140e41f4b71Sopenharmony_ci
141e41f4b71Sopenharmony_cistatic getSystemCountries(language: string): Array&lt;string&gt;
142e41f4b71Sopenharmony_ci
143e41f4b71Sopenharmony_ci针对输入语言,系统支持的国家或地区列表。
144e41f4b71Sopenharmony_ci
145e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
146e41f4b71Sopenharmony_ci
147e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
148e41f4b71Sopenharmony_ci
149e41f4b71Sopenharmony_ci**参数:**
150e41f4b71Sopenharmony_ci
151e41f4b71Sopenharmony_ci| 参数名      | 类型     | 必填   | 说明    |
152e41f4b71Sopenharmony_ci| -------- | ------ | ---- | ----- |
153e41f4b71Sopenharmony_ci| language | string | 是    | 合法的语言ID。 |
154e41f4b71Sopenharmony_ci
155e41f4b71Sopenharmony_ci**返回值:**
156e41f4b71Sopenharmony_ci
157e41f4b71Sopenharmony_ci| 类型                  | 说明           |
158e41f4b71Sopenharmony_ci| ------------------- | ------------ |
159e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 系统支持某种特定语言的国家或地区列表。 |
160e41f4b71Sopenharmony_ci
161e41f4b71Sopenharmony_ci**错误码:**
162e41f4b71Sopenharmony_ci
163e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
164e41f4b71Sopenharmony_ci
165e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
166e41f4b71Sopenharmony_ci| ------ | ---------------------- |
167e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
168e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
169e41f4b71Sopenharmony_ci
170e41f4b71Sopenharmony_ci> **说明**
171e41f4b71Sopenharmony_ci>
172e41f4b71Sopenharmony_ci> 890001的报错信息请以接口的实际报错为准。
173e41f4b71Sopenharmony_ci
174e41f4b71Sopenharmony_ci**示例:**
175e41f4b71Sopenharmony_ci  ```ts
176e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
177e41f4b71Sopenharmony_ci
178e41f4b71Sopenharmony_ci  try {
179e41f4b71Sopenharmony_ci    let systemCountries: Array<string> = i18n.System.getSystemCountries('zh'); // systemCountries = [ "ZW", "YT", "YE", ..., "ER", "CN", "DE" ]
180e41f4b71Sopenharmony_ci  } catch(error) {
181e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
182e41f4b71Sopenharmony_ci    console.error(`call System.getSystemCountries failed, error code: ${err.code}, message: ${err.message}.`);
183e41f4b71Sopenharmony_ci  }
184e41f4b71Sopenharmony_ci  ```
185e41f4b71Sopenharmony_ci
186e41f4b71Sopenharmony_ci### isSuggested<sup>9+</sup>
187e41f4b71Sopenharmony_ci
188e41f4b71Sopenharmony_cistatic isSuggested(language: string, region?: string): boolean
189e41f4b71Sopenharmony_ci
190e41f4b71Sopenharmony_ci判断当前语言和地区是否匹配。
191e41f4b71Sopenharmony_ci
192e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
193e41f4b71Sopenharmony_ci
194e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
195e41f4b71Sopenharmony_ci
196e41f4b71Sopenharmony_ci**参数:**
197e41f4b71Sopenharmony_ci
198e41f4b71Sopenharmony_ci| 参数名      | 类型     | 必填   | 说明            |
199e41f4b71Sopenharmony_ci| -------- | ------ | ---- | ------------- |
200e41f4b71Sopenharmony_ci| language | string | 是    | 合法的语言ID,例如zh。 |
201e41f4b71Sopenharmony_ci| region   | string | 否    | 合法的地区ID,例如CN。<br>默认值:使用SIM卡国家或地区。  |
202e41f4b71Sopenharmony_ci
203e41f4b71Sopenharmony_ci**返回值:**
204e41f4b71Sopenharmony_ci
205e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
206e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
207e41f4b71Sopenharmony_ci| boolean | 返回true,表示当前语言和地区匹配;<br>返回false,表示当前语言和地区不匹配。 |
208e41f4b71Sopenharmony_ci
209e41f4b71Sopenharmony_ci**错误码:**
210e41f4b71Sopenharmony_ci
211e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
212e41f4b71Sopenharmony_ci
213e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
214e41f4b71Sopenharmony_ci| ------ | ---------------------- |
215e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
216e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
217e41f4b71Sopenharmony_ci
218e41f4b71Sopenharmony_ci
219e41f4b71Sopenharmony_ci> **说明**
220e41f4b71Sopenharmony_ci>
221e41f4b71Sopenharmony_ci> 890001的报错信息请以接口的实际报错为准。
222e41f4b71Sopenharmony_ci
223e41f4b71Sopenharmony_ci**示例:**
224e41f4b71Sopenharmony_ci  ```ts
225e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
226e41f4b71Sopenharmony_ci
227e41f4b71Sopenharmony_ci  try {
228e41f4b71Sopenharmony_ci    let res: boolean = i18n.System.isSuggested('zh', 'CN');  // res = true
229e41f4b71Sopenharmony_ci  } catch(error) {
230e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
231e41f4b71Sopenharmony_ci    console.error(`call System.isSuggested failed, error code: ${err.code}, message: ${err.message}.`);
232e41f4b71Sopenharmony_ci  }
233e41f4b71Sopenharmony_ci  ```
234e41f4b71Sopenharmony_ci
235e41f4b71Sopenharmony_ci### getSystemLanguage<sup>9+</sup>
236e41f4b71Sopenharmony_ci
237e41f4b71Sopenharmony_cistatic getSystemLanguage(): string
238e41f4b71Sopenharmony_ci
239e41f4b71Sopenharmony_ci获取系统语言。
240e41f4b71Sopenharmony_ci
241e41f4b71Sopenharmony_ci**原子化服务API**:从API version 11开始,该接口支持在原子化服务中使用。
242e41f4b71Sopenharmony_ci
243e41f4b71Sopenharmony_ci**卡片能力**:从API version 11开始,该接口支持在ArkTS卡片中使用。
244e41f4b71Sopenharmony_ci
245e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
246e41f4b71Sopenharmony_ci
247e41f4b71Sopenharmony_ci**返回值:**
248e41f4b71Sopenharmony_ci
249e41f4b71Sopenharmony_ci| 类型     | 说明      |
250e41f4b71Sopenharmony_ci| ------ | ------- |
251e41f4b71Sopenharmony_ci| string | 系统语言ID。 |
252e41f4b71Sopenharmony_ci
253e41f4b71Sopenharmony_ci**示例:**
254e41f4b71Sopenharmony_ci  ```ts
255e41f4b71Sopenharmony_ci  let systemLanguage: string = i18n.System.getSystemLanguage();  // systemLanguage为当前系统语言
256e41f4b71Sopenharmony_ci  ```
257e41f4b71Sopenharmony_ci
258e41f4b71Sopenharmony_ci### getSystemRegion<sup>9+</sup>
259e41f4b71Sopenharmony_ci
260e41f4b71Sopenharmony_cistatic getSystemRegion(): string
261e41f4b71Sopenharmony_ci
262e41f4b71Sopenharmony_ci获取系统地区。
263e41f4b71Sopenharmony_ci
264e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
265e41f4b71Sopenharmony_ci
266e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
267e41f4b71Sopenharmony_ci
268e41f4b71Sopenharmony_ci**返回值:**
269e41f4b71Sopenharmony_ci
270e41f4b71Sopenharmony_ci| 类型     | 说明      |
271e41f4b71Sopenharmony_ci| ------ | ------- |
272e41f4b71Sopenharmony_ci| string | 系统地区ID。 |
273e41f4b71Sopenharmony_ci
274e41f4b71Sopenharmony_ci**示例:**
275e41f4b71Sopenharmony_ci  ```ts
276e41f4b71Sopenharmony_ci  let systemRegion: string = i18n.System.getSystemRegion(); // 获取系统当前地区设置
277e41f4b71Sopenharmony_ci  ```
278e41f4b71Sopenharmony_ci
279e41f4b71Sopenharmony_ci### getSystemLocale<sup>9+</sup>
280e41f4b71Sopenharmony_ci
281e41f4b71Sopenharmony_cistatic getSystemLocale(): string
282e41f4b71Sopenharmony_ci
283e41f4b71Sopenharmony_ci获取系统区域。
284e41f4b71Sopenharmony_ci
285e41f4b71Sopenharmony_ci**原子化服务API**: 从API version 11开始,该接口支持在原子化服务中使用。
286e41f4b71Sopenharmony_ci
287e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
288e41f4b71Sopenharmony_ci
289e41f4b71Sopenharmony_ci**返回值:**
290e41f4b71Sopenharmony_ci
291e41f4b71Sopenharmony_ci| 类型     | 说明      |
292e41f4b71Sopenharmony_ci| ------ | ------- |
293e41f4b71Sopenharmony_ci| string | 系统区域ID。 |
294e41f4b71Sopenharmony_ci
295e41f4b71Sopenharmony_ci**示例:**
296e41f4b71Sopenharmony_ci  ```ts
297e41f4b71Sopenharmony_ci  let systemLocale: string = i18n.System.getSystemLocale();  // 获取系统当前Locale
298e41f4b71Sopenharmony_ci  ```
299e41f4b71Sopenharmony_ci
300e41f4b71Sopenharmony_ci### is24HourClock<sup>9+</sup>
301e41f4b71Sopenharmony_ci
302e41f4b71Sopenharmony_cistatic is24HourClock(): boolean
303e41f4b71Sopenharmony_ci
304e41f4b71Sopenharmony_ci判断系统时间是否为24小时制。
305e41f4b71Sopenharmony_ci
306e41f4b71Sopenharmony_ci**卡片能力**:从API version 11开始,该接口支持在ArkTS卡片中使用。
307e41f4b71Sopenharmony_ci
308e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
309e41f4b71Sopenharmony_ci
310e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
311e41f4b71Sopenharmony_ci
312e41f4b71Sopenharmony_ci**返回值:**
313e41f4b71Sopenharmony_ci
314e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
315e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
316e41f4b71Sopenharmony_ci| boolean | 返回true,表示系统24小时开关开启;返回false,表示系统24小时开关关闭。 |
317e41f4b71Sopenharmony_ci
318e41f4b71Sopenharmony_ci**示例:**
319e41f4b71Sopenharmony_ci  ```ts
320e41f4b71Sopenharmony_ci  let is24HourClock: boolean = i18n.System.is24HourClock();  // 系统24小时开关是否开启
321e41f4b71Sopenharmony_ci  ```
322e41f4b71Sopenharmony_ci
323e41f4b71Sopenharmony_ci
324e41f4b71Sopenharmony_ci### getPreferredLanguageList<sup>9+</sup>
325e41f4b71Sopenharmony_ci
326e41f4b71Sopenharmony_cistatic getPreferredLanguageList(): Array&lt;string&gt;
327e41f4b71Sopenharmony_ci
328e41f4b71Sopenharmony_ci获取系统偏好语言列表。
329e41f4b71Sopenharmony_ci
330e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
331e41f4b71Sopenharmony_ci
332e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
333e41f4b71Sopenharmony_ci
334e41f4b71Sopenharmony_ci**返回值:**
335e41f4b71Sopenharmony_ci
336e41f4b71Sopenharmony_ci| 类型                  | 说明        |
337e41f4b71Sopenharmony_ci| ------------------- | --------- |
338e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 系统偏好语言列表。 |
339e41f4b71Sopenharmony_ci
340e41f4b71Sopenharmony_ci**示例:**
341e41f4b71Sopenharmony_ci  ```ts
342e41f4b71Sopenharmony_ci  let preferredLanguageList: Array<string> = i18n.System.getPreferredLanguageList(); // 获取系统当前偏好语言列表
343e41f4b71Sopenharmony_ci  ```
344e41f4b71Sopenharmony_ci
345e41f4b71Sopenharmony_ci### getFirstPreferredLanguage<sup>9+</sup>
346e41f4b71Sopenharmony_ci
347e41f4b71Sopenharmony_cistatic getFirstPreferredLanguage(): string
348e41f4b71Sopenharmony_ci
349e41f4b71Sopenharmony_ci获取系统偏好语言列表中的第一个偏好语言。
350e41f4b71Sopenharmony_ci
351e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
352e41f4b71Sopenharmony_ci
353e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
354e41f4b71Sopenharmony_ci
355e41f4b71Sopenharmony_ci**返回值:**
356e41f4b71Sopenharmony_ci
357e41f4b71Sopenharmony_ci| 类型     | 说明             |
358e41f4b71Sopenharmony_ci| ------ | -------------- |
359e41f4b71Sopenharmony_ci| string | 偏好语言列表中的第一个语言。 |
360e41f4b71Sopenharmony_ci
361e41f4b71Sopenharmony_ci**示例:**
362e41f4b71Sopenharmony_ci  ```ts
363e41f4b71Sopenharmony_ci  let firstPreferredLanguage: string = i18n.System.getFirstPreferredLanguage();  // 获取系统当前偏好语言列表中的第一个偏好语言
364e41f4b71Sopenharmony_ci  ```
365e41f4b71Sopenharmony_ci
366e41f4b71Sopenharmony_ci### setAppPreferredLanguage<sup>11+</sup>
367e41f4b71Sopenharmony_ci
368e41f4b71Sopenharmony_cistatic setAppPreferredLanguage(language: string): void
369e41f4b71Sopenharmony_ci
370e41f4b71Sopenharmony_ci设置应用的偏好语言。
371e41f4b71Sopenharmony_ci
372e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
373e41f4b71Sopenharmony_ci
374e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
375e41f4b71Sopenharmony_ci
376e41f4b71Sopenharmony_ci**参数:**
377e41f4b71Sopenharmony_ci
378e41f4b71Sopenharmony_ci| 参数名      | 类型     | 必填   | 说明    |
379e41f4b71Sopenharmony_ci| -------- | ------ | ---- | ----- |
380e41f4b71Sopenharmony_ci| language | string | 是    | 合法的语言ID。 |
381e41f4b71Sopenharmony_ci
382e41f4b71Sopenharmony_ci**错误码:**
383e41f4b71Sopenharmony_ci
384e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
385e41f4b71Sopenharmony_ci
386e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
387e41f4b71Sopenharmony_ci| ------ | ---------------------- |
388e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
389e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
390e41f4b71Sopenharmony_ci
391e41f4b71Sopenharmony_ci**示例:**
392e41f4b71Sopenharmony_ci  ```ts
393e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
394e41f4b71Sopenharmony_ci
395e41f4b71Sopenharmony_ci  try {
396e41f4b71Sopenharmony_ci    i18n.System.setAppPreferredLanguage('zh'); // 设置应用当前的偏好语言为 "zh"
397e41f4b71Sopenharmony_ci  } catch(error) {
398e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
399e41f4b71Sopenharmony_ci    console.error(`call System.setAppPreferredLanguage failed, error code: ${err.code}, message: ${err.message}.`);
400e41f4b71Sopenharmony_ci  }
401e41f4b71Sopenharmony_ci  ```
402e41f4b71Sopenharmony_ci
403e41f4b71Sopenharmony_ci### getAppPreferredLanguage<sup>9+</sup>
404e41f4b71Sopenharmony_ci
405e41f4b71Sopenharmony_cistatic getAppPreferredLanguage(): string
406e41f4b71Sopenharmony_ci
407e41f4b71Sopenharmony_ci获取应用的偏好语言。
408e41f4b71Sopenharmony_ci
409e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
410e41f4b71Sopenharmony_ci
411e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
412e41f4b71Sopenharmony_ci
413e41f4b71Sopenharmony_ci**返回值:**
414e41f4b71Sopenharmony_ci
415e41f4b71Sopenharmony_ci| 类型     | 说明       |
416e41f4b71Sopenharmony_ci| ------ | -------- |
417e41f4b71Sopenharmony_ci| string | 应用的偏好语言。 |
418e41f4b71Sopenharmony_ci
419e41f4b71Sopenharmony_ci**示例:**
420e41f4b71Sopenharmony_ci  ```ts
421e41f4b71Sopenharmony_ci  let appPreferredLanguage: string = i18n.System.getAppPreferredLanguage(); // 获取应用偏好语言
422e41f4b71Sopenharmony_ci  ```
423e41f4b71Sopenharmony_ci
424e41f4b71Sopenharmony_ci
425e41f4b71Sopenharmony_ci### getUsingLocalDigit<sup>9+</sup>
426e41f4b71Sopenharmony_ci
427e41f4b71Sopenharmony_cistatic getUsingLocalDigit(): boolean
428e41f4b71Sopenharmony_ci
429e41f4b71Sopenharmony_ci判断系统是否使用本地数字。
430e41f4b71Sopenharmony_ci
431e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
432e41f4b71Sopenharmony_ci
433e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
434e41f4b71Sopenharmony_ci
435e41f4b71Sopenharmony_ci**返回值:**
436e41f4b71Sopenharmony_ci
437e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
438e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
439e41f4b71Sopenharmony_ci| boolean | true表示本地数字开关已打开,false表示本地数字开关未打开。 |
440e41f4b71Sopenharmony_ci
441e41f4b71Sopenharmony_ci**示例:**
442e41f4b71Sopenharmony_ci  ```ts
443e41f4b71Sopenharmony_ci  let status: boolean = i18n.System.getUsingLocalDigit();  // 判断本地化数字开关是否打开
444e41f4b71Sopenharmony_ci  ```
445e41f4b71Sopenharmony_ci
446e41f4b71Sopenharmony_ci
447e41f4b71Sopenharmony_ci## i18n.isRTL
448e41f4b71Sopenharmony_ci
449e41f4b71Sopenharmony_ciisRTL(locale: string): boolean
450e41f4b71Sopenharmony_ci
451e41f4b71Sopenharmony_ci判断某区域语言是否从右到左显示。
452e41f4b71Sopenharmony_ci
453e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
454e41f4b71Sopenharmony_ci
455e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
456e41f4b71Sopenharmony_ci
457e41f4b71Sopenharmony_ci**参数:**
458e41f4b71Sopenharmony_ci
459e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明      |
460e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------- |
461e41f4b71Sopenharmony_ci| locale | string | 是    | 区域ID。 |
462e41f4b71Sopenharmony_ci
463e41f4b71Sopenharmony_ci**返回值:**
464e41f4b71Sopenharmony_ci
465e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
466e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
467e41f4b71Sopenharmony_ci| boolean | true表示该区域语言从右至左显示,false表示该区域语言从左至右显示。 |
468e41f4b71Sopenharmony_ci
469e41f4b71Sopenharmony_ci**示例:**
470e41f4b71Sopenharmony_ci  ```ts
471e41f4b71Sopenharmony_ci  i18n.isRTL("zh-CN");// 中文不是RTL语言,返回false
472e41f4b71Sopenharmony_ci  i18n.isRTL("ar-EG");// 阿语是RTL语言,返回true
473e41f4b71Sopenharmony_ci  ```
474e41f4b71Sopenharmony_ci
475e41f4b71Sopenharmony_ci## i18n.getCalendar<sup>8+</sup>
476e41f4b71Sopenharmony_ci
477e41f4b71Sopenharmony_cigetCalendar(locale: string, type? : string): Calendar
478e41f4b71Sopenharmony_ci
479e41f4b71Sopenharmony_ci获取日历对象。
480e41f4b71Sopenharmony_ci
481e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
482e41f4b71Sopenharmony_ci
483e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
484e41f4b71Sopenharmony_ci
485e41f4b71Sopenharmony_ci**参数:**
486e41f4b71Sopenharmony_ci
487e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                                       |
488e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------------------------------------- |
489e41f4b71Sopenharmony_ci| locale | string | 是    | 合法的区域ID,例如zh-Hans-CN。                 |
490e41f4b71Sopenharmony_ci| type   | string | 否    | 合法的日历类型,取值包括:buddhist,&nbsp;chinese,&nbsp;coptic,&nbsp;ethiopic,&nbsp;hebrew,&nbsp;gregory,&nbsp;indian,&nbsp;islamic_civil,&nbsp;islamic_tbla,&nbsp;islamic_umalqura,&nbsp;japanese,&nbsp;persian。<br>默认值:区域默认的日历类型。不同取值代表的含义和不同场景下取值请参考[设置日历和历法](../../internationalization/i18n-calendar.md)。 |
491e41f4b71Sopenharmony_ci
492e41f4b71Sopenharmony_ci**返回值:**
493e41f4b71Sopenharmony_ci
494e41f4b71Sopenharmony_ci| 类型                     | 说明    |
495e41f4b71Sopenharmony_ci| ---------------------- | ----- |
496e41f4b71Sopenharmony_ci| [Calendar](#calendar8) | 日历对象。 |
497e41f4b71Sopenharmony_ci
498e41f4b71Sopenharmony_ci**示例:**
499e41f4b71Sopenharmony_ci  ```ts
500e41f4b71Sopenharmony_ci  i18n.getCalendar("zh-Hans", "chinese"); // 获取中国农历日历对象
501e41f4b71Sopenharmony_ci  ```
502e41f4b71Sopenharmony_ci
503e41f4b71Sopenharmony_ci## EntityRecognizer<sup>11+</sup>
504e41f4b71Sopenharmony_ci
505e41f4b71Sopenharmony_ci### constructor<sup>11+</sup>
506e41f4b71Sopenharmony_ci
507e41f4b71Sopenharmony_ciconstructor(locale?: string)
508e41f4b71Sopenharmony_ci
509e41f4b71Sopenharmony_ci创建实体识别对象。
510e41f4b71Sopenharmony_ci
511e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
512e41f4b71Sopenharmony_ci
513e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
514e41f4b71Sopenharmony_ci
515e41f4b71Sopenharmony_ci**参数:**
516e41f4b71Sopenharmony_ci
517e41f4b71Sopenharmony_ci| 参数名  | 类型   | 必填   | 说明                |
518e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ----------------- |
519e41f4b71Sopenharmony_ci| locale | string | 否    | 合法的区域ID,例如zh-Hans-CN。 |
520e41f4b71Sopenharmony_ci
521e41f4b71Sopenharmony_ci**错误码:**
522e41f4b71Sopenharmony_ci
523e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
524e41f4b71Sopenharmony_ci
525e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
526e41f4b71Sopenharmony_ci| ------ | ---------------------- |
527e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
528e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
529e41f4b71Sopenharmony_ci
530e41f4b71Sopenharmony_ci**示例:**
531e41f4b71Sopenharmony_ci  ```ts
532e41f4b71Sopenharmony_ci  let entityRecognizer: i18n.EntityRecognizer = new i18n.EntityRecognizer("zh-CN");
533e41f4b71Sopenharmony_ci  ```
534e41f4b71Sopenharmony_ci
535e41f4b71Sopenharmony_ci### findEntityInfo<sup>11+</sup>
536e41f4b71Sopenharmony_ci
537e41f4b71Sopenharmony_cifindEntityInfo(text: string): Array&lt;EntityInfoItem&gt;
538e41f4b71Sopenharmony_ci
539e41f4b71Sopenharmony_ci识别文本中的实体信息。
540e41f4b71Sopenharmony_ci
541e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
542e41f4b71Sopenharmony_ci
543e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
544e41f4b71Sopenharmony_ci
545e41f4b71Sopenharmony_ci**参数:**
546e41f4b71Sopenharmony_ci
547e41f4b71Sopenharmony_ci| 参数名  | 类型   | 必填   | 说明                |
548e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ----------------- |
549e41f4b71Sopenharmony_ci| text | string | 是    | 需要被识别的文本。 |
550e41f4b71Sopenharmony_ci
551e41f4b71Sopenharmony_ci**返回值:**
552e41f4b71Sopenharmony_ci
553e41f4b71Sopenharmony_ci| 类型   | 说明                |
554e41f4b71Sopenharmony_ci| ---- | ----------------- |
555e41f4b71Sopenharmony_ci| Array&lt;[EntityInfoItem](#entityinfoitem11)&gt; | 文本中的实体信息列表。 |
556e41f4b71Sopenharmony_ci
557e41f4b71Sopenharmony_ci**错误码:**
558e41f4b71Sopenharmony_ci
559e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)。
560e41f4b71Sopenharmony_ci
561e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
562e41f4b71Sopenharmony_ci| ------ | ---------------------- |
563e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
564e41f4b71Sopenharmony_ci
565e41f4b71Sopenharmony_ci**示例:**
566e41f4b71Sopenharmony_ci  ```ts
567e41f4b71Sopenharmony_ci  let entityRecognizer: i18n.EntityRecognizer = new i18n.EntityRecognizer("zh-CN");
568e41f4b71Sopenharmony_ci  let text1: string = "如有疑问,请联系158****2312";
569e41f4b71Sopenharmony_ci  let result1: Array<i18n.EntityInfoItem> = entityRecognizer.findEntityInfo(text1); // result1[0].type = "phone_number", result1[0].begin = 8, result1[0].end = 19
570e41f4b71Sopenharmony_ci  let text2: string = "我们2023年12月1日一起吃饭吧。";
571e41f4b71Sopenharmony_ci  let result2: Array<i18n.EntityInfoItem> = entityRecognizer.findEntityInfo(text2); // result2[0].type = "date", result2[0].begin = 2, result2[0].end = 12
572e41f4b71Sopenharmony_ci  ```
573e41f4b71Sopenharmony_ci
574e41f4b71Sopenharmony_ci## EntityInfoItem<sup>11+</sup>
575e41f4b71Sopenharmony_ci
576e41f4b71Sopenharmony_ci实体信息属性。
577e41f4b71Sopenharmony_ci
578e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
579e41f4b71Sopenharmony_ci
580e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
581e41f4b71Sopenharmony_ci
582e41f4b71Sopenharmony_ci| 名称  | 类型   | 可读   | 可写   | 说明                |
583e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---- | ----------------- |
584e41f4b71Sopenharmony_ci| type | string | 是    | 是    | 实体类型,当前支持电话号码和日期类型。 |
585e41f4b71Sopenharmony_ci| begin | number | 是    | 是    | 实体的起始位置。 |
586e41f4b71Sopenharmony_ci| end | number | 是    | 是    | 实体的终止位置。 |
587e41f4b71Sopenharmony_ci
588e41f4b71Sopenharmony_ci## Calendar<sup>8+</sup>
589e41f4b71Sopenharmony_ci
590e41f4b71Sopenharmony_ci### setTime<sup>8+</sup>
591e41f4b71Sopenharmony_ci
592e41f4b71Sopenharmony_cisetTime(date: Date): void
593e41f4b71Sopenharmony_ci
594e41f4b71Sopenharmony_ci设置日历对象内部的时间、日期。
595e41f4b71Sopenharmony_ci
596e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
597e41f4b71Sopenharmony_ci
598e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
599e41f4b71Sopenharmony_ci
600e41f4b71Sopenharmony_ci**参数:**
601e41f4b71Sopenharmony_ci
602e41f4b71Sopenharmony_ci| 参数名  | 类型   | 必填   | 说明                |
603e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ----------------- |
604e41f4b71Sopenharmony_ci| date | Date | 是    | 时间、日期。 |
605e41f4b71Sopenharmony_ci
606e41f4b71Sopenharmony_ci**示例:**
607e41f4b71Sopenharmony_ci  ```ts
608e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("en-US", "gregory");
609e41f4b71Sopenharmony_ci  let date: Date = new Date(2021, 10, 7, 8, 0, 0, 0);
610e41f4b71Sopenharmony_ci  calendar.setTime(date);
611e41f4b71Sopenharmony_ci  ```
612e41f4b71Sopenharmony_ci
613e41f4b71Sopenharmony_ci
614e41f4b71Sopenharmony_ci### setTime<sup>8+</sup>
615e41f4b71Sopenharmony_ci
616e41f4b71Sopenharmony_cisetTime(time: number): void
617e41f4b71Sopenharmony_ci
618e41f4b71Sopenharmony_ci设置日历对象内部的时间、日期。
619e41f4b71Sopenharmony_ci
620e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
621e41f4b71Sopenharmony_ci
622e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
623e41f4b71Sopenharmony_ci
624e41f4b71Sopenharmony_ci**参数:**
625e41f4b71Sopenharmony_ci
626e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明                                       |
627e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ---------------------------------------- |
628e41f4b71Sopenharmony_ci| time | number | 是    | time为从1970.1.1&nbsp;00:00:00&nbsp;GMT逝去的毫秒数。 |
629e41f4b71Sopenharmony_ci
630e41f4b71Sopenharmony_ci**示例:**
631e41f4b71Sopenharmony_ci  ```ts
632e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("en-US", "gregory");
633e41f4b71Sopenharmony_ci  calendar.setTime(10540800000);
634e41f4b71Sopenharmony_ci  ```
635e41f4b71Sopenharmony_ci
636e41f4b71Sopenharmony_ci### set<sup>8+</sup>
637e41f4b71Sopenharmony_ci
638e41f4b71Sopenharmony_ciset(year: number, month: number, date:number, hour?: number, minute?: number, second?: number): void
639e41f4b71Sopenharmony_ci
640e41f4b71Sopenharmony_ci设置日历对象的年、月、日、时、分、秒。
641e41f4b71Sopenharmony_ci
642e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
643e41f4b71Sopenharmony_ci
644e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
645e41f4b71Sopenharmony_ci
646e41f4b71Sopenharmony_ci**参数:**
647e41f4b71Sopenharmony_ci
648e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明     |
649e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------ |
650e41f4b71Sopenharmony_ci| year   | number | 是    | 设置的年。  |
651e41f4b71Sopenharmony_ci| month  | number | 是    | 设置的月。  |
652e41f4b71Sopenharmony_ci| date   | number | 是    | 设置的日。  |
653e41f4b71Sopenharmony_ci| hour   | number | 否    | 设置的小时。默认值:系统小时。 |
654e41f4b71Sopenharmony_ci| minute | number | 否    | 设置的分钟。默认值:系统分钟。 |
655e41f4b71Sopenharmony_ci| second | number | 否    | 设置的秒。默认值:系统秒。 |
656e41f4b71Sopenharmony_ci
657e41f4b71Sopenharmony_ci**示例:**
658e41f4b71Sopenharmony_ci  ```ts
659e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
660e41f4b71Sopenharmony_ci  calendar.set(2021, 10, 1, 8, 0, 0); // set time to 2021.11.1 08:00:00
661e41f4b71Sopenharmony_ci  ```
662e41f4b71Sopenharmony_ci
663e41f4b71Sopenharmony_ci### setTimeZone<sup>8+</sup>
664e41f4b71Sopenharmony_ci
665e41f4b71Sopenharmony_cisetTimeZone(timezone: string): void
666e41f4b71Sopenharmony_ci
667e41f4b71Sopenharmony_ci设置日历对象的时区。
668e41f4b71Sopenharmony_ci
669e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
670e41f4b71Sopenharmony_ci
671e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
672e41f4b71Sopenharmony_ci
673e41f4b71Sopenharmony_ci**参数:**
674e41f4b71Sopenharmony_ci
675e41f4b71Sopenharmony_ci| 参数名      | 类型     | 必填   | 说明                        |
676e41f4b71Sopenharmony_ci| -------- | ------ | ---- | ------------------------- |
677e41f4b71Sopenharmony_ci| timezone | string | 是    | 合法的时区ID,如“Asia/Shanghai”。 |
678e41f4b71Sopenharmony_ci
679e41f4b71Sopenharmony_ci**示例:**
680e41f4b71Sopenharmony_ci  ```ts
681e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
682e41f4b71Sopenharmony_ci  calendar.setTimeZone("Asia/Shanghai");
683e41f4b71Sopenharmony_ci  ```
684e41f4b71Sopenharmony_ci
685e41f4b71Sopenharmony_ci
686e41f4b71Sopenharmony_ci### getTimeZone<sup>8+</sup>
687e41f4b71Sopenharmony_ci
688e41f4b71Sopenharmony_cigetTimeZone(): string
689e41f4b71Sopenharmony_ci
690e41f4b71Sopenharmony_ci获取日历对象的时区。
691e41f4b71Sopenharmony_ci
692e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
693e41f4b71Sopenharmony_ci
694e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
695e41f4b71Sopenharmony_ci
696e41f4b71Sopenharmony_ci**返回值:**
697e41f4b71Sopenharmony_ci
698e41f4b71Sopenharmony_ci| 类型     | 说明         |
699e41f4b71Sopenharmony_ci| ------ | ---------- |
700e41f4b71Sopenharmony_ci| string | 日历对象的时区ID。 |
701e41f4b71Sopenharmony_ci
702e41f4b71Sopenharmony_ci**示例:**
703e41f4b71Sopenharmony_ci  ```ts
704e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
705e41f4b71Sopenharmony_ci  calendar.setTimeZone("Asia/Shanghai");
706e41f4b71Sopenharmony_ci  let timezone: string = calendar.getTimeZone(); // timezone = "Asia/Shanghai"
707e41f4b71Sopenharmony_ci  ```
708e41f4b71Sopenharmony_ci
709e41f4b71Sopenharmony_ci
710e41f4b71Sopenharmony_ci### getFirstDayOfWeek<sup>8+</sup>
711e41f4b71Sopenharmony_ci
712e41f4b71Sopenharmony_cigetFirstDayOfWeek(): number
713e41f4b71Sopenharmony_ci
714e41f4b71Sopenharmony_ci获取日历对象一周的起始日。
715e41f4b71Sopenharmony_ci
716e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
717e41f4b71Sopenharmony_ci
718e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
719e41f4b71Sopenharmony_ci
720e41f4b71Sopenharmony_ci**返回值:**
721e41f4b71Sopenharmony_ci
722e41f4b71Sopenharmony_ci| 类型     | 说明                    |
723e41f4b71Sopenharmony_ci| ------ | --------------------- |
724e41f4b71Sopenharmony_ci| number | 一周的起始日,1代表周日,7代表周六。 |
725e41f4b71Sopenharmony_ci
726e41f4b71Sopenharmony_ci**示例:**
727e41f4b71Sopenharmony_ci  ```ts
728e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("en-US", "gregory");
729e41f4b71Sopenharmony_ci  let firstDayOfWeek: number = calendar.getFirstDayOfWeek(); // firstDayOfWeek = 1
730e41f4b71Sopenharmony_ci  ```
731e41f4b71Sopenharmony_ci
732e41f4b71Sopenharmony_ci
733e41f4b71Sopenharmony_ci### setFirstDayOfWeek<sup>8+</sup>
734e41f4b71Sopenharmony_ci
735e41f4b71Sopenharmony_cisetFirstDayOfWeek(value: number): void
736e41f4b71Sopenharmony_ci
737e41f4b71Sopenharmony_ci设置一周的起始日。
738e41f4b71Sopenharmony_ci
739e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
740e41f4b71Sopenharmony_ci
741e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
742e41f4b71Sopenharmony_ci
743e41f4b71Sopenharmony_ci**参数:**
744e41f4b71Sopenharmony_ci
745e41f4b71Sopenharmony_ci| 参数名   | 类型     | 必填   | 说明                    |
746e41f4b71Sopenharmony_ci| ----- | ------ | ---- | --------------------- |
747e41f4b71Sopenharmony_ci| value | number | 是    | 一周起始日,1代表周日,7代表周六。 |
748e41f4b71Sopenharmony_ci
749e41f4b71Sopenharmony_ci**示例:**
750e41f4b71Sopenharmony_ci  ```ts
751e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
752e41f4b71Sopenharmony_ci  calendar.setFirstDayOfWeek(3);
753e41f4b71Sopenharmony_ci  let firstDayOfWeek: number = calendar.getFirstDayOfWeek(); // firstDayOfWeek = 3
754e41f4b71Sopenharmony_ci  ```
755e41f4b71Sopenharmony_ci
756e41f4b71Sopenharmony_ci### getMinimalDaysInFirstWeek<sup>8+</sup>
757e41f4b71Sopenharmony_ci
758e41f4b71Sopenharmony_cigetMinimalDaysInFirstWeek(): number
759e41f4b71Sopenharmony_ci
760e41f4b71Sopenharmony_ci获取一年中第一周的最小天数。
761e41f4b71Sopenharmony_ci
762e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
763e41f4b71Sopenharmony_ci
764e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
765e41f4b71Sopenharmony_ci
766e41f4b71Sopenharmony_ci**返回值:**
767e41f4b71Sopenharmony_ci
768e41f4b71Sopenharmony_ci| 类型     | 说明           |
769e41f4b71Sopenharmony_ci| ------ | ------------ |
770e41f4b71Sopenharmony_ci| number | 一年中第一周的最小天数。 |
771e41f4b71Sopenharmony_ci
772e41f4b71Sopenharmony_ci**示例:**
773e41f4b71Sopenharmony_ci  ```ts
774e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
775e41f4b71Sopenharmony_ci  let minimalDaysInFirstWeek: number = calendar.getMinimalDaysInFirstWeek(); // minimalDaysInFirstWeek = 1
776e41f4b71Sopenharmony_ci  ```
777e41f4b71Sopenharmony_ci
778e41f4b71Sopenharmony_ci
779e41f4b71Sopenharmony_ci### setMinimalDaysInFirstWeek<sup>8+</sup>
780e41f4b71Sopenharmony_ci
781e41f4b71Sopenharmony_cisetMinimalDaysInFirstWeek(value: number): void
782e41f4b71Sopenharmony_ci
783e41f4b71Sopenharmony_ci设置一年中第一周的最小天数。
784e41f4b71Sopenharmony_ci
785e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
786e41f4b71Sopenharmony_ci
787e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
788e41f4b71Sopenharmony_ci
789e41f4b71Sopenharmony_ci**参数:**
790e41f4b71Sopenharmony_ci
791e41f4b71Sopenharmony_ci| 参数名   | 类型     | 必填   | 说明           |
792e41f4b71Sopenharmony_ci| ----- | ------ | ---- | ------------ |
793e41f4b71Sopenharmony_ci| value | number | 是    | 一年中第一周的最小天数。 |
794e41f4b71Sopenharmony_ci
795e41f4b71Sopenharmony_ci**示例:**
796e41f4b71Sopenharmony_ci  ```ts
797e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
798e41f4b71Sopenharmony_ci  calendar.setMinimalDaysInFirstWeek(3);
799e41f4b71Sopenharmony_ci  let minimalDaysInFirstWeek: number = calendar.getMinimalDaysInFirstWeek(); // minimalDaysInFirstWeek = 3
800e41f4b71Sopenharmony_ci  ```
801e41f4b71Sopenharmony_ci
802e41f4b71Sopenharmony_ci
803e41f4b71Sopenharmony_ci### get<sup>8+</sup>
804e41f4b71Sopenharmony_ci
805e41f4b71Sopenharmony_ciget(field: string): number
806e41f4b71Sopenharmony_ci
807e41f4b71Sopenharmony_ci获取日历对象与field相关联的值。
808e41f4b71Sopenharmony_ci
809e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
810e41f4b71Sopenharmony_ci
811e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
812e41f4b71Sopenharmony_ci
813e41f4b71Sopenharmony_ci**参数:**
814e41f4b71Sopenharmony_ci
815e41f4b71Sopenharmony_ci| 参数名   | 类型     | 必填   | 说明                                       |
816e41f4b71Sopenharmony_ci| ----- | ------ | ---- | ---------------------------------------- |
817e41f4b71Sopenharmony_ci| field | string | 是    | 通过field来获取日历对象相应的值,目前支持的field值请参考下表。 |
818e41f4b71Sopenharmony_ci
819e41f4b71Sopenharmony_ci
820e41f4b71Sopenharmony_ci| field名称   | 说明                                       |
821e41f4b71Sopenharmony_ci| ----- | ---------------------------------------- |
822e41f4b71Sopenharmony_ci| era | 纪元,例如公历中的公元前或者公元后 |
823e41f4b71Sopenharmony_ci| year | 年 |
824e41f4b71Sopenharmony_ci| month | 月 |
825e41f4b71Sopenharmony_ci| date | 日 |
826e41f4b71Sopenharmony_ci| hour | 挂钟小时数 |
827e41f4b71Sopenharmony_ci| hour_of_day | 一天中的第几小时 |
828e41f4b71Sopenharmony_ci| minute | 分 |
829e41f4b71Sopenharmony_ci| second | 秒 |
830e41f4b71Sopenharmony_ci| millisecond | 毫秒 |
831e41f4b71Sopenharmony_ci| week_of_year | 一年中的第几周,按照星期计算周,注意:第一周的归属算法各地有区别 |
832e41f4b71Sopenharmony_ci| year_woy | 一年中的第几周,按照数值计算周,例如一年中前1~7日属于第一周 |
833e41f4b71Sopenharmony_ci| week_of_month | 一个月中的第几周,按照星期计算周 |
834e41f4b71Sopenharmony_ci| day_of_week_in_month | 一月中的第几周,按照数值计算周,例如1-7日属于第一周 |
835e41f4b71Sopenharmony_ci| day_of_year | 一年中的第几天 |
836e41f4b71Sopenharmony_ci| day_of_week | 一周中的第几天(星期) |
837e41f4b71Sopenharmony_ci| milliseconds_in_day | 一天中的第几毫秒 |
838e41f4b71Sopenharmony_ci| zone_offset | 以毫秒计时的时区固定偏移量(不含夏令时) |
839e41f4b71Sopenharmony_ci| dst_offset | 以毫秒计时的夏令时偏移量 |
840e41f4b71Sopenharmony_ci| dow_local | 本地星期 |
841e41f4b71Sopenharmony_ci| extended_year | 扩展的年份数值,支持负数 |
842e41f4b71Sopenharmony_ci| julian_day | 儒略日,与当前时区相关 |
843e41f4b71Sopenharmony_ci| is_leap_month | 是否为闰月 |
844e41f4b71Sopenharmony_ci
845e41f4b71Sopenharmony_ci**返回值:**
846e41f4b71Sopenharmony_ci
847e41f4b71Sopenharmony_ci| 类型     | 说明                                       |
848e41f4b71Sopenharmony_ci| ------ | ---------------------------------------- |
849e41f4b71Sopenharmony_ci| number | 与field相关联的值,如当前Calendar对象的内部日期的年份为1990,get("year")返回1990。 |
850e41f4b71Sopenharmony_ci
851e41f4b71Sopenharmony_ci**示例:**
852e41f4b71Sopenharmony_ci  ```ts
853e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
854e41f4b71Sopenharmony_ci  calendar.set(2021, 10, 1, 8, 0, 0); // set time to 2021.11.1 08:00:00
855e41f4b71Sopenharmony_ci  let hourOfDay: number = calendar.get("hour_of_day"); // hourOfDay = 8
856e41f4b71Sopenharmony_ci  ```
857e41f4b71Sopenharmony_ci
858e41f4b71Sopenharmony_ci
859e41f4b71Sopenharmony_ci### getDisplayName<sup>8+</sup>
860e41f4b71Sopenharmony_ci
861e41f4b71Sopenharmony_cigetDisplayName(locale: string): string
862e41f4b71Sopenharmony_ci
863e41f4b71Sopenharmony_ci获取日历对象在某区域的名字。
864e41f4b71Sopenharmony_ci
865e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
866e41f4b71Sopenharmony_ci
867e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
868e41f4b71Sopenharmony_ci
869e41f4b71Sopenharmony_ci**参数:**
870e41f4b71Sopenharmony_ci
871e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                                       |
872e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------------------------------------- |
873e41f4b71Sopenharmony_ci| locale | string | 是    | 区域ID。 |
874e41f4b71Sopenharmony_ci
875e41f4b71Sopenharmony_ci**返回值:**
876e41f4b71Sopenharmony_ci
877e41f4b71Sopenharmony_ci| 类型     | 说明                  |
878e41f4b71Sopenharmony_ci| ------ | ------------------- |
879e41f4b71Sopenharmony_ci| string | 日历在locale所指示的区域的名字。如,buddhist在en-US上显示的名称为“Buddhist&nbsp;Calendar”。|
880e41f4b71Sopenharmony_ci
881e41f4b71Sopenharmony_ci**示例:**
882e41f4b71Sopenharmony_ci  ```ts
883e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("en-US", "buddhist");
884e41f4b71Sopenharmony_ci  let calendarName: string = calendar.getDisplayName("zh"); // calendarName = "佛历"
885e41f4b71Sopenharmony_ci  ```
886e41f4b71Sopenharmony_ci
887e41f4b71Sopenharmony_ci
888e41f4b71Sopenharmony_ci### isWeekend<sup>8+</sup>
889e41f4b71Sopenharmony_ci
890e41f4b71Sopenharmony_ciisWeekend(date?: Date): boolean
891e41f4b71Sopenharmony_ci
892e41f4b71Sopenharmony_ci判断指定的日期在日历中是否为周末。
893e41f4b71Sopenharmony_ci
894e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
895e41f4b71Sopenharmony_ci
896e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
897e41f4b71Sopenharmony_ci
898e41f4b71Sopenharmony_ci**参数:**
899e41f4b71Sopenharmony_ci
900e41f4b71Sopenharmony_ci| 参数名  | 类型   | 必填   | 说明                                       |
901e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---------------------------------------- |
902e41f4b71Sopenharmony_ci| date | Date | 否    | 指定日期。<br>默认值:系统日期。若不填,则判断当前日期是否为周末。 |
903e41f4b71Sopenharmony_ci
904e41f4b71Sopenharmony_ci**返回值:**
905e41f4b71Sopenharmony_ci
906e41f4b71Sopenharmony_ci| 类型      | 说明                                  |
907e41f4b71Sopenharmony_ci| ------- | ----------------------------------- |
908e41f4b71Sopenharmony_ci| boolean | true表示指定的日期是周末,false表示指定的日期不是周末。 |
909e41f4b71Sopenharmony_ci
910e41f4b71Sopenharmony_ci**示例:**
911e41f4b71Sopenharmony_ci  ```ts
912e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
913e41f4b71Sopenharmony_ci  calendar.set(2021, 11, 11, 8, 0, 0); // set time to 2021.12.11 08:00:00
914e41f4b71Sopenharmony_ci  calendar.isWeekend(); // true
915e41f4b71Sopenharmony_ci  let date: Date = new Date(2011, 11, 6, 9, 0, 0);
916e41f4b71Sopenharmony_ci  calendar.isWeekend(date); // false
917e41f4b71Sopenharmony_ci  ```
918e41f4b71Sopenharmony_ci
919e41f4b71Sopenharmony_ci
920e41f4b71Sopenharmony_ci### add<sup>11+</sup>
921e41f4b71Sopenharmony_ci
922e41f4b71Sopenharmony_ciadd(field: string, amount: number): void
923e41f4b71Sopenharmony_ci
924e41f4b71Sopenharmony_ci将日历中的某些字段进行加减操作。
925e41f4b71Sopenharmony_ci
926e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
927e41f4b71Sopenharmony_ci
928e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
929e41f4b71Sopenharmony_ci
930e41f4b71Sopenharmony_ci**参数:**
931e41f4b71Sopenharmony_ci
932e41f4b71Sopenharmony_ci| 参数名  | 类型   | 必填   | 说明                                       |
933e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---------------------------------------- |
934e41f4b71Sopenharmony_ci| field | string | 是    | 指定日历字段,目前支持的field值有&nbsp;year,&nbsp;month,&nbsp;week_of_year,&nbsp;week_of_month,&nbsp;date,&nbsp;day_of_year,&nbsp;day_of_week,&nbsp;day_of_week_in_month,&nbsp;hour,&nbsp;hour_of_day,&nbsp;minute,&nbsp;second,&nbsp;millisecond。<br>各取值代表的含义请参考[get](#get8)。 |
935e41f4b71Sopenharmony_ci| amount | number | 是    | 进行加减操作的具体数值。 |
936e41f4b71Sopenharmony_ci
937e41f4b71Sopenharmony_ci**错误码:**
938e41f4b71Sopenharmony_ci
939e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
940e41f4b71Sopenharmony_ci
941e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
942e41f4b71Sopenharmony_ci| ------ | ---------------------- |
943e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
944e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
945e41f4b71Sopenharmony_ci
946e41f4b71Sopenharmony_ci**示例:**
947e41f4b71Sopenharmony_ci  ```ts
948e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
949e41f4b71Sopenharmony_ci
950e41f4b71Sopenharmony_ci  try {
951e41f4b71Sopenharmony_ci    let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
952e41f4b71Sopenharmony_ci    calendar.set(2021, 11, 11, 8, 0, 0); // set time to 2021.12.11 08:00:00
953e41f4b71Sopenharmony_ci    calendar.add("year", 8); // 2021 + 8
954e41f4b71Sopenharmony_ci    let year: number = calendar.get("year"); // year = 2029
955e41f4b71Sopenharmony_ci  } catch(error) {
956e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
957e41f4b71Sopenharmony_ci    console.error(`call Calendar.add failed, error code: ${err.code}, message: ${err.message}.`);
958e41f4b71Sopenharmony_ci  }
959e41f4b71Sopenharmony_ci  ```
960e41f4b71Sopenharmony_ci
961e41f4b71Sopenharmony_ci
962e41f4b71Sopenharmony_ci### getTimeInMillis<sup>11+</sup>
963e41f4b71Sopenharmony_ci
964e41f4b71Sopenharmony_cigetTimeInMillis(): number
965e41f4b71Sopenharmony_ci
966e41f4b71Sopenharmony_ci获取当前日历的UTC毫秒数。
967e41f4b71Sopenharmony_ci
968e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
969e41f4b71Sopenharmony_ci
970e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
971e41f4b71Sopenharmony_ci
972e41f4b71Sopenharmony_ci**返回值:**
973e41f4b71Sopenharmony_ci
974e41f4b71Sopenharmony_ci| 类型      | 说明                                  |
975e41f4b71Sopenharmony_ci| ------- | ----------------------------------- |
976e41f4b71Sopenharmony_ci| number | 当前日历的UTC毫秒数。 |
977e41f4b71Sopenharmony_ci
978e41f4b71Sopenharmony_ci**示例:**
979e41f4b71Sopenharmony_ci  ```ts
980e41f4b71Sopenharmony_ci  let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
981e41f4b71Sopenharmony_ci  calendar.setTime(5000);
982e41f4b71Sopenharmony_ci  let millisecond: number = calendar.getTimeInMillis(); // millisecond = 5000
983e41f4b71Sopenharmony_ci  ```
984e41f4b71Sopenharmony_ci
985e41f4b71Sopenharmony_ci
986e41f4b71Sopenharmony_ci### compareDays<sup>11+</sup>
987e41f4b71Sopenharmony_ci
988e41f4b71Sopenharmony_cicompareDays(date: Date): number
989e41f4b71Sopenharmony_ci
990e41f4b71Sopenharmony_ci比较日历和指定日期相差的天数。
991e41f4b71Sopenharmony_ci
992e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
993e41f4b71Sopenharmony_ci
994e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
995e41f4b71Sopenharmony_ci
996e41f4b71Sopenharmony_ci**参数:**
997e41f4b71Sopenharmony_ci
998e41f4b71Sopenharmony_ci| 参数名  | 类型   | 必填   | 说明                                       |
999e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---------------------------------------- |
1000e41f4b71Sopenharmony_ci| date | Date | 是    | 指定日期。 |
1001e41f4b71Sopenharmony_ci
1002e41f4b71Sopenharmony_ci**返回值:**
1003e41f4b71Sopenharmony_ci
1004e41f4b71Sopenharmony_ci| 类型      | 说明                                  |
1005e41f4b71Sopenharmony_ci| ------- | ----------------------------------- |
1006e41f4b71Sopenharmony_ci| number | 相差的天数,正数代表日历时间更早,负数代表指定时间更早。<br>按毫秒级的精度,不足一天将按一天进行计算。 |
1007e41f4b71Sopenharmony_ci
1008e41f4b71Sopenharmony_ci**错误码:**
1009e41f4b71Sopenharmony_ci
1010e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)。
1011e41f4b71Sopenharmony_ci
1012e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
1013e41f4b71Sopenharmony_ci| ------ | ---------------------- |
1014e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
1015e41f4b71Sopenharmony_ci
1016e41f4b71Sopenharmony_ci**示例:**
1017e41f4b71Sopenharmony_ci  ```ts
1018e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
1019e41f4b71Sopenharmony_ci
1020e41f4b71Sopenharmony_ci  try {
1021e41f4b71Sopenharmony_ci    let calendar: i18n.Calendar = i18n.getCalendar("zh-Hans");
1022e41f4b71Sopenharmony_ci    calendar.setTime(5000);
1023e41f4b71Sopenharmony_ci    let date: Date = new Date(6000);
1024e41f4b71Sopenharmony_ci    let diff: number = calendar.compareDays(date); // diff = 1
1025e41f4b71Sopenharmony_ci  } catch(error) {
1026e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
1027e41f4b71Sopenharmony_ci    console.error(`call Calendar.compareDays failed, error code: ${err.code}, message: ${err.message}.`);
1028e41f4b71Sopenharmony_ci  }
1029e41f4b71Sopenharmony_ci  ```
1030e41f4b71Sopenharmony_ci
1031e41f4b71Sopenharmony_ci## PhoneNumberFormat<sup>8+</sup>
1032e41f4b71Sopenharmony_ci
1033e41f4b71Sopenharmony_ci
1034e41f4b71Sopenharmony_ci### constructor<sup>8+</sup>
1035e41f4b71Sopenharmony_ci
1036e41f4b71Sopenharmony_ciconstructor(country: string, options?: PhoneNumberFormatOptions)
1037e41f4b71Sopenharmony_ci
1038e41f4b71Sopenharmony_ci创建电话号码格式化对象。
1039e41f4b71Sopenharmony_ci
1040e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1041e41f4b71Sopenharmony_ci
1042e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1043e41f4b71Sopenharmony_ci
1044e41f4b71Sopenharmony_ci**参数:**
1045e41f4b71Sopenharmony_ci
1046e41f4b71Sopenharmony_ci| 参数名     | 类型                                       | 必填   | 说明               |
1047e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- | ---- | ---------------- |
1048e41f4b71Sopenharmony_ci| country | string                                   | 是    | 表示电话号码所属国家或地区代码。 |
1049e41f4b71Sopenharmony_ci| options | [PhoneNumberFormatOptions](#phonenumberformatoptions8) | 否    | 电话号码格式化时设置的配置项。默认值:NATIONAL。  |
1050e41f4b71Sopenharmony_ci
1051e41f4b71Sopenharmony_ci**示例:**
1052e41f4b71Sopenharmony_ci  ```ts
1053e41f4b71Sopenharmony_ci  let option: i18n.PhoneNumberFormatOptions = {type: "E164"};
1054e41f4b71Sopenharmony_ci  let phoneNumberFormat: i18n.PhoneNumberFormat = new i18n.PhoneNumberFormat("CN", option);
1055e41f4b71Sopenharmony_ci  ```
1056e41f4b71Sopenharmony_ci
1057e41f4b71Sopenharmony_ci### isValidNumber<sup>8+</sup>
1058e41f4b71Sopenharmony_ci
1059e41f4b71Sopenharmony_ciisValidNumber(number: string): boolean
1060e41f4b71Sopenharmony_ci
1061e41f4b71Sopenharmony_ci判断传入的电话号码格式是否正确。
1062e41f4b71Sopenharmony_ci
1063e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1064e41f4b71Sopenharmony_ci
1065e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1066e41f4b71Sopenharmony_ci
1067e41f4b71Sopenharmony_ci**参数:**
1068e41f4b71Sopenharmony_ci
1069e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明        |
1070e41f4b71Sopenharmony_ci| ------ | ------ | ---- | --------- |
1071e41f4b71Sopenharmony_ci| number | string | 是    | 待判断的电话号码。 |
1072e41f4b71Sopenharmony_ci
1073e41f4b71Sopenharmony_ci**返回值:**
1074e41f4b71Sopenharmony_ci
1075e41f4b71Sopenharmony_ci| 类型      | 说明                                    |
1076e41f4b71Sopenharmony_ci| ------- | ------------------------------------- |
1077e41f4b71Sopenharmony_ci| boolean | 返回true表示电话号码的格式正确,返回false表示电话号码的格式错误。 |
1078e41f4b71Sopenharmony_ci
1079e41f4b71Sopenharmony_ci**示例:**
1080e41f4b71Sopenharmony_ci  ```ts
1081e41f4b71Sopenharmony_ci  let phonenumberfmt: i18n.PhoneNumberFormat = new i18n.PhoneNumberFormat("CN");
1082e41f4b71Sopenharmony_ci  let isValidNumber: boolean = phonenumberfmt.isValidNumber("158****2312"); // isValidNumber = true
1083e41f4b71Sopenharmony_ci  ```
1084e41f4b71Sopenharmony_ci
1085e41f4b71Sopenharmony_ci
1086e41f4b71Sopenharmony_ci### format<sup>8+</sup>
1087e41f4b71Sopenharmony_ci
1088e41f4b71Sopenharmony_ciformat(number: string): string
1089e41f4b71Sopenharmony_ci
1090e41f4b71Sopenharmony_ci对电话号码进行格式化。
1091e41f4b71Sopenharmony_ci
1092e41f4b71Sopenharmony_ci> **说明**
1093e41f4b71Sopenharmony_ci> 从API version 12开始,支持对拨号中的号码进行格式化。
1094e41f4b71Sopenharmony_ci
1095e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1096e41f4b71Sopenharmony_ci
1097e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1098e41f4b71Sopenharmony_ci
1099e41f4b71Sopenharmony_ci**参数:**
1100e41f4b71Sopenharmony_ci
1101e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明         |
1102e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------- |
1103e41f4b71Sopenharmony_ci| number | string | 是    | 待格式化的电话号码。 |
1104e41f4b71Sopenharmony_ci
1105e41f4b71Sopenharmony_ci**返回值:**
1106e41f4b71Sopenharmony_ci
1107e41f4b71Sopenharmony_ci| 类型     | 说明         |
1108e41f4b71Sopenharmony_ci| ------ | ---------- |
1109e41f4b71Sopenharmony_ci| string | 格式化后的电话号码。 |
1110e41f4b71Sopenharmony_ci
1111e41f4b71Sopenharmony_ci**示例:**
1112e41f4b71Sopenharmony_ci  ```ts
1113e41f4b71Sopenharmony_ci  let phonenumberfmt: i18n.PhoneNumberFormat = new i18n.PhoneNumberFormat("CN");
1114e41f4b71Sopenharmony_ci  let formattedPhoneNumber: string = phonenumberfmt.format("158****2312"); // formattedPhoneNumber = "158 **** 2312"
1115e41f4b71Sopenharmony_ci
1116e41f4b71Sopenharmony_ci  // 拨号中的号码格式化
1117e41f4b71Sopenharmony_ci  let option: i18n.PhoneNumberFormatOptions = {type: "TYPING"};
1118e41f4b71Sopenharmony_ci  let phoneNumberFmt: i18n.PhoneNumberFormat = new i18n.PhoneNumberFormat("CN", option);
1119e41f4b71Sopenharmony_ci  let phoneNumber : string = "130493";
1120e41f4b71Sopenharmony_ci  let formatResult : string = "";
1121e41f4b71Sopenharmony_ci  for (let i = 0; i < phoneNumber.length; i++) {
1122e41f4b71Sopenharmony_ci    formatResult += phoneNumber.charAt(i);
1123e41f4b71Sopenharmony_ci    formatResult = phoneNumberFmt.format(formatResult);
1124e41f4b71Sopenharmony_ci  }
1125e41f4b71Sopenharmony_ci  console.log(formatResult); // formatResult: 130 493
1126e41f4b71Sopenharmony_ci  ```
1127e41f4b71Sopenharmony_ci
1128e41f4b71Sopenharmony_ci
1129e41f4b71Sopenharmony_ci### getLocationName<sup>9+</sup>
1130e41f4b71Sopenharmony_ci
1131e41f4b71Sopenharmony_cigetLocationName(number: string, locale: string): string
1132e41f4b71Sopenharmony_ci
1133e41f4b71Sopenharmony_ci判断电话号码归属地。
1134e41f4b71Sopenharmony_ci
1135e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1136e41f4b71Sopenharmony_ci
1137e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1138e41f4b71Sopenharmony_ci
1139e41f4b71Sopenharmony_ci**参数:**
1140e41f4b71Sopenharmony_ci
1141e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明   |
1142e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---- |
1143e41f4b71Sopenharmony_ci| number | string | 是    | 电话号码。获取其他地区号码的归属地时,需要在号码前加00+国际区号。 |
1144e41f4b71Sopenharmony_ci| locale | string | 是    | 合法的区域ID。 |
1145e41f4b71Sopenharmony_ci
1146e41f4b71Sopenharmony_ci**返回值:**
1147e41f4b71Sopenharmony_ci
1148e41f4b71Sopenharmony_ci| 类型     | 说明       |
1149e41f4b71Sopenharmony_ci| ------ | -------- |
1150e41f4b71Sopenharmony_ci| string | 电话号码归属地。 |
1151e41f4b71Sopenharmony_ci
1152e41f4b71Sopenharmony_ci**示例:**
1153e41f4b71Sopenharmony_ci  ```ts
1154e41f4b71Sopenharmony_ci  let phonenumberfmt: i18n.PhoneNumberFormat = new i18n.PhoneNumberFormat("CN");
1155e41f4b71Sopenharmony_ci  let locationName: string = phonenumberfmt.getLocationName("158****2345", "zh-CN"); // locationName = "广东省湛江市"
1156e41f4b71Sopenharmony_ci  let locName: string = phonenumberfmt.getLocationName("0039312****789", "zh-CN"); // locName = "意大利"
1157e41f4b71Sopenharmony_ci  ```
1158e41f4b71Sopenharmony_ci
1159e41f4b71Sopenharmony_ci
1160e41f4b71Sopenharmony_ci## PhoneNumberFormatOptions<sup>8+</sup>
1161e41f4b71Sopenharmony_ci
1162e41f4b71Sopenharmony_ci电话号码格式化时可设置的配置项。
1163e41f4b71Sopenharmony_ci
1164e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1165e41f4b71Sopenharmony_ci
1166e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1167e41f4b71Sopenharmony_ci
1168e41f4b71Sopenharmony_ci| 名称   | 类型     | 可读   | 可写   | 说明                                       |
1169e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ---- | ---------------------------------------- |
1170e41f4b71Sopenharmony_ci| type | string | 是    | 是    | 表示对电话号码格式化的类型,取值包括:"E164",&nbsp;"INTERNATIONAL",&nbsp;"NATIONAL",&nbsp;"RFC3966",&nbsp;"TYPING"。<br>-在API version 8版本,type为必填项。 <br>-API version 9版本开始,type为选填项。<br>-API version 12版本开始支持TYPING,表示对拨号中的号码格式化。|
1171e41f4b71Sopenharmony_ci
1172e41f4b71Sopenharmony_ci
1173e41f4b71Sopenharmony_ci## UnitInfo<sup>8+</sup>
1174e41f4b71Sopenharmony_ci
1175e41f4b71Sopenharmony_ci度量衡单位信息。
1176e41f4b71Sopenharmony_ci
1177e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1178e41f4b71Sopenharmony_ci
1179e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1180e41f4b71Sopenharmony_ci
1181e41f4b71Sopenharmony_ci| 名称            | 类型     | 可读   | 可写   | 说明                                       |
1182e41f4b71Sopenharmony_ci| ------------- | ------ | ---- | ---- | ---------------------------------------- |
1183e41f4b71Sopenharmony_ci| unit          | string | 是    | 是    | 单位的名称,如:"meter",&nbsp;"inch",&nbsp;"cup"等。 |
1184e41f4b71Sopenharmony_ci| measureSystem | string | 是    | 是    | 单位的度量体系,取值包括:"SI",&nbsp;"US",&nbsp;"UK"。 |
1185e41f4b71Sopenharmony_ci
1186e41f4b71Sopenharmony_ci
1187e41f4b71Sopenharmony_ci## getInstance<sup>8+</sup>
1188e41f4b71Sopenharmony_ci
1189e41f4b71Sopenharmony_cigetInstance(locale?:string): IndexUtil
1190e41f4b71Sopenharmony_ci
1191e41f4b71Sopenharmony_ci创建并返回IndexUtil对象。
1192e41f4b71Sopenharmony_ci
1193e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1194e41f4b71Sopenharmony_ci
1195e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1196e41f4b71Sopenharmony_ci
1197e41f4b71Sopenharmony_ci**参数:**
1198e41f4b71Sopenharmony_ci
1199e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                           |
1200e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------------------------- |
1201e41f4b71Sopenharmony_ci| locale | string | 否    | 表示区域信息的字符串,由语言、脚本、国家或地区组成。<br>默认值:系统Locale。 |
1202e41f4b71Sopenharmony_ci
1203e41f4b71Sopenharmony_ci**返回值:**
1204e41f4b71Sopenharmony_ci
1205e41f4b71Sopenharmony_ci| 类型                       | 说明                    |
1206e41f4b71Sopenharmony_ci| ------------------------ | --------------------- |
1207e41f4b71Sopenharmony_ci| [IndexUtil](#indexutil8) | locale对应的IndexUtil对象。 |
1208e41f4b71Sopenharmony_ci
1209e41f4b71Sopenharmony_ci**示例:**
1210e41f4b71Sopenharmony_ci  ```ts
1211e41f4b71Sopenharmony_ci  let indexUtil: i18n.IndexUtil = i18n.getInstance("zh-CN");
1212e41f4b71Sopenharmony_ci  ```
1213e41f4b71Sopenharmony_ci
1214e41f4b71Sopenharmony_ci
1215e41f4b71Sopenharmony_ci## IndexUtil<sup>8+</sup>
1216e41f4b71Sopenharmony_ci
1217e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1218e41f4b71Sopenharmony_ci
1219e41f4b71Sopenharmony_ci### getIndexList<sup>8+</sup>
1220e41f4b71Sopenharmony_ci
1221e41f4b71Sopenharmony_cigetIndexList(): Array&lt;string&gt;
1222e41f4b71Sopenharmony_ci
1223e41f4b71Sopenharmony_ci获取当前区域的索引列表。
1224e41f4b71Sopenharmony_ci
1225e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1226e41f4b71Sopenharmony_ci
1227e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1228e41f4b71Sopenharmony_ci
1229e41f4b71Sopenharmony_ci**返回值:**
1230e41f4b71Sopenharmony_ci
1231e41f4b71Sopenharmony_ci| 类型                  | 说明                 |
1232e41f4b71Sopenharmony_ci| ------------------- | ------------------ |
1233e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 返回当前区域的索引列表。 |
1234e41f4b71Sopenharmony_ci
1235e41f4b71Sopenharmony_ci**示例:**
1236e41f4b71Sopenharmony_ci  ```ts
1237e41f4b71Sopenharmony_ci  let indexUtil: i18n.IndexUtil = i18n.getInstance("zh-CN");
1238e41f4b71Sopenharmony_ci  // indexList = [ "...", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N",
1239e41f4b71Sopenharmony_ci  //              "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "..." ]
1240e41f4b71Sopenharmony_ci  let indexList: Array<string> = indexUtil.getIndexList();
1241e41f4b71Sopenharmony_ci  ```
1242e41f4b71Sopenharmony_ci
1243e41f4b71Sopenharmony_ci
1244e41f4b71Sopenharmony_ci### addLocale<sup>8+</sup>
1245e41f4b71Sopenharmony_ci
1246e41f4b71Sopenharmony_ciaddLocale(locale: string): void
1247e41f4b71Sopenharmony_ci
1248e41f4b71Sopenharmony_ci在当前区域的索引列表中,添加新区域的索引列表,形成复合列表。
1249e41f4b71Sopenharmony_ci
1250e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1251e41f4b71Sopenharmony_ci
1252e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1253e41f4b71Sopenharmony_ci
1254e41f4b71Sopenharmony_ci**参数:**
1255e41f4b71Sopenharmony_ci
1256e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                           |
1257e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------------------------- |
1258e41f4b71Sopenharmony_ci| locale | string | 是    | 表示区域信息的字符串,由语言、脚本、国家或地区组成。 |
1259e41f4b71Sopenharmony_ci
1260e41f4b71Sopenharmony_ci**示例:**
1261e41f4b71Sopenharmony_ci  ```ts
1262e41f4b71Sopenharmony_ci  let indexUtil: i18n.IndexUtil = i18n.getInstance("zh-CN");
1263e41f4b71Sopenharmony_ci  indexUtil.addLocale("en-US");
1264e41f4b71Sopenharmony_ci  ```
1265e41f4b71Sopenharmony_ci
1266e41f4b71Sopenharmony_ci### getIndex<sup>8+</sup>
1267e41f4b71Sopenharmony_ci
1268e41f4b71Sopenharmony_cigetIndex(text: string): string
1269e41f4b71Sopenharmony_ci
1270e41f4b71Sopenharmony_ci获取text对应的索引。
1271e41f4b71Sopenharmony_ci
1272e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1273e41f4b71Sopenharmony_ci
1274e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1275e41f4b71Sopenharmony_ci
1276e41f4b71Sopenharmony_ci**参数:**
1277e41f4b71Sopenharmony_ci
1278e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明           |
1279e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ------------ |
1280e41f4b71Sopenharmony_ci| text | string | 是    | 待计算索引值的输入文本。 |
1281e41f4b71Sopenharmony_ci
1282e41f4b71Sopenharmony_ci**返回值:**
1283e41f4b71Sopenharmony_ci
1284e41f4b71Sopenharmony_ci| 类型     | 说明          |
1285e41f4b71Sopenharmony_ci| ------ | ----------- |
1286e41f4b71Sopenharmony_ci| string | 输入文本对应的索引值。 |
1287e41f4b71Sopenharmony_ci
1288e41f4b71Sopenharmony_ci**示例:**
1289e41f4b71Sopenharmony_ci  ```ts
1290e41f4b71Sopenharmony_ci  let indexUtil: i18n.IndexUtil = i18n.getInstance("zh-CN");
1291e41f4b71Sopenharmony_ci  let index: string = indexUtil.getIndex("hi");  // index = "H"
1292e41f4b71Sopenharmony_ci  ```
1293e41f4b71Sopenharmony_ci
1294e41f4b71Sopenharmony_ci
1295e41f4b71Sopenharmony_ci## i18n.getLineInstance<sup>8+</sup>
1296e41f4b71Sopenharmony_ci
1297e41f4b71Sopenharmony_cigetLineInstance(locale: string): BreakIterator
1298e41f4b71Sopenharmony_ci
1299e41f4b71Sopenharmony_ci获取一个用于断句的[BreakIterator](#breakiterator8)对象。
1300e41f4b71Sopenharmony_ci
1301e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1302e41f4b71Sopenharmony_ci
1303e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1304e41f4b71Sopenharmony_ci
1305e41f4b71Sopenharmony_ci**参数:**
1306e41f4b71Sopenharmony_ci
1307e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                                       |
1308e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------------------------------------- |
1309e41f4b71Sopenharmony_ci| locale | string | 是    | 表示区域信息的字符串,由语言、脚本、国家或地区组成。<br>生成的[BreakIterator](#breakiterator8)将按照locale所指定的区域规则进行断句。 |
1310e41f4b71Sopenharmony_ci
1311e41f4b71Sopenharmony_ci**返回值:**
1312e41f4b71Sopenharmony_ci
1313e41f4b71Sopenharmony_ci| 类型                               | 说明          |
1314e41f4b71Sopenharmony_ci| -------------------------------- | ----------- |
1315e41f4b71Sopenharmony_ci| [BreakIterator](#breakiterator8) | 断句处理器。 |
1316e41f4b71Sopenharmony_ci
1317e41f4b71Sopenharmony_ci**示例:**
1318e41f4b71Sopenharmony_ci  ```ts
1319e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1320e41f4b71Sopenharmony_ci  ```
1321e41f4b71Sopenharmony_ci
1322e41f4b71Sopenharmony_ci
1323e41f4b71Sopenharmony_ci## BreakIterator<sup>8+</sup>
1324e41f4b71Sopenharmony_ci
1325e41f4b71Sopenharmony_ci
1326e41f4b71Sopenharmony_ci### setLineBreakText<sup>8+</sup>
1327e41f4b71Sopenharmony_ci
1328e41f4b71Sopenharmony_cisetLineBreakText(text: string): void
1329e41f4b71Sopenharmony_ci
1330e41f4b71Sopenharmony_ci设置BreakIterator要处理的文本。
1331e41f4b71Sopenharmony_ci
1332e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1333e41f4b71Sopenharmony_ci
1334e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1335e41f4b71Sopenharmony_ci
1336e41f4b71Sopenharmony_ci**参数:**
1337e41f4b71Sopenharmony_ci
1338e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明                      |
1339e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----------------------- |
1340e41f4b71Sopenharmony_ci| text | string | 是    | 指定BreakIterator进行断句的文本。 |
1341e41f4b71Sopenharmony_ci
1342e41f4b71Sopenharmony_ci**示例:**
1343e41f4b71Sopenharmony_ci  ```ts
1344e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1345e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit."); // 设置短句文本
1346e41f4b71Sopenharmony_ci  ```
1347e41f4b71Sopenharmony_ci
1348e41f4b71Sopenharmony_ci
1349e41f4b71Sopenharmony_ci### getLineBreakText<sup>8+</sup>
1350e41f4b71Sopenharmony_ci
1351e41f4b71Sopenharmony_cigetLineBreakText(): string
1352e41f4b71Sopenharmony_ci
1353e41f4b71Sopenharmony_ci获取BreakIterator当前处理的文本。
1354e41f4b71Sopenharmony_ci
1355e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1356e41f4b71Sopenharmony_ci
1357e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1358e41f4b71Sopenharmony_ci
1359e41f4b71Sopenharmony_ci**返回值:**
1360e41f4b71Sopenharmony_ci
1361e41f4b71Sopenharmony_ci| 类型     | 说明                     |
1362e41f4b71Sopenharmony_ci| ------ | ---------------------- |
1363e41f4b71Sopenharmony_ci| string | BreakIterator对象正在处理的文本。 |
1364e41f4b71Sopenharmony_ci
1365e41f4b71Sopenharmony_ci**示例:**
1366e41f4b71Sopenharmony_ci  ```ts
1367e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1368e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1369e41f4b71Sopenharmony_ci  let breakText: string = iterator.getLineBreakText(); // breakText = "Apple is my favorite fruit."
1370e41f4b71Sopenharmony_ci  ```
1371e41f4b71Sopenharmony_ci
1372e41f4b71Sopenharmony_ci
1373e41f4b71Sopenharmony_ci### current<sup>8+</sup>
1374e41f4b71Sopenharmony_ci
1375e41f4b71Sopenharmony_cicurrent(): number
1376e41f4b71Sopenharmony_ci
1377e41f4b71Sopenharmony_ci获取BreakIterator对象在处理文本中的位置。
1378e41f4b71Sopenharmony_ci
1379e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1380e41f4b71Sopenharmony_ci
1381e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1382e41f4b71Sopenharmony_ci
1383e41f4b71Sopenharmony_ci**返回值:**
1384e41f4b71Sopenharmony_ci
1385e41f4b71Sopenharmony_ci| 类型     | 说明                          |
1386e41f4b71Sopenharmony_ci| ------ | --------------------------- |
1387e41f4b71Sopenharmony_ci| number | BreakIterator在当前所处理的文本中的位置。 |
1388e41f4b71Sopenharmony_ci
1389e41f4b71Sopenharmony_ci**示例:**
1390e41f4b71Sopenharmony_ci  ```ts
1391e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1392e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1393e41f4b71Sopenharmony_ci  let currentPos: number = iterator.current(); // currentPos = 0
1394e41f4b71Sopenharmony_ci  ```
1395e41f4b71Sopenharmony_ci
1396e41f4b71Sopenharmony_ci
1397e41f4b71Sopenharmony_ci### first<sup>8+</sup>
1398e41f4b71Sopenharmony_ci
1399e41f4b71Sopenharmony_cifirst(): number
1400e41f4b71Sopenharmony_ci
1401e41f4b71Sopenharmony_ci将BreakIterator移动到第一个可断句的分割点。第一个分割点总是在被处理文本的起始位置。
1402e41f4b71Sopenharmony_ci
1403e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1404e41f4b71Sopenharmony_ci
1405e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1406e41f4b71Sopenharmony_ci
1407e41f4b71Sopenharmony_ci**返回值:**
1408e41f4b71Sopenharmony_ci
1409e41f4b71Sopenharmony_ci| 类型     | 说明                |
1410e41f4b71Sopenharmony_ci| ------ | ----------------- |
1411e41f4b71Sopenharmony_ci| number | 被处理文本的第一个分割点的偏移量。 |
1412e41f4b71Sopenharmony_ci
1413e41f4b71Sopenharmony_ci**示例:**
1414e41f4b71Sopenharmony_ci  ```ts
1415e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1416e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1417e41f4b71Sopenharmony_ci  let firstPos: number = iterator.first(); // firstPos = 0
1418e41f4b71Sopenharmony_ci  ```
1419e41f4b71Sopenharmony_ci
1420e41f4b71Sopenharmony_ci
1421e41f4b71Sopenharmony_ci### last<sup>8+</sup>
1422e41f4b71Sopenharmony_ci
1423e41f4b71Sopenharmony_cilast(): number
1424e41f4b71Sopenharmony_ci
1425e41f4b71Sopenharmony_ci将BreakIterator移动到最后一个可断句的分割点。最后一个分割点总是在被处理文本末尾的下一个位置。
1426e41f4b71Sopenharmony_ci
1427e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1428e41f4b71Sopenharmony_ci
1429e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1430e41f4b71Sopenharmony_ci
1431e41f4b71Sopenharmony_ci**返回值:**
1432e41f4b71Sopenharmony_ci
1433e41f4b71Sopenharmony_ci| 类型     | 说明                 |
1434e41f4b71Sopenharmony_ci| ------ | ------------------ |
1435e41f4b71Sopenharmony_ci| number | 被处理文本的最后一个分割点的偏移量。 |
1436e41f4b71Sopenharmony_ci
1437e41f4b71Sopenharmony_ci**示例:**
1438e41f4b71Sopenharmony_ci  ```ts
1439e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1440e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1441e41f4b71Sopenharmony_ci  let lastPos: number = iterator.last(); // lastPos = 27
1442e41f4b71Sopenharmony_ci  ```
1443e41f4b71Sopenharmony_ci
1444e41f4b71Sopenharmony_ci
1445e41f4b71Sopenharmony_ci### next<sup>8+</sup>
1446e41f4b71Sopenharmony_ci
1447e41f4b71Sopenharmony_cinext(index?: number): number
1448e41f4b71Sopenharmony_ci
1449e41f4b71Sopenharmony_ci将BreakIterator向后移动相应个分割点。
1450e41f4b71Sopenharmony_ci
1451e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1452e41f4b71Sopenharmony_ci
1453e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1454e41f4b71Sopenharmony_ci
1455e41f4b71Sopenharmony_ci**参数:**
1456e41f4b71Sopenharmony_ci
1457e41f4b71Sopenharmony_ci| 参数名   | 类型     | 必填   | 说明                                       |
1458e41f4b71Sopenharmony_ci| ----- | ------ | ---- | ---------------------------------------- |
1459e41f4b71Sopenharmony_ci| index | number | 否    | BreakIterator将要移动的分割点数。<br>正数代表向后移动,即将BreakIterator向后移动number个可断句的分割点;负数代表向前移动,即向前移动相应个分割点。<br>默认值:1。 |
1460e41f4b71Sopenharmony_ci
1461e41f4b71Sopenharmony_ci**返回值:**
1462e41f4b71Sopenharmony_ci
1463e41f4b71Sopenharmony_ci| 类型     | 说明                                       |
1464e41f4b71Sopenharmony_ci| ------ | ---------------------------------------- |
1465e41f4b71Sopenharmony_ci| number | 移动了index个分割点后,当前BreakIterator在文本中的位置。<br>若移动index个分割点后超出了所处理的文本的长度范围,返回-1。 |
1466e41f4b71Sopenharmony_ci
1467e41f4b71Sopenharmony_ci**示例:**
1468e41f4b71Sopenharmony_ci  ```ts
1469e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1470e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1471e41f4b71Sopenharmony_ci  let pos: number = iterator.first(); // pos = 0
1472e41f4b71Sopenharmony_ci  pos = iterator.next(); // pos = 6
1473e41f4b71Sopenharmony_ci  pos = iterator.next(10); // pos = -1
1474e41f4b71Sopenharmony_ci  ```
1475e41f4b71Sopenharmony_ci
1476e41f4b71Sopenharmony_ci
1477e41f4b71Sopenharmony_ci### previous<sup>8+</sup>
1478e41f4b71Sopenharmony_ci
1479e41f4b71Sopenharmony_ciprevious(): number
1480e41f4b71Sopenharmony_ci
1481e41f4b71Sopenharmony_ci将BreakIterator向前移动一个分割点。
1482e41f4b71Sopenharmony_ci
1483e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1484e41f4b71Sopenharmony_ci
1485e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1486e41f4b71Sopenharmony_ci
1487e41f4b71Sopenharmony_ci**返回值:**
1488e41f4b71Sopenharmony_ci
1489e41f4b71Sopenharmony_ci| 类型     | 说明                                       |
1490e41f4b71Sopenharmony_ci| ------ | ---------------------------------------- |
1491e41f4b71Sopenharmony_ci| number | 移动到前一个分割点后,当前BreakIterator在文本中的位置。<br>若移动index个分割点后超出了所处理的文本的长度范围,返回-1。 |
1492e41f4b71Sopenharmony_ci
1493e41f4b71Sopenharmony_ci**示例:**
1494e41f4b71Sopenharmony_ci  ```ts
1495e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1496e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1497e41f4b71Sopenharmony_ci  let pos: number = iterator.first(); // pos = 0
1498e41f4b71Sopenharmony_ci  pos = iterator.next(3); // pos = 12
1499e41f4b71Sopenharmony_ci  pos = iterator.previous(); // pos = 9
1500e41f4b71Sopenharmony_ci  ```
1501e41f4b71Sopenharmony_ci
1502e41f4b71Sopenharmony_ci
1503e41f4b71Sopenharmony_ci### following<sup>8+</sup>
1504e41f4b71Sopenharmony_ci
1505e41f4b71Sopenharmony_cifollowing(offset: number): number
1506e41f4b71Sopenharmony_ci
1507e41f4b71Sopenharmony_ci将BreakIterator移动到指定位置后面一个分割点。
1508e41f4b71Sopenharmony_ci
1509e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1510e41f4b71Sopenharmony_ci
1511e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1512e41f4b71Sopenharmony_ci
1513e41f4b71Sopenharmony_ci**参数:**
1514e41f4b71Sopenharmony_ci
1515e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                                       |
1516e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ---------------------------------------- |
1517e41f4b71Sopenharmony_ci| offset | number | 是    | 将BreakIterator移动到指定位置的后面一个分割点。 |
1518e41f4b71Sopenharmony_ci
1519e41f4b71Sopenharmony_ci**返回值:**
1520e41f4b71Sopenharmony_ci
1521e41f4b71Sopenharmony_ci| 类型     | 说明                                       |
1522e41f4b71Sopenharmony_ci| ------ | ---------------------------------------- |
1523e41f4b71Sopenharmony_ci| number | BreakIterator移动后的位置。若offset所指定位置的下一个分割点超出了文本的范围,则返回-1。 |
1524e41f4b71Sopenharmony_ci
1525e41f4b71Sopenharmony_ci**示例:**
1526e41f4b71Sopenharmony_ci  ```ts
1527e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1528e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1529e41f4b71Sopenharmony_ci  let pos: number = iterator.following(0); // pos = 6
1530e41f4b71Sopenharmony_ci  pos = iterator.following(100); // pos = -1
1531e41f4b71Sopenharmony_ci  pos = iterator.current(); // pos = 27
1532e41f4b71Sopenharmony_ci  ```
1533e41f4b71Sopenharmony_ci
1534e41f4b71Sopenharmony_ci
1535e41f4b71Sopenharmony_ci### isBoundary<sup>8+</sup>
1536e41f4b71Sopenharmony_ci
1537e41f4b71Sopenharmony_ciisBoundary(offset: number): boolean
1538e41f4b71Sopenharmony_ci
1539e41f4b71Sopenharmony_ci判断指定位置是否为分割点。
1540e41f4b71Sopenharmony_ci
1541e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1542e41f4b71Sopenharmony_ci
1543e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1544e41f4b71Sopenharmony_ci
1545e41f4b71Sopenharmony_ci**参数:**
1546e41f4b71Sopenharmony_ci
1547e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明          |
1548e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ----------- |
1549e41f4b71Sopenharmony_ci| offset | number | 是    | 指定位置。 |
1550e41f4b71Sopenharmony_ci
1551e41f4b71Sopenharmony_ci**返回值:**
1552e41f4b71Sopenharmony_ci
1553e41f4b71Sopenharmony_ci| 类型      | 说明                              |
1554e41f4b71Sopenharmony_ci| ------- | ------------------------------- |
1555e41f4b71Sopenharmony_ci| boolean | 若offset指定的文本位置是一个分割点,则返回true,否则返回false。<br>返回true时,会将BreakIterator对象移动到offset指定的位置,否则相当于调用following。 |
1556e41f4b71Sopenharmony_ci
1557e41f4b71Sopenharmony_ci**示例:**
1558e41f4b71Sopenharmony_ci  ```ts
1559e41f4b71Sopenharmony_ci  let iterator: i18n.BreakIterator = i18n.getLineInstance("en");
1560e41f4b71Sopenharmony_ci  iterator.setLineBreakText("Apple is my favorite fruit.");
1561e41f4b71Sopenharmony_ci  let isBoundary: boolean = iterator.isBoundary(0); // isBoundary = true;
1562e41f4b71Sopenharmony_ci  isBoundary = iterator.isBoundary(5); // isBoundary = false;
1563e41f4b71Sopenharmony_ci  ```
1564e41f4b71Sopenharmony_ci
1565e41f4b71Sopenharmony_ci
1566e41f4b71Sopenharmony_ci## i18n.getTimeZone
1567e41f4b71Sopenharmony_ci
1568e41f4b71Sopenharmony_cigetTimeZone(zoneID?: string): TimeZone
1569e41f4b71Sopenharmony_ci
1570e41f4b71Sopenharmony_ci获取时区ID对应的时区对象。
1571e41f4b71Sopenharmony_ci
1572e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1573e41f4b71Sopenharmony_ci
1574e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1575e41f4b71Sopenharmony_ci
1576e41f4b71Sopenharmony_ci**参数:**
1577e41f4b71Sopenharmony_ci
1578e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明    |
1579e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ----- |
1580e41f4b71Sopenharmony_ci| zoneID | string | 否    | 时区ID。默认值:系统时区。 |
1581e41f4b71Sopenharmony_ci
1582e41f4b71Sopenharmony_ci**返回值:**
1583e41f4b71Sopenharmony_ci
1584e41f4b71Sopenharmony_ci| 类型       | 说明           |
1585e41f4b71Sopenharmony_ci| -------- | ------------ |
1586e41f4b71Sopenharmony_ci| [TimeZone](#timezone) | 时区ID对应的时区对象。 |
1587e41f4b71Sopenharmony_ci
1588e41f4b71Sopenharmony_ci**示例:**
1589e41f4b71Sopenharmony_ci  ```ts
1590e41f4b71Sopenharmony_ci  let timezone: i18n.TimeZone = i18n.getTimeZone();
1591e41f4b71Sopenharmony_ci  ```
1592e41f4b71Sopenharmony_ci
1593e41f4b71Sopenharmony_ci## TimeZone
1594e41f4b71Sopenharmony_ci
1595e41f4b71Sopenharmony_ci### getID
1596e41f4b71Sopenharmony_ci
1597e41f4b71Sopenharmony_cigetID(): string
1598e41f4b71Sopenharmony_ci
1599e41f4b71Sopenharmony_ci获取时区对象的ID。
1600e41f4b71Sopenharmony_ci
1601e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1602e41f4b71Sopenharmony_ci
1603e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1604e41f4b71Sopenharmony_ci
1605e41f4b71Sopenharmony_ci**返回值:**
1606e41f4b71Sopenharmony_ci
1607e41f4b71Sopenharmony_ci| 类型     | 说明           |
1608e41f4b71Sopenharmony_ci| ------ | ------------ |
1609e41f4b71Sopenharmony_ci| string | 时区对象对应的时区ID。 |
1610e41f4b71Sopenharmony_ci
1611e41f4b71Sopenharmony_ci**示例:**
1612e41f4b71Sopenharmony_ci  ```ts
1613e41f4b71Sopenharmony_ci  let timezone: i18n.TimeZone = i18n.getTimeZone();
1614e41f4b71Sopenharmony_ci  let timezoneID: string = timezone.getID(); // timezoneID = "Asia/Shanghai"
1615e41f4b71Sopenharmony_ci  ```
1616e41f4b71Sopenharmony_ci
1617e41f4b71Sopenharmony_ci
1618e41f4b71Sopenharmony_ci### getDisplayName
1619e41f4b71Sopenharmony_ci
1620e41f4b71Sopenharmony_cigetDisplayName(locale?: string, isDST?: boolean): string
1621e41f4b71Sopenharmony_ci
1622e41f4b71Sopenharmony_ci获取时区对象的本地化表示。
1623e41f4b71Sopenharmony_ci
1624e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1625e41f4b71Sopenharmony_ci
1626e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1627e41f4b71Sopenharmony_ci
1628e41f4b71Sopenharmony_ci**参数:**
1629e41f4b71Sopenharmony_ci
1630e41f4b71Sopenharmony_ci| 参数名    | 类型      | 必填   | 说明                   |
1631e41f4b71Sopenharmony_ci| ------ | ------- | ---- | -------------------- |
1632e41f4b71Sopenharmony_ci| locale | string  | 否    | 表示区域信息的字符串,由语言、脚本、国家或地区组成。默认值:系统Locale。                |
1633e41f4b71Sopenharmony_ci| isDST  | boolean | 否    | 时区对象本地化时是否考虑夏令时。默认值:false。 |
1634e41f4b71Sopenharmony_ci
1635e41f4b71Sopenharmony_ci**返回值:**
1636e41f4b71Sopenharmony_ci
1637e41f4b71Sopenharmony_ci| 类型     | 说明            |
1638e41f4b71Sopenharmony_ci| ------ | ------------- |
1639e41f4b71Sopenharmony_ci| string | 时区对象在指定区域的本地化表示。 |
1640e41f4b71Sopenharmony_ci
1641e41f4b71Sopenharmony_ci**示例:**
1642e41f4b71Sopenharmony_ci  ```ts
1643e41f4b71Sopenharmony_ci  let timezone: i18n.TimeZone = i18n.getTimeZone();
1644e41f4b71Sopenharmony_ci  let timezoneName: string = timezone.getDisplayName("zh-CN", false); // timezoneName = "中国标准时间"
1645e41f4b71Sopenharmony_ci  ```
1646e41f4b71Sopenharmony_ci
1647e41f4b71Sopenharmony_ci
1648e41f4b71Sopenharmony_ci### getRawOffset
1649e41f4b71Sopenharmony_ci
1650e41f4b71Sopenharmony_cigetRawOffset(): number
1651e41f4b71Sopenharmony_ci
1652e41f4b71Sopenharmony_ci获取时区对象表示的时区与UTC时区的偏差。
1653e41f4b71Sopenharmony_ci
1654e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1655e41f4b71Sopenharmony_ci
1656e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1657e41f4b71Sopenharmony_ci
1658e41f4b71Sopenharmony_ci**返回值:**
1659e41f4b71Sopenharmony_ci
1660e41f4b71Sopenharmony_ci| 类型     | 说明                  |
1661e41f4b71Sopenharmony_ci| ------ | ------------------- |
1662e41f4b71Sopenharmony_ci| number | 时区对象表示的时区与UTC时区的偏差,单位是毫秒。 |
1663e41f4b71Sopenharmony_ci
1664e41f4b71Sopenharmony_ci**示例:**
1665e41f4b71Sopenharmony_ci  ```ts
1666e41f4b71Sopenharmony_ci  let timezone: i18n.TimeZone = i18n.getTimeZone();
1667e41f4b71Sopenharmony_ci  let offset: number = timezone.getRawOffset(); // offset = 28800000
1668e41f4b71Sopenharmony_ci  ```
1669e41f4b71Sopenharmony_ci
1670e41f4b71Sopenharmony_ci
1671e41f4b71Sopenharmony_ci### getOffset
1672e41f4b71Sopenharmony_ci
1673e41f4b71Sopenharmony_cigetOffset(date?: number): number
1674e41f4b71Sopenharmony_ci
1675e41f4b71Sopenharmony_ci获取某一时刻时区对象表示的时区与UTC时区的偏差。
1676e41f4b71Sopenharmony_ci
1677e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1678e41f4b71Sopenharmony_ci
1679e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1680e41f4b71Sopenharmony_ci
1681e41f4b71Sopenharmony_ci**参数:**
1682e41f4b71Sopenharmony_ci
1683e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明     |
1684e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------ |
1685e41f4b71Sopenharmony_ci| date | number | 否    | 待计算偏差的时刻,单位是毫秒。默认值:系统时间。 |
1686e41f4b71Sopenharmony_ci
1687e41f4b71Sopenharmony_ci**返回值:**
1688e41f4b71Sopenharmony_ci
1689e41f4b71Sopenharmony_ci| 类型     | 说明                      |
1690e41f4b71Sopenharmony_ci| ------ | ----------------------- |
1691e41f4b71Sopenharmony_ci| number | 某一时刻时区对象表示的时区与UTC时区的偏差。 |
1692e41f4b71Sopenharmony_ci
1693e41f4b71Sopenharmony_ci**示例:**
1694e41f4b71Sopenharmony_ci  ```ts
1695e41f4b71Sopenharmony_ci  let timezone: i18n.TimeZone = i18n.getTimeZone();
1696e41f4b71Sopenharmony_ci  let offset: number = timezone.getOffset(1234567890); // offset = 28800000
1697e41f4b71Sopenharmony_ci  ```
1698e41f4b71Sopenharmony_ci
1699e41f4b71Sopenharmony_ci
1700e41f4b71Sopenharmony_ci### getAvailableIDs<sup>9+</sup>
1701e41f4b71Sopenharmony_ci
1702e41f4b71Sopenharmony_cistatic getAvailableIDs(): Array&lt;string&gt;
1703e41f4b71Sopenharmony_ci
1704e41f4b71Sopenharmony_ci获取系统支持的时区ID。
1705e41f4b71Sopenharmony_ci
1706e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1707e41f4b71Sopenharmony_ci
1708e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1709e41f4b71Sopenharmony_ci
1710e41f4b71Sopenharmony_ci**返回值:**
1711e41f4b71Sopenharmony_ci
1712e41f4b71Sopenharmony_ci| 类型                  | 说明          |
1713e41f4b71Sopenharmony_ci| ------------------- | ----------- |
1714e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 系统支持的时区ID列表。 |
1715e41f4b71Sopenharmony_ci
1716e41f4b71Sopenharmony_ci**示例:**
1717e41f4b71Sopenharmony_ci  ```ts
1718e41f4b71Sopenharmony_ci  // ids = ["America/Adak", "America/Anchorage", "America/Bogota", "America/Denver", "America/Los_Angeles", "America/Montevideo", "America/Santiago", "America/Sao_Paulo", "Asia/Ashgabat", "Asia/Hovd", "Asia/Jerusalem", "Asia/Magadan", "Asia/Omsk", "Asia/Shanghai", "Asia/Tokyo", "Asia/Yerevan", "Atlantic/Cape_Verde", "Australia/Lord_Howe", "Europe/Dublin", "Europe/London", "Europe/Moscow", "Pacific/Auckland", "Pacific/Easter", "Pacific/Pago-Pago"]
1719e41f4b71Sopenharmony_ci  let ids: Array<string> = i18n.TimeZone.getAvailableIDs();
1720e41f4b71Sopenharmony_ci  ```
1721e41f4b71Sopenharmony_ci
1722e41f4b71Sopenharmony_ci
1723e41f4b71Sopenharmony_ci### getAvailableZoneCityIDs<sup>9+</sup>
1724e41f4b71Sopenharmony_ci
1725e41f4b71Sopenharmony_cistatic getAvailableZoneCityIDs(): Array&lt;string&gt;
1726e41f4b71Sopenharmony_ci
1727e41f4b71Sopenharmony_ci获取系统支持的时区城市ID。
1728e41f4b71Sopenharmony_ci
1729e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1730e41f4b71Sopenharmony_ci
1731e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1732e41f4b71Sopenharmony_ci
1733e41f4b71Sopenharmony_ci**返回值:**
1734e41f4b71Sopenharmony_ci
1735e41f4b71Sopenharmony_ci| 类型                  | 说明            |
1736e41f4b71Sopenharmony_ci| ------------------- | ------------- |
1737e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 系统支持的时区城市ID列表。 |
1738e41f4b71Sopenharmony_ci
1739e41f4b71Sopenharmony_ci**示例:**
1740e41f4b71Sopenharmony_ci  ```ts
1741e41f4b71Sopenharmony_ci  // cityIDs = ["Auckland", "Magadan", "Lord Howe Island", "Tokyo", "Shanghai", "Hovd", "Omsk", "Ashgabat", "Yerevan", "Moscow", "Tel Aviv", "Dublin", "London", "Praia", "Montevideo", "Brasília", "Santiago", "Bogotá", "Easter Island", "Salt Lake City", "Los Angeles", "Anchorage", "Adak", "Pago Pago"]
1742e41f4b71Sopenharmony_ci  let cityIDs: Array<string> = i18n.TimeZone.getAvailableZoneCityIDs();
1743e41f4b71Sopenharmony_ci  ```
1744e41f4b71Sopenharmony_ci
1745e41f4b71Sopenharmony_ci### getCityDisplayName<sup>9+</sup>
1746e41f4b71Sopenharmony_ci
1747e41f4b71Sopenharmony_cistatic getCityDisplayName(cityID: string, locale: string): string
1748e41f4b71Sopenharmony_ci
1749e41f4b71Sopenharmony_ci获取某时区城市在该区域的本地化显示。
1750e41f4b71Sopenharmony_ci
1751e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1752e41f4b71Sopenharmony_ci
1753e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1754e41f4b71Sopenharmony_ci
1755e41f4b71Sopenharmony_ci**参数:**
1756e41f4b71Sopenharmony_ci
1757e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明     |
1758e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------ |
1759e41f4b71Sopenharmony_ci| cityID | string | 是    | 时区城市ID。 |
1760e41f4b71Sopenharmony_ci| locale | string | 是    | 表示区域信息的字符串,由语言、脚本、国家或地区组成。  |
1761e41f4b71Sopenharmony_ci
1762e41f4b71Sopenharmony_ci**返回值:**
1763e41f4b71Sopenharmony_ci
1764e41f4b71Sopenharmony_ci| 类型     | 说明                 |
1765e41f4b71Sopenharmony_ci| ------ | ------------------ |
1766e41f4b71Sopenharmony_ci| string | 时区城市在某区域的本地化显示。 |
1767e41f4b71Sopenharmony_ci
1768e41f4b71Sopenharmony_ci**示例:**
1769e41f4b71Sopenharmony_ci  ```ts
1770e41f4b71Sopenharmony_ci  let displayName: string = i18n.TimeZone.getCityDisplayName("Shanghai", "zh-CN"); // displayName = "上海 (中国)"
1771e41f4b71Sopenharmony_ci  ```
1772e41f4b71Sopenharmony_ci
1773e41f4b71Sopenharmony_ci
1774e41f4b71Sopenharmony_ci### getTimezoneFromCity<sup>9+</sup>
1775e41f4b71Sopenharmony_ci
1776e41f4b71Sopenharmony_cistatic getTimezoneFromCity(cityID: string): TimeZone
1777e41f4b71Sopenharmony_ci
1778e41f4b71Sopenharmony_ci创建某时区城市对应的时区对象。
1779e41f4b71Sopenharmony_ci
1780e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1781e41f4b71Sopenharmony_ci
1782e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1783e41f4b71Sopenharmony_ci
1784e41f4b71Sopenharmony_ci**参数:**
1785e41f4b71Sopenharmony_ci
1786e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明     |
1787e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------ |
1788e41f4b71Sopenharmony_ci| cityID | string | 是    | 时区城市ID。 |
1789e41f4b71Sopenharmony_ci
1790e41f4b71Sopenharmony_ci**返回值:**
1791e41f4b71Sopenharmony_ci
1792e41f4b71Sopenharmony_ci| 类型       | 说明          |
1793e41f4b71Sopenharmony_ci| -------- | ----------- |
1794e41f4b71Sopenharmony_ci| TimeZone | 时区城市对应的时区对象。 |
1795e41f4b71Sopenharmony_ci
1796e41f4b71Sopenharmony_ci**示例:**
1797e41f4b71Sopenharmony_ci  ```ts
1798e41f4b71Sopenharmony_ci  let timezone: i18n.TimeZone = i18n.TimeZone.getTimezoneFromCity("Shanghai");
1799e41f4b71Sopenharmony_ci  ```
1800e41f4b71Sopenharmony_ci
1801e41f4b71Sopenharmony_ci### getTimezonesByLocation<sup>10+</sup>
1802e41f4b71Sopenharmony_ci
1803e41f4b71Sopenharmony_cistatic getTimezonesByLocation(longitude: number, latitude: number): Array&lt;TimeZone&gt;
1804e41f4b71Sopenharmony_ci
1805e41f4b71Sopenharmony_ci创建某经纬度对应的时区对象数组。
1806e41f4b71Sopenharmony_ci
1807e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1808e41f4b71Sopenharmony_ci
1809e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1810e41f4b71Sopenharmony_ci
1811e41f4b71Sopenharmony_ci**参数:**
1812e41f4b71Sopenharmony_ci
1813e41f4b71Sopenharmony_ci| 参数名     | 类型     | 必填   | 说明     |
1814e41f4b71Sopenharmony_ci| --------- | ------ | ---- | ------ |
1815e41f4b71Sopenharmony_ci| longitude | number | 是    | 经度, 范围[-180, 179.9), 东经取正值, 西经取负值。 |
1816e41f4b71Sopenharmony_ci| latitude  | number | 是    | 纬度, 范围[-90, 89.9), 北纬取正值, 南纬取负值。 |
1817e41f4b71Sopenharmony_ci
1818e41f4b71Sopenharmony_ci**返回值:**
1819e41f4b71Sopenharmony_ci
1820e41f4b71Sopenharmony_ci| 类型       | 说明          |
1821e41f4b71Sopenharmony_ci| -------- | ----------- |
1822e41f4b71Sopenharmony_ci| Array&lt;[TimeZone](#timezone)&gt; | 时区对象数组。 |
1823e41f4b71Sopenharmony_ci
1824e41f4b71Sopenharmony_ci**错误码:**
1825e41f4b71Sopenharmony_ci
1826e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
1827e41f4b71Sopenharmony_ci
1828e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
1829e41f4b71Sopenharmony_ci| ------ | ---------------------- |
1830e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
1831e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
1832e41f4b71Sopenharmony_ci
1833e41f4b71Sopenharmony_ci
1834e41f4b71Sopenharmony_ci> **说明**
1835e41f4b71Sopenharmony_ci>
1836e41f4b71Sopenharmony_ci> 890001的报错信息请以接口的实际报错为准。
1837e41f4b71Sopenharmony_ci
1838e41f4b71Sopenharmony_ci**示例:**
1839e41f4b71Sopenharmony_ci  ```ts
1840e41f4b71Sopenharmony_ci  let timezoneArray: Array<i18n.TimeZone> = i18n.TimeZone.getTimezonesByLocation(-118.1, 34.0);
1841e41f4b71Sopenharmony_ci  for (let i = 0; i < timezoneArray.length; i++) {
1842e41f4b71Sopenharmony_ci      let tzId: string = timezoneArray[i].getID();
1843e41f4b71Sopenharmony_ci  }
1844e41f4b71Sopenharmony_ci  ```
1845e41f4b71Sopenharmony_ci
1846e41f4b71Sopenharmony_ci
1847e41f4b71Sopenharmony_ci## Transliterator<sup>9+</sup>
1848e41f4b71Sopenharmony_ci
1849e41f4b71Sopenharmony_ci
1850e41f4b71Sopenharmony_ci### getAvailableIDs<sup>9+</sup>
1851e41f4b71Sopenharmony_ci
1852e41f4b71Sopenharmony_cistatic getAvailableIDs(): string[]
1853e41f4b71Sopenharmony_ci
1854e41f4b71Sopenharmony_ci获取音译支持的ID列表。
1855e41f4b71Sopenharmony_ci
1856e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1857e41f4b71Sopenharmony_ci
1858e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1859e41f4b71Sopenharmony_ci
1860e41f4b71Sopenharmony_ci**返回值:**
1861e41f4b71Sopenharmony_ci
1862e41f4b71Sopenharmony_ci| 类型       | 说明         |
1863e41f4b71Sopenharmony_ci| -------- | ---------- |
1864e41f4b71Sopenharmony_ci| string[] | 音译支持的ID列表。 |
1865e41f4b71Sopenharmony_ci
1866e41f4b71Sopenharmony_ci**示例:**
1867e41f4b71Sopenharmony_ci  ```ts
1868e41f4b71Sopenharmony_ci  // ids共支持742个。每一个id由使用中划线分割的两部分组成,格式为 source-destination。例如ids = ["Han-Latin","Latin-ASCII", "Amharic-Latin/BGN","Accents-Any", ...],Han-Latin表示汉语转为译拉丁文,Amharic-Latin表示阿姆哈拉语转为拉丁文。
1869e41f4b71Sopenharmony_ci  // 更多使用信息可以参考ISO-15924。
1870e41f4b71Sopenharmony_ci  let ids: string[] = i18n.Transliterator.getAvailableIDs();
1871e41f4b71Sopenharmony_ci  ```
1872e41f4b71Sopenharmony_ci
1873e41f4b71Sopenharmony_ci
1874e41f4b71Sopenharmony_ci### getInstance<sup>9+</sup>
1875e41f4b71Sopenharmony_ci
1876e41f4b71Sopenharmony_cistatic getInstance(id: string): Transliterator
1877e41f4b71Sopenharmony_ci
1878e41f4b71Sopenharmony_ci创建音译对象。
1879e41f4b71Sopenharmony_ci
1880e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1881e41f4b71Sopenharmony_ci
1882e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1883e41f4b71Sopenharmony_ci
1884e41f4b71Sopenharmony_ci**参数:**
1885e41f4b71Sopenharmony_ci
1886e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明       |
1887e41f4b71Sopenharmony_ci| ---- | ------ | ---- | -------- |
1888e41f4b71Sopenharmony_ci| id   | string | 是    | 音译支持的ID。 |
1889e41f4b71Sopenharmony_ci
1890e41f4b71Sopenharmony_ci**返回值:**
1891e41f4b71Sopenharmony_ci
1892e41f4b71Sopenharmony_ci| 类型                                 | 说明    |
1893e41f4b71Sopenharmony_ci| ---------------------------------- | ----- |
1894e41f4b71Sopenharmony_ci| [Transliterator](#transliterator9) | 音译对象。 |
1895e41f4b71Sopenharmony_ci
1896e41f4b71Sopenharmony_ci**示例:**
1897e41f4b71Sopenharmony_ci  ```ts
1898e41f4b71Sopenharmony_ci  let transliterator: i18n.Transliterator = i18n.Transliterator.getInstance("Any-Latn");
1899e41f4b71Sopenharmony_ci  ```
1900e41f4b71Sopenharmony_ci
1901e41f4b71Sopenharmony_ci
1902e41f4b71Sopenharmony_ci### transform<sup>9+</sup>
1903e41f4b71Sopenharmony_ci
1904e41f4b71Sopenharmony_citransform(text: string): string
1905e41f4b71Sopenharmony_ci
1906e41f4b71Sopenharmony_ci将输入字符串从源格式转换为目标格式。
1907e41f4b71Sopenharmony_ci
1908e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1909e41f4b71Sopenharmony_ci
1910e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1911e41f4b71Sopenharmony_ci
1912e41f4b71Sopenharmony_ci**参数:**
1913e41f4b71Sopenharmony_ci
1914e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明     |
1915e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ------ |
1916e41f4b71Sopenharmony_ci| text | string | 是    | 输入字符串。 |
1917e41f4b71Sopenharmony_ci
1918e41f4b71Sopenharmony_ci**返回值:**
1919e41f4b71Sopenharmony_ci
1920e41f4b71Sopenharmony_ci| 类型     | 说明       |
1921e41f4b71Sopenharmony_ci| ------ | -------- |
1922e41f4b71Sopenharmony_ci| string | 转换后的字符串。 |
1923e41f4b71Sopenharmony_ci
1924e41f4b71Sopenharmony_ci**示例:**
1925e41f4b71Sopenharmony_ci  ```ts
1926e41f4b71Sopenharmony_ci  let transliterator: i18n.Transliterator = i18n.Transliterator.getInstance("Any-Latn");
1927e41f4b71Sopenharmony_ci  let res: string = transliterator.transform("中国"); // res = "zhōng guó"
1928e41f4b71Sopenharmony_ci  ```
1929e41f4b71Sopenharmony_ci
1930e41f4b71Sopenharmony_ci
1931e41f4b71Sopenharmony_ci## Unicode<sup>9+</sup>
1932e41f4b71Sopenharmony_ci
1933e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1934e41f4b71Sopenharmony_ci
1935e41f4b71Sopenharmony_ci### isDigit<sup>9+</sup>
1936e41f4b71Sopenharmony_ci
1937e41f4b71Sopenharmony_cistatic isDigit(char: string): boolean
1938e41f4b71Sopenharmony_ci
1939e41f4b71Sopenharmony_ci判断字符串char是否是数字。
1940e41f4b71Sopenharmony_ci
1941e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1942e41f4b71Sopenharmony_ci
1943e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1944e41f4b71Sopenharmony_ci
1945e41f4b71Sopenharmony_ci**参数:**
1946e41f4b71Sopenharmony_ci
1947e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
1948e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
1949e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符串。 |
1950e41f4b71Sopenharmony_ci
1951e41f4b71Sopenharmony_ci**返回值:**
1952e41f4b71Sopenharmony_ci
1953e41f4b71Sopenharmony_ci| 类型      | 说明                                   |
1954e41f4b71Sopenharmony_ci| ------- | ------------------------------------ |
1955e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是数字,返回false表示输入的字符不是数字。 |
1956e41f4b71Sopenharmony_ci
1957e41f4b71Sopenharmony_ci**示例:**
1958e41f4b71Sopenharmony_ci  ```ts
1959e41f4b71Sopenharmony_ci  let isdigit: boolean = i18n.Unicode.isDigit("1");  // isdigit = true
1960e41f4b71Sopenharmony_ci  ```
1961e41f4b71Sopenharmony_ci
1962e41f4b71Sopenharmony_ci
1963e41f4b71Sopenharmony_ci### isSpaceChar<sup>9+</sup>
1964e41f4b71Sopenharmony_ci
1965e41f4b71Sopenharmony_cistatic isSpaceChar(char: string): boolean
1966e41f4b71Sopenharmony_ci
1967e41f4b71Sopenharmony_ci判断字符串char是否是空格符。
1968e41f4b71Sopenharmony_ci
1969e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1970e41f4b71Sopenharmony_ci
1971e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
1972e41f4b71Sopenharmony_ci
1973e41f4b71Sopenharmony_ci**参数:**
1974e41f4b71Sopenharmony_ci
1975e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
1976e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
1977e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符串。 |
1978e41f4b71Sopenharmony_ci
1979e41f4b71Sopenharmony_ci**返回值:**
1980e41f4b71Sopenharmony_ci
1981e41f4b71Sopenharmony_ci| 类型      | 说明                                     |
1982e41f4b71Sopenharmony_ci| ------- | -------------------------------------- |
1983e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是空格符,返回false表示输入的字符不是空格符。 |
1984e41f4b71Sopenharmony_ci
1985e41f4b71Sopenharmony_ci**示例:**
1986e41f4b71Sopenharmony_ci  ```ts
1987e41f4b71Sopenharmony_ci  let isspacechar: boolean = i18n.Unicode.isSpaceChar("a");  // isspacechar = false
1988e41f4b71Sopenharmony_ci  ```
1989e41f4b71Sopenharmony_ci
1990e41f4b71Sopenharmony_ci
1991e41f4b71Sopenharmony_ci### isWhitespace<sup>9+</sup>
1992e41f4b71Sopenharmony_ci
1993e41f4b71Sopenharmony_cistatic isWhitespace(char: string): boolean
1994e41f4b71Sopenharmony_ci
1995e41f4b71Sopenharmony_ci判断字符串char是否是空白符。
1996e41f4b71Sopenharmony_ci
1997e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
1998e41f4b71Sopenharmony_ci
1999e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2000e41f4b71Sopenharmony_ci
2001e41f4b71Sopenharmony_ci**参数:**
2002e41f4b71Sopenharmony_ci
2003e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2004e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2005e41f4b71Sopenharmony_ci| char | string | 是    | 字符串。 |
2006e41f4b71Sopenharmony_ci
2007e41f4b71Sopenharmony_ci**返回值:**
2008e41f4b71Sopenharmony_ci
2009e41f4b71Sopenharmony_ci| 类型      | 说明                                     |
2010e41f4b71Sopenharmony_ci| ------- | -------------------------------------- |
2011e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是空白符,返回false表示输入的字符不是空白符。 |
2012e41f4b71Sopenharmony_ci
2013e41f4b71Sopenharmony_ci**示例:**
2014e41f4b71Sopenharmony_ci  ```ts
2015e41f4b71Sopenharmony_ci  let iswhitespace: boolean = i18n.Unicode.isWhitespace("a");  // iswhitespace = false
2016e41f4b71Sopenharmony_ci  ```
2017e41f4b71Sopenharmony_ci
2018e41f4b71Sopenharmony_ci
2019e41f4b71Sopenharmony_ci### isRTL<sup>9+</sup>
2020e41f4b71Sopenharmony_ci
2021e41f4b71Sopenharmony_cistatic isRTL(char: string): boolean
2022e41f4b71Sopenharmony_ci
2023e41f4b71Sopenharmony_ci判断字符串char是否是从右到左语言的字符。
2024e41f4b71Sopenharmony_ci
2025e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2026e41f4b71Sopenharmony_ci
2027e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2028e41f4b71Sopenharmony_ci
2029e41f4b71Sopenharmony_ci**参数:**
2030e41f4b71Sopenharmony_ci
2031e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2032e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2033e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
2034e41f4b71Sopenharmony_ci
2035e41f4b71Sopenharmony_ci**返回值:**
2036e41f4b71Sopenharmony_ci
2037e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
2038e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
2039e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是从右到左语言的字符,返回false表示输入的字符不是从右到左语言的字符。 |
2040e41f4b71Sopenharmony_ci
2041e41f4b71Sopenharmony_ci**示例:**
2042e41f4b71Sopenharmony_ci  ```ts
2043e41f4b71Sopenharmony_ci  let isrtl: boolean = i18n.Unicode.isRTL("a");  // isrtl = false
2044e41f4b71Sopenharmony_ci  ```
2045e41f4b71Sopenharmony_ci
2046e41f4b71Sopenharmony_ci
2047e41f4b71Sopenharmony_ci### isIdeograph<sup>9+</sup>
2048e41f4b71Sopenharmony_ci
2049e41f4b71Sopenharmony_cistatic isIdeograph(char: string): boolean
2050e41f4b71Sopenharmony_ci
2051e41f4b71Sopenharmony_ci判断字符串char是否是表意文字。
2052e41f4b71Sopenharmony_ci
2053e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2054e41f4b71Sopenharmony_ci
2055e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2056e41f4b71Sopenharmony_ci
2057e41f4b71Sopenharmony_ci**参数:**
2058e41f4b71Sopenharmony_ci
2059e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2060e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2061e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
2062e41f4b71Sopenharmony_ci
2063e41f4b71Sopenharmony_ci**返回值:**
2064e41f4b71Sopenharmony_ci
2065e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
2066e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
2067e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是表意文字,返回false表示输入的字符不是表意文字。 |
2068e41f4b71Sopenharmony_ci
2069e41f4b71Sopenharmony_ci**示例:**
2070e41f4b71Sopenharmony_ci  ```ts
2071e41f4b71Sopenharmony_ci  let isideograph: boolean = i18n.Unicode.isIdeograph("a");  // isideograph = false
2072e41f4b71Sopenharmony_ci  ```
2073e41f4b71Sopenharmony_ci
2074e41f4b71Sopenharmony_ci
2075e41f4b71Sopenharmony_ci### isLetter<sup>9+</sup>
2076e41f4b71Sopenharmony_ci
2077e41f4b71Sopenharmony_cistatic isLetter(char: string): boolean
2078e41f4b71Sopenharmony_ci
2079e41f4b71Sopenharmony_ci判断字符串char是否是字母。
2080e41f4b71Sopenharmony_ci
2081e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2082e41f4b71Sopenharmony_ci
2083e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2084e41f4b71Sopenharmony_ci
2085e41f4b71Sopenharmony_ci**参数:**
2086e41f4b71Sopenharmony_ci
2087e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2088e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2089e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
2090e41f4b71Sopenharmony_ci
2091e41f4b71Sopenharmony_ci**返回值:**
2092e41f4b71Sopenharmony_ci
2093e41f4b71Sopenharmony_ci| 类型      | 说明                                   |
2094e41f4b71Sopenharmony_ci| ------- | ------------------------------------ |
2095e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是字母,返回false表示输入的字符不是字母。 |
2096e41f4b71Sopenharmony_ci
2097e41f4b71Sopenharmony_ci**示例:**
2098e41f4b71Sopenharmony_ci  ```ts
2099e41f4b71Sopenharmony_ci  let isletter: boolean = i18n.Unicode.isLetter("a");  // isletter = true
2100e41f4b71Sopenharmony_ci  ```
2101e41f4b71Sopenharmony_ci
2102e41f4b71Sopenharmony_ci
2103e41f4b71Sopenharmony_ci### isLowerCase<sup>9+</sup>
2104e41f4b71Sopenharmony_ci
2105e41f4b71Sopenharmony_cistatic isLowerCase(char: string): boolean
2106e41f4b71Sopenharmony_ci
2107e41f4b71Sopenharmony_ci判断字符串char是否是小写字母。
2108e41f4b71Sopenharmony_ci
2109e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2110e41f4b71Sopenharmony_ci
2111e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2112e41f4b71Sopenharmony_ci
2113e41f4b71Sopenharmony_ci**参数:**
2114e41f4b71Sopenharmony_ci
2115e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2116e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2117e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
2118e41f4b71Sopenharmony_ci
2119e41f4b71Sopenharmony_ci**返回值:**
2120e41f4b71Sopenharmony_ci
2121e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
2122e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
2123e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是小写字母,返回false表示输入的字符不是小写字母。 |
2124e41f4b71Sopenharmony_ci
2125e41f4b71Sopenharmony_ci**示例:**
2126e41f4b71Sopenharmony_ci  ```ts
2127e41f4b71Sopenharmony_ci  let islowercase: boolean = i18n.Unicode.isLowerCase("a");  // islowercase = true
2128e41f4b71Sopenharmony_ci  ```
2129e41f4b71Sopenharmony_ci
2130e41f4b71Sopenharmony_ci
2131e41f4b71Sopenharmony_ci### isUpperCase<sup>9+</sup>
2132e41f4b71Sopenharmony_ci
2133e41f4b71Sopenharmony_cistatic isUpperCase(char: string): boolean
2134e41f4b71Sopenharmony_ci
2135e41f4b71Sopenharmony_ci判断字符串char是否是大写字母。
2136e41f4b71Sopenharmony_ci
2137e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2138e41f4b71Sopenharmony_ci
2139e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2140e41f4b71Sopenharmony_ci
2141e41f4b71Sopenharmony_ci**参数:**
2142e41f4b71Sopenharmony_ci
2143e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2144e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2145e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
2146e41f4b71Sopenharmony_ci
2147e41f4b71Sopenharmony_ci**返回值:**
2148e41f4b71Sopenharmony_ci
2149e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
2150e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
2151e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是大写字母,返回false表示输入的字符不是大写字母。 |
2152e41f4b71Sopenharmony_ci
2153e41f4b71Sopenharmony_ci**示例:**
2154e41f4b71Sopenharmony_ci  ```ts
2155e41f4b71Sopenharmony_ci  let isuppercase: boolean = i18n.Unicode.isUpperCase("a");  // isuppercase = false
2156e41f4b71Sopenharmony_ci  ```
2157e41f4b71Sopenharmony_ci
2158e41f4b71Sopenharmony_ci
2159e41f4b71Sopenharmony_ci### getType<sup>9+</sup>
2160e41f4b71Sopenharmony_ci
2161e41f4b71Sopenharmony_cistatic getType(char: string): string
2162e41f4b71Sopenharmony_ci
2163e41f4b71Sopenharmony_ci获取输入字符串的一般类别值。
2164e41f4b71Sopenharmony_ci
2165e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2166e41f4b71Sopenharmony_ci
2167e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2168e41f4b71Sopenharmony_ci
2169e41f4b71Sopenharmony_ci**参数:**
2170e41f4b71Sopenharmony_ci
2171e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
2172e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
2173e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
2174e41f4b71Sopenharmony_ci
2175e41f4b71Sopenharmony_ci**返回值:**
2176e41f4b71Sopenharmony_ci
2177e41f4b71Sopenharmony_ci| 类型     | 说明          |
2178e41f4b71Sopenharmony_ci| ------ | ----------- |
2179e41f4b71Sopenharmony_ci| string | 输入字符的一般类别值。|
2180e41f4b71Sopenharmony_ci
2181e41f4b71Sopenharmony_ci一般类别值如下,更详细的介绍可以参考Unicode标准。
2182e41f4b71Sopenharmony_ci
2183e41f4b71Sopenharmony_ci| 名称 | 值 | 说明 |
2184e41f4b71Sopenharmony_ci| ---- | -------- | ---------- |
2185e41f4b71Sopenharmony_ci| U_UNASSIGNED | U_UNASSIGNED | 表示未分配和非字符代码点对应类别。 |
2186e41f4b71Sopenharmony_ci| U_GENERAL_OTHER_TYPES | U_GENERAL_OTHER_TYPES | 与 U_UNASSIGNED 相同。 |
2187e41f4b71Sopenharmony_ci| U_UPPERCASE_LETTER | U_UPPERCASE_LETTER | 表示大写字母。 |
2188e41f4b71Sopenharmony_ci| U_LOWERCASE_LETTER | U_LOWERCASE_LETTER | 表示小写字母。  |
2189e41f4b71Sopenharmony_ci| U_TITLECASE_LETTER | U_TITLECASE_LETTER | 表示首字母大写。 |
2190e41f4b71Sopenharmony_ci| U_MODIFIER_LETTER | U_MODIFIER_LETTER | 表示字母修饰符。 |
2191e41f4b71Sopenharmony_ci| U_OTHER_LETTER | U_OTHER_LETTER | 表示其它字母,不属于大写字母、小写字母、首字母大写或修饰符字母的字母。 |
2192e41f4b71Sopenharmony_ci| U_NON_SPACING_MARK | U_NON_SPACING_MARK | 表示非间距标记,如重音符号',变音符号#。 |
2193e41f4b71Sopenharmony_ci| U_ENCLOSING_MARK | U_ENCLOSING_MARK | 表示封闭标记和能围住其它字符的标记,如圆圈、方框等。 |
2194e41f4b71Sopenharmony_ci| U_COMBINING_SPACING_MARK | U_COMBINING_SPACING_MARK | 表示间距标记,如元音符号[ ]。 |
2195e41f4b71Sopenharmony_ci| U_DECIMAL_DIGIT_NUMBER | U_DECIMAL_DIGIT_NUMBER | 表示十进制数字。 |
2196e41f4b71Sopenharmony_ci| U_LETTER_NUMBER | U_LETTER_NUMBER | 表示字母数字,罗马数字。 |
2197e41f4b71Sopenharmony_ci| U_OTHER_NUMBER | U_OTHER_NUMBER | 表示其它作为加密符号和记号的数字,非阿拉伯数字的数字表示符,如@、#、(1)、①等。 |
2198e41f4b71Sopenharmony_ci| U_SPACE_SEPARATOR | U_SPACE_SEPARATOR | 表示空白分隔符,如空格符、不间断空格、固定宽度的空白符。 |
2199e41f4b71Sopenharmony_ci| U_LINE_SEPARATOR | U_LINE_SEPARATOR | 表示行分隔符。|
2200e41f4b71Sopenharmony_ci| U_PARAGRAPH_SEPARATOR | U_PARAGRAPH_SEPARATOR | 表示段落分割符。 |
2201e41f4b71Sopenharmony_ci| U_CONTROL_CHAR | U_CONTROL_CHAR | 表示控制字符。 |
2202e41f4b71Sopenharmony_ci| U_FORMAT_CHAR | U_FORMAT_CHAR | 表示格式字符。 |
2203e41f4b71Sopenharmony_ci| U_PRIVATE_USE_CHAR | U_PRIVATE_USE_CHAR | 表示私人使用区代码点类别,例如公司 logo。 |
2204e41f4b71Sopenharmony_ci| U_SURROGATE | U_SURROGATE | 表示代理项,在UTF-16中用来表示补充字符的方法。 |
2205e41f4b71Sopenharmony_ci| U_DASH_PUNCTUATION | U_DASH_PUNCTUATION | 表示短划线标点。 |
2206e41f4b71Sopenharmony_ci| U_START_PUNCTUATION | U_START_PUNCTUATION | 表示开始标点,如左括号。 |
2207e41f4b71Sopenharmony_ci| U_END_PUNCTUATION | U_END_PUNCTUATION | 表示结束标点,如右括号。 |
2208e41f4b71Sopenharmony_ci| U_INITIAL_PUNCTUATION | U_INITIAL_PUNCTUATION | 表示前引号,如左双引号、左单引号。 |
2209e41f4b71Sopenharmony_ci| U_FINAL_PUNCTUATION | U_FINAL_PUNCTUATION | 表示后引号,如右双引号、右单引号。 |
2210e41f4b71Sopenharmony_ci| U_CONNECTOR_PUNCTUATION | U_CONNECTOR_PUNCTUATION | 表示连接符标点。 |
2211e41f4b71Sopenharmony_ci| U_OTHER_PUNCTUATION | U_OTHER_PUNCTUATION | 表示其他标点。 |
2212e41f4b71Sopenharmony_ci| U_MATH_SYMBOL | U_MATH_SYMBOL | 表示数学符号。 |
2213e41f4b71Sopenharmony_ci| U_CURRENCY_SYMBOL | U_CURRENCY_SYMBOL | 表示货币符号。 |
2214e41f4b71Sopenharmony_ci| U_MODIFIER_SYMBOL | U_MODIFIER_SYMBOL | 表示修饰符号。 |
2215e41f4b71Sopenharmony_ci| U_OTHER_SYMBOL | U_OTHER_SYMBOL | 表示其它符号。 |
2216e41f4b71Sopenharmony_ci
2217e41f4b71Sopenharmony_ci**示例:**
2218e41f4b71Sopenharmony_ci  ```ts
2219e41f4b71Sopenharmony_ci  let type: string = i18n.Unicode.getType("a"); // type = "U_LOWERCASE_LETTER"
2220e41f4b71Sopenharmony_ci  ```
2221e41f4b71Sopenharmony_ci
2222e41f4b71Sopenharmony_ci## I18NUtil<sup>9+</sup>
2223e41f4b71Sopenharmony_ci
2224e41f4b71Sopenharmony_ci
2225e41f4b71Sopenharmony_ci### unitConvert<sup>9+</sup>
2226e41f4b71Sopenharmony_ci
2227e41f4b71Sopenharmony_cistatic unitConvert(fromUnit: UnitInfo, toUnit: UnitInfo, value: number, locale: string, style?: string): string
2228e41f4b71Sopenharmony_ci
2229e41f4b71Sopenharmony_ci将fromUnit的单位转换为toUnit的单位,并根据区域与风格进行格式化。
2230e41f4b71Sopenharmony_ci
2231e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2232e41f4b71Sopenharmony_ci
2233e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2234e41f4b71Sopenharmony_ci
2235e41f4b71Sopenharmony_ci**参数:**
2236e41f4b71Sopenharmony_ci
2237e41f4b71Sopenharmony_ci| 参数名      | 类型                     | 必填   | 说明                                       |
2238e41f4b71Sopenharmony_ci| -------- | ---------------------- | ---- | ---------------------------------------- |
2239e41f4b71Sopenharmony_ci| fromUnit | [UnitInfo](#unitinfo8) | 是    | 需要转换的单位。                                 |
2240e41f4b71Sopenharmony_ci| toUnit   | [UnitInfo](#unitinfo8) | 是    | 转换成的目标单位。                                 |
2241e41f4b71Sopenharmony_ci| value    | number                 | 是    | 需要转换的单位的数量值。                             |
2242e41f4b71Sopenharmony_ci| locale   | string                 | 是    | 表示区域信息的字符串,由语言、脚本、国家或地区组成,如:zh-Hans-CN。                |
2243e41f4b71Sopenharmony_ci| style    | string                 | 否    | 格式化使用的风格,取值包括:"long",&nbsp;"short",&nbsp;"narrow"。默认值:short。<br>不同取值显示效果请参考[数字与度量衡国际化](../../internationalization/i18n-numbers-weights-measures.md) |
2244e41f4b71Sopenharmony_ci
2245e41f4b71Sopenharmony_ci**返回值:**
2246e41f4b71Sopenharmony_ci
2247e41f4b71Sopenharmony_ci| 类型     | 说明                      |
2248e41f4b71Sopenharmony_ci| ------ | ----------------------- |
2249e41f4b71Sopenharmony_ci| string | 按照toUnit的单位格式化后,得到的字符串。 |
2250e41f4b71Sopenharmony_ci
2251e41f4b71Sopenharmony_ci**示例:**
2252e41f4b71Sopenharmony_ci  ```ts
2253e41f4b71Sopenharmony_ci  let fromUnit: i18n.UnitInfo = {unit: "cup", measureSystem: "US"};
2254e41f4b71Sopenharmony_ci  let toUnit: i18n.UnitInfo = {unit: "liter", measureSystem: "SI"};
2255e41f4b71Sopenharmony_ci  let res: string = i18n.I18NUtil.unitConvert(fromUnit, toUnit, 1000, "en-US", "long"); // res = 236.588 liters
2256e41f4b71Sopenharmony_ci  ```
2257e41f4b71Sopenharmony_ci
2258e41f4b71Sopenharmony_ci### getDateOrder<sup>9+</sup>
2259e41f4b71Sopenharmony_ci
2260e41f4b71Sopenharmony_cistatic getDateOrder(locale: string): string
2261e41f4b71Sopenharmony_ci
2262e41f4b71Sopenharmony_ci获取某区域日期中年、月、日的排列顺序。
2263e41f4b71Sopenharmony_ci
2264e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2265e41f4b71Sopenharmony_ci
2266e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2267e41f4b71Sopenharmony_ci
2268e41f4b71Sopenharmony_ci**参数:**
2269e41f4b71Sopenharmony_ci
2270e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                        |
2271e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------- |
2272e41f4b71Sopenharmony_ci| locale | string | 是    | 表示区域信息的字符串,由语言、脚本、国家或地区组成,如:zh-Hans-CN。 |
2273e41f4b71Sopenharmony_ci
2274e41f4b71Sopenharmony_ci**返回值:**
2275e41f4b71Sopenharmony_ci
2276e41f4b71Sopenharmony_ci| 类型     | 说明                  |
2277e41f4b71Sopenharmony_ci| ------ | ------------------- |
2278e41f4b71Sopenharmony_ci| string | 返回该区域年、月、日的排列顺序。 |
2279e41f4b71Sopenharmony_ci
2280e41f4b71Sopenharmony_ci**示例:**
2281e41f4b71Sopenharmony_ci  ```ts
2282e41f4b71Sopenharmony_ci  let order: string = i18n.I18NUtil.getDateOrder("zh-CN");  // order = "y-L-d"
2283e41f4b71Sopenharmony_ci  ```
2284e41f4b71Sopenharmony_ci
2285e41f4b71Sopenharmony_ci
2286e41f4b71Sopenharmony_ci### getTimePeriodName<sup>11+</sup>
2287e41f4b71Sopenharmony_ci
2288e41f4b71Sopenharmony_cistatic getTimePeriodName(hour:number, locale?: string): string
2289e41f4b71Sopenharmony_ci
2290e41f4b71Sopenharmony_ci获取某区域指定时间的本地化表达。
2291e41f4b71Sopenharmony_ci
2292e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2293e41f4b71Sopenharmony_ci
2294e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2295e41f4b71Sopenharmony_ci
2296e41f4b71Sopenharmony_ci**参数:**
2297e41f4b71Sopenharmony_ci
2298e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                        |
2299e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------- |
2300e41f4b71Sopenharmony_ci| hour | number | 是    | 指定的时间,如:16。 |
2301e41f4b71Sopenharmony_ci| locale | string | 否    | 表示区域信息的字符串,由语言、脚本、国家或地区组成。如:zh-Hans-CN。 <br>默认是当前区域。|
2302e41f4b71Sopenharmony_ci
2303e41f4b71Sopenharmony_ci**返回值:**
2304e41f4b71Sopenharmony_ci
2305e41f4b71Sopenharmony_ci| 类型     | 说明                  |
2306e41f4b71Sopenharmony_ci| ------ | ------------------- |
2307e41f4b71Sopenharmony_ci| string | 返回某区域指定时间的本地化表达。 |
2308e41f4b71Sopenharmony_ci
2309e41f4b71Sopenharmony_ci**错误码:**
2310e41f4b71Sopenharmony_ci
2311e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
2312e41f4b71Sopenharmony_ci
2313e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2314e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2315e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2316e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
2317e41f4b71Sopenharmony_ci
2318e41f4b71Sopenharmony_ci**示例:**
2319e41f4b71Sopenharmony_ci  ```ts
2320e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
2321e41f4b71Sopenharmony_ci
2322e41f4b71Sopenharmony_ci  try {
2323e41f4b71Sopenharmony_ci    let name: string = i18n.I18NUtil.getTimePeriodName(2, "zh-CN");  // name = "凌晨"
2324e41f4b71Sopenharmony_ci  } catch(error) {
2325e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
2326e41f4b71Sopenharmony_ci    console.error(`call I18NUtil.getTimePeriodName failed, error code: ${err.code}, message: ${err.message}.`);
2327e41f4b71Sopenharmony_ci  }
2328e41f4b71Sopenharmony_ci  ```
2329e41f4b71Sopenharmony_ci
2330e41f4b71Sopenharmony_ci### getBestMatchLocale<sup>12+</sup>
2331e41f4b71Sopenharmony_ci
2332e41f4b71Sopenharmony_cistatic getBestMatchLocale(locale: string, localeList: string[]): string
2333e41f4b71Sopenharmony_ci
2334e41f4b71Sopenharmony_ci在指定区域列表中获取与某个区域最佳匹配的区域。
2335e41f4b71Sopenharmony_ci
2336e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2337e41f4b71Sopenharmony_ci
2338e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2339e41f4b71Sopenharmony_ci
2340e41f4b71Sopenharmony_ci**参数:**
2341e41f4b71Sopenharmony_ci
2342e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                        |
2343e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------- |
2344e41f4b71Sopenharmony_ci| locale | string | 是    | 待匹配的区域ID,如:zh-Hans-CN。 |
2345e41f4b71Sopenharmony_ci| localeList | string[] | 是   | 指定区域ID列表。 |
2346e41f4b71Sopenharmony_ci
2347e41f4b71Sopenharmony_ci**返回值:**
2348e41f4b71Sopenharmony_ci
2349e41f4b71Sopenharmony_ci| 类型     | 说明                  |
2350e41f4b71Sopenharmony_ci| ------ | ------------------- |
2351e41f4b71Sopenharmony_ci| string | 与某个区域最佳匹配的区域ID。当指定区域列表中没有匹配的区域时,返回空字串。 |
2352e41f4b71Sopenharmony_ci
2353e41f4b71Sopenharmony_ci**错误码:**
2354e41f4b71Sopenharmony_ci
2355e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
2356e41f4b71Sopenharmony_ci
2357e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2358e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2359e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2360e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
2361e41f4b71Sopenharmony_ci
2362e41f4b71Sopenharmony_ci**示例:**
2363e41f4b71Sopenharmony_ci
2364e41f4b71Sopenharmony_ci  ```ts
2365e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
2366e41f4b71Sopenharmony_ci
2367e41f4b71Sopenharmony_ci  try {
2368e41f4b71Sopenharmony_ci    let matchedLocaleId: string = i18n.I18NUtil.getBestMatchLocale("zh-Hans-CN", ["en-Latn-US", "en-GB", "zh-Hant-CN", "zh-Hans-MO"]);  // matchedLocaleId = "zh-Hans-MO"
2369e41f4b71Sopenharmony_ci  } catch(error) {
2370e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
2371e41f4b71Sopenharmony_ci    console.error(`call I18NUtil.getBestMatchLocale failed, error code: ${err.code}, message: ${err.message}.`);
2372e41f4b71Sopenharmony_ci  }
2373e41f4b71Sopenharmony_ci  ```
2374e41f4b71Sopenharmony_ci
2375e41f4b71Sopenharmony_ci### getThreeLetterLanguage<sup>12+</sup>
2376e41f4b71Sopenharmony_ci
2377e41f4b71Sopenharmony_cistatic getThreeLetterLanguage(locale: string): string
2378e41f4b71Sopenharmony_ci
2379e41f4b71Sopenharmony_ci将语言代码由二字母转换为三字母。<br>例如,中文的二字母语言代码是zh,对应的三字母语言代码是zho,更多详细信息可参考[ISO 639](https://www.iso.org/iso-639-language-code)。
2380e41f4b71Sopenharmony_ci
2381e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2382e41f4b71Sopenharmony_ci
2383e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2384e41f4b71Sopenharmony_ci
2385e41f4b71Sopenharmony_ci**参数:**
2386e41f4b71Sopenharmony_ci
2387e41f4b71Sopenharmony_ci| 参数名 | 类型   | 必填 | 说明                     |
2388e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------ |
2389e41f4b71Sopenharmony_ci| locale | string | 是   | 待转换的语言二字母代码,如:zh。 |
2390e41f4b71Sopenharmony_ci
2391e41f4b71Sopenharmony_ci**错误码:**
2392e41f4b71Sopenharmony_ci
2393e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
2394e41f4b71Sopenharmony_ci
2395e41f4b71Sopenharmony_ci| 错误码ID | 错误信息                                                     |
2396e41f4b71Sopenharmony_ci| -------- | ------------------------------------------------------------ |
2397e41f4b71Sopenharmony_ci| 401      | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2398e41f4b71Sopenharmony_ci| 890001   | Invalid parameter. Possible causes: Parameter verification failed. |
2399e41f4b71Sopenharmony_ci
2400e41f4b71Sopenharmony_ci**示例:**
2401e41f4b71Sopenharmony_ci
2402e41f4b71Sopenharmony_ci  ```ts
2403e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
2404e41f4b71Sopenharmony_ci
2405e41f4b71Sopenharmony_ci  try {
2406e41f4b71Sopenharmony_ci    let language : string = i18n.I18NUtil.getThreeLetterLanguage('zh')  // zho
2407e41f4b71Sopenharmony_ci  } catch(error) {
2408e41f4b71Sopenharmony_ci    console.error(`call I18NUtil.getThreeLetterLanguage failed, error code: ${error.code}, message: ${error.message}.`);
2409e41f4b71Sopenharmony_ci  }
2410e41f4b71Sopenharmony_ci  ```
2411e41f4b71Sopenharmony_ci
2412e41f4b71Sopenharmony_ci### getThreeLetterRegion<sup>12+</sup>
2413e41f4b71Sopenharmony_ci
2414e41f4b71Sopenharmony_cistatic getThreeLetterRegion(locale: string): string
2415e41f4b71Sopenharmony_ci
2416e41f4b71Sopenharmony_ci将地区的二字母代码转换为三字母。<br>例如,中国的二字母地区代码是CN, 三字母是CHN,更多详细信息可参考[ISO 3166](https://www.iso.org/iso-3166-country-codes.html)。
2417e41f4b71Sopenharmony_ci
2418e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2419e41f4b71Sopenharmony_ci
2420e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2421e41f4b71Sopenharmony_ci
2422e41f4b71Sopenharmony_ci**参数:**
2423e41f4b71Sopenharmony_ci
2424e41f4b71Sopenharmony_ci| 参数名 | 类型   | 必填 | 说明                     |
2425e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------ |
2426e41f4b71Sopenharmony_ci| locale | string | 是   | 待转换的地区二字母代码,如:CN。 |
2427e41f4b71Sopenharmony_ci
2428e41f4b71Sopenharmony_ci**错误码:**
2429e41f4b71Sopenharmony_ci
2430e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
2431e41f4b71Sopenharmony_ci
2432e41f4b71Sopenharmony_ci| 错误码ID | 错误信息                                                     |
2433e41f4b71Sopenharmony_ci| -------- | ------------------------------------------------------------ |
2434e41f4b71Sopenharmony_ci| 401      | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2435e41f4b71Sopenharmony_ci| 890001   | Invalid parameter. Possible causes: Parameter verification failed. |
2436e41f4b71Sopenharmony_ci
2437e41f4b71Sopenharmony_ci**示例:**
2438e41f4b71Sopenharmony_ci
2439e41f4b71Sopenharmony_ci  ```ts
2440e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
2441e41f4b71Sopenharmony_ci
2442e41f4b71Sopenharmony_ci  try {
2443e41f4b71Sopenharmony_ci    let region : string = i18n.I18NUtil.getThreeLetterRegion('CN')  // CHN
2444e41f4b71Sopenharmony_ci  } catch(error) {
2445e41f4b71Sopenharmony_ci    console.error(`call I18NUtil.getThreeLetterRegion failed, error code: ${error.code}, message: ${error.message}.`);
2446e41f4b71Sopenharmony_ci  }
2447e41f4b71Sopenharmony_ci  ```
2448e41f4b71Sopenharmony_ci
2449e41f4b71Sopenharmony_ci## Normalizer<sup>10+</sup>
2450e41f4b71Sopenharmony_ci
2451e41f4b71Sopenharmony_ci
2452e41f4b71Sopenharmony_ci### getInstance<sup>10+</sup>
2453e41f4b71Sopenharmony_ci
2454e41f4b71Sopenharmony_cistatic getInstance(mode: NormalizerMode): Normalizer
2455e41f4b71Sopenharmony_ci
2456e41f4b71Sopenharmony_ci获取文本正则化对象。
2457e41f4b71Sopenharmony_ci
2458e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2459e41f4b71Sopenharmony_ci
2460e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2461e41f4b71Sopenharmony_ci
2462e41f4b71Sopenharmony_ci**参数:**
2463e41f4b71Sopenharmony_ci
2464e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                        |
2465e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------- |
2466e41f4b71Sopenharmony_ci| mode | [NormalizerMode](#normalizermode10) | 是    | 文本正则化范式。 |
2467e41f4b71Sopenharmony_ci
2468e41f4b71Sopenharmony_ci**返回值:**
2469e41f4b71Sopenharmony_ci
2470e41f4b71Sopenharmony_ci| 类型     | 说明                  |
2471e41f4b71Sopenharmony_ci| ------ | ------------------- |
2472e41f4b71Sopenharmony_ci| [Normalizer](#normalizer10) | 返回指定范式的文本正则化对象。 |
2473e41f4b71Sopenharmony_ci
2474e41f4b71Sopenharmony_ci**错误码:**
2475e41f4b71Sopenharmony_ci
2476e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)。
2477e41f4b71Sopenharmony_ci
2478e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2479e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2480e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2481e41f4b71Sopenharmony_ci
2482e41f4b71Sopenharmony_ci**示例:**
2483e41f4b71Sopenharmony_ci  ```ts
2484e41f4b71Sopenharmony_ci  let normalizer: i18n.Normalizer = i18n.Normalizer.getInstance(i18n.NormalizerMode.NFC);
2485e41f4b71Sopenharmony_ci  ```
2486e41f4b71Sopenharmony_ci
2487e41f4b71Sopenharmony_ci
2488e41f4b71Sopenharmony_ci### normalize<sup>10+</sup>
2489e41f4b71Sopenharmony_ci
2490e41f4b71Sopenharmony_cinormalize(text: string): string
2491e41f4b71Sopenharmony_ci
2492e41f4b71Sopenharmony_ci对字符串进行正则化。
2493e41f4b71Sopenharmony_ci
2494e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2495e41f4b71Sopenharmony_ci
2496e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2497e41f4b71Sopenharmony_ci
2498e41f4b71Sopenharmony_ci**参数:**
2499e41f4b71Sopenharmony_ci
2500e41f4b71Sopenharmony_ci| 参数名    | 类型     | 必填   | 说明                        |
2501e41f4b71Sopenharmony_ci| ------ | ------ | ---- | ------------------------- |
2502e41f4b71Sopenharmony_ci| text | string | 是    | 待正则化的字符串。 |
2503e41f4b71Sopenharmony_ci
2504e41f4b71Sopenharmony_ci**返回值:**
2505e41f4b71Sopenharmony_ci
2506e41f4b71Sopenharmony_ci| 类型     | 说明                  |
2507e41f4b71Sopenharmony_ci| ------ | ------------------- |
2508e41f4b71Sopenharmony_ci| string | 正则化后的字符串。 |
2509e41f4b71Sopenharmony_ci
2510e41f4b71Sopenharmony_ci**错误码:**
2511e41f4b71Sopenharmony_ci
2512e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)。
2513e41f4b71Sopenharmony_ci
2514e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2515e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2516e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2517e41f4b71Sopenharmony_ci
2518e41f4b71Sopenharmony_ci**示例:**
2519e41f4b71Sopenharmony_ci  ```ts
2520e41f4b71Sopenharmony_ci  let normalizer: i18n.Normalizer = i18n.Normalizer.getInstance(i18n.NormalizerMode.NFC);
2521e41f4b71Sopenharmony_ci  let normalizedText: string = normalizer.normalize('\u1E9B\u0323'); // normalizedText = ẛ̣
2522e41f4b71Sopenharmony_ci  ```
2523e41f4b71Sopenharmony_ci
2524e41f4b71Sopenharmony_ci## NormalizerMode<sup>10+</sup>
2525e41f4b71Sopenharmony_ci
2526e41f4b71Sopenharmony_ci文本正则化范式的枚举。
2527e41f4b71Sopenharmony_ci
2528e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2529e41f4b71Sopenharmony_ci
2530e41f4b71Sopenharmony_ci**系统能力:** :SystemCapability.Global.I18n
2531e41f4b71Sopenharmony_ci
2532e41f4b71Sopenharmony_ci| 名称 | 值 | 说明 |
2533e41f4b71Sopenharmony_ci| -------- | -------- | -------- |
2534e41f4b71Sopenharmony_ci| NFC | 1 | NFC范式。 |
2535e41f4b71Sopenharmony_ci| NFD | 2 | NFD范式。 |
2536e41f4b71Sopenharmony_ci| NFKC | 3 | NFKC范式。 |
2537e41f4b71Sopenharmony_ci| NFKD | 4 | NFKD范式。 |
2538e41f4b71Sopenharmony_ci
2539e41f4b71Sopenharmony_ci
2540e41f4b71Sopenharmony_ci## HolidayManager<sup>11+</sup>
2541e41f4b71Sopenharmony_ci
2542e41f4b71Sopenharmony_ci
2543e41f4b71Sopenharmony_ci### constructor<sup>11+</sup>
2544e41f4b71Sopenharmony_ci
2545e41f4b71Sopenharmony_ciconstructor(icsPath: String)
2546e41f4b71Sopenharmony_ci
2547e41f4b71Sopenharmony_ci创建HolidayManager对象。
2548e41f4b71Sopenharmony_ci
2549e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2550e41f4b71Sopenharmony_ci
2551e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2552e41f4b71Sopenharmony_ci
2553e41f4b71Sopenharmony_ci**参数:**
2554e41f4b71Sopenharmony_ci
2555e41f4b71Sopenharmony_ci|   参数名  |      类型      | 必填 |     说明      |
2556e41f4b71Sopenharmony_ci| --------- | ------------- | ---- | ------------- |
2557e41f4b71Sopenharmony_ci| icsPath   | String | 是   | 在设备上有应用读取权限的iCalendar格式的ics文件路径。  |
2558e41f4b71Sopenharmony_ci
2559e41f4b71Sopenharmony_ci**错误码:**
2560e41f4b71Sopenharmony_ci
2561e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
2562e41f4b71Sopenharmony_ci
2563e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2564e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2565e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2566e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
2567e41f4b71Sopenharmony_ci
2568e41f4b71Sopenharmony_ci**示例:**
2569e41f4b71Sopenharmony_ci  ```ts
2570e41f4b71Sopenharmony_ci  let holidayManager= new i18n.HolidayManager("/system/lib/US.ics");
2571e41f4b71Sopenharmony_ci  ```
2572e41f4b71Sopenharmony_ci
2573e41f4b71Sopenharmony_ci### isHoliday<sup>11+</sup>
2574e41f4b71Sopenharmony_ci
2575e41f4b71Sopenharmony_ciisHoliday(date?: Date): boolean
2576e41f4b71Sopenharmony_ci
2577e41f4b71Sopenharmony_ci判断指定的日期是否是节假日。
2578e41f4b71Sopenharmony_ci
2579e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2580e41f4b71Sopenharmony_ci
2581e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2582e41f4b71Sopenharmony_ci
2583e41f4b71Sopenharmony_ci**参数:**
2584e41f4b71Sopenharmony_ci
2585e41f4b71Sopenharmony_ci|   参数名  |      类型      | 必填 |     说明      |
2586e41f4b71Sopenharmony_ci| --------- | ---------------| ---- | ------------- |
2587e41f4b71Sopenharmony_ci| date      | Date           | 否   | Date对象。<br>如果没有指定日期,默认为当天。|
2588e41f4b71Sopenharmony_ci
2589e41f4b71Sopenharmony_ci**返回值:**
2590e41f4b71Sopenharmony_ci
2591e41f4b71Sopenharmony_ci|       类型        |         说明          |
2592e41f4b71Sopenharmony_ci| ----------------- | ----------------------|
2593e41f4b71Sopenharmony_ci| boolean           | 返回true是节假日,返回false不是节假日。 |
2594e41f4b71Sopenharmony_ci
2595e41f4b71Sopenharmony_ci**错误码:**
2596e41f4b71Sopenharmony_ci
2597e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)。
2598e41f4b71Sopenharmony_ci
2599e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2600e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2601e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2602e41f4b71Sopenharmony_ci
2603e41f4b71Sopenharmony_ci**示例:**
2604e41f4b71Sopenharmony_ci  ```ts
2605e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
2606e41f4b71Sopenharmony_ci
2607e41f4b71Sopenharmony_ci  try {
2608e41f4b71Sopenharmony_ci    let holidayManager= new i18n.HolidayManager("/system/lib/US.ics");
2609e41f4b71Sopenharmony_ci    let isHoliday = holidayManager.isHoliday();
2610e41f4b71Sopenharmony_ci    console.log(isHoliday.toString());
2611e41f4b71Sopenharmony_ci    let isHoliday2 = holidayManager.isHoliday(new Date(2023,5,25));
2612e41f4b71Sopenharmony_ci    console.log(isHoliday2.toString());
2613e41f4b71Sopenharmony_ci  } catch(error) {
2614e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
2615e41f4b71Sopenharmony_ci    console.error(`call holidayManager.isHoliday failed, error code: ${err.code}, message: ${err.message}.`);
2616e41f4b71Sopenharmony_ci  }
2617e41f4b71Sopenharmony_ci  ```
2618e41f4b71Sopenharmony_ci
2619e41f4b71Sopenharmony_ci
2620e41f4b71Sopenharmony_ci### getHolidayInfoItemArray<sup>11+</sup>
2621e41f4b71Sopenharmony_ci
2622e41f4b71Sopenharmony_cigetHolidayInfoItemArray(year?: number): Array&lt;[HolidayInfoItem](#holidayinfoitem11)&gt;
2623e41f4b71Sopenharmony_ci
2624e41f4b71Sopenharmony_ci获取指定年的节假日信息列表。
2625e41f4b71Sopenharmony_ci
2626e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2627e41f4b71Sopenharmony_ci
2628e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2629e41f4b71Sopenharmony_ci
2630e41f4b71Sopenharmony_ci**参数:**
2631e41f4b71Sopenharmony_ci
2632e41f4b71Sopenharmony_ci|   参数名  |      类型      | 必填 |     说明      |
2633e41f4b71Sopenharmony_ci| --------- | -------------  | ---- | ------------- |
2634e41f4b71Sopenharmony_ci| year      | number         | 否   | 年,例如2023。<br>如果没有指定年,默认为当年。|
2635e41f4b71Sopenharmony_ci
2636e41f4b71Sopenharmony_ci**返回值:**
2637e41f4b71Sopenharmony_ci
2638e41f4b71Sopenharmony_ci|       类型        |         说明          |
2639e41f4b71Sopenharmony_ci| ----------------- | -------------------- |
2640e41f4b71Sopenharmony_ci| Array&lt;[HolidayInfoItem](#holidayinfoitem11)&gt; | 返回节假日信息列表。 |
2641e41f4b71Sopenharmony_ci
2642e41f4b71Sopenharmony_ci**错误码:**
2643e41f4b71Sopenharmony_ci
2644e41f4b71Sopenharmony_ci以下错误码的详细介绍请参见[ohos.i18n错误码](errorcode-i18n.md)和[通用错误码](../errorcode-universal.md)。
2645e41f4b71Sopenharmony_ci
2646e41f4b71Sopenharmony_ci| 错误码ID  | 错误信息                   |
2647e41f4b71Sopenharmony_ci| ------ | ---------------------- |
2648e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified; 2.Incorrect parameter types. |
2649e41f4b71Sopenharmony_ci| 890001 | Invalid parameter. Possible causes: Parameter verification failed. |
2650e41f4b71Sopenharmony_ci
2651e41f4b71Sopenharmony_ci**示例:**
2652e41f4b71Sopenharmony_ci  ```ts
2653e41f4b71Sopenharmony_ci  import { BusinessError } from '@kit.BasicServicesKit';
2654e41f4b71Sopenharmony_ci
2655e41f4b71Sopenharmony_ci  try {
2656e41f4b71Sopenharmony_ci    let holidayManager= new i18n.HolidayManager("/system/lib/US.ics");
2657e41f4b71Sopenharmony_ci    let holidayInfoItemArray = holidayManager.getHolidayInfoItemArray(2023);
2658e41f4b71Sopenharmony_ci    for (let i =0; i < holidayInfoItemArray.length; i++) {
2659e41f4b71Sopenharmony_ci        console.log(JSON.stringify(holidayInfoItemArray[i]));
2660e41f4b71Sopenharmony_ci    }
2661e41f4b71Sopenharmony_ci  } catch(error) {
2662e41f4b71Sopenharmony_ci    let err: BusinessError = error as BusinessError;
2663e41f4b71Sopenharmony_ci    console.error(`call holidayManager.getHolidayInfoItemArray failed, error code: ${err.code}, message: ${err.message}.`);
2664e41f4b71Sopenharmony_ci  }
2665e41f4b71Sopenharmony_ci  ```
2666e41f4b71Sopenharmony_ci
2667e41f4b71Sopenharmony_ci## HolidayInfoItem<sup>11+</sup>
2668e41f4b71Sopenharmony_ci
2669e41f4b71Sopenharmony_ci节假日信息。
2670e41f4b71Sopenharmony_ci
2671e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2672e41f4b71Sopenharmony_ci
2673e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2674e41f4b71Sopenharmony_ci
2675e41f4b71Sopenharmony_ci| 名称            | 类型             |  必填   |  说明                                   |
2676e41f4b71Sopenharmony_ci| --------------- | --------------- | ------  | --------------------------------------- |
2677e41f4b71Sopenharmony_ci| baseName        | string          |   是    | 节假日的英文名称。              |
2678e41f4b71Sopenharmony_ci| year            | number          |   是    | 节假日所在年。                   |
2679e41f4b71Sopenharmony_ci| month           | number          |   是    | 节假日所在月。          |
2680e41f4b71Sopenharmony_ci| day             | number          |   是    | 节假日所在日。                         |
2681e41f4b71Sopenharmony_ci| localNames      | Array&lt;[HolidayLocalName](#holidaylocalname11)&gt;          |   否    | 节假日的本地名称列表。          |
2682e41f4b71Sopenharmony_ci
2683e41f4b71Sopenharmony_ci## HolidayLocalName<sup>11+</sup>
2684e41f4b71Sopenharmony_ci
2685e41f4b71Sopenharmony_ci节假日本地名称。
2686e41f4b71Sopenharmony_ci
2687e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 12开始,该接口支持在原子化服务中使用。
2688e41f4b71Sopenharmony_ci
2689e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2690e41f4b71Sopenharmony_ci
2691e41f4b71Sopenharmony_ci| 名称            | 类型             |  必填   |  说明                                   |
2692e41f4b71Sopenharmony_ci| --------------- | -----------------| ------  | --------------------------------------- |
2693e41f4b71Sopenharmony_ci| language        | string           |   是    | 节假日的本地语言,例如ar,en,tr。          |
2694e41f4b71Sopenharmony_ci| name            | string           |   是    | 节假日的本地名称,例如Sacrifice Feast(宰牲节)的土耳其语名称为Kurban Bayrami。      |
2695e41f4b71Sopenharmony_ci
2696e41f4b71Sopenharmony_ci
2697e41f4b71Sopenharmony_ci## i18n.getDisplayCountry<sup>(deprecated)</sup>
2698e41f4b71Sopenharmony_ci
2699e41f4b71Sopenharmony_cigetDisplayCountry(country: string, locale: string, sentenceCase?: boolean): string
2700e41f4b71Sopenharmony_ci
2701e41f4b71Sopenharmony_ci获取指定国家的本地化显示文本。
2702e41f4b71Sopenharmony_ci
2703e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.getDisplayCountry](#getdisplaycountry9)代替。
2704e41f4b71Sopenharmony_ci
2705e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2706e41f4b71Sopenharmony_ci
2707e41f4b71Sopenharmony_ci**参数:**
2708e41f4b71Sopenharmony_ci
2709e41f4b71Sopenharmony_ci| 参数名          | 类型      | 必填   | 说明               |
2710e41f4b71Sopenharmony_ci| ------------ | ------- | ---- | ---------------- |
2711e41f4b71Sopenharmony_ci| country      | string  | 是    | 指定国家。            |
2712e41f4b71Sopenharmony_ci| locale       | string  | 是    | 显示指定国家的区域ID。     |
2713e41f4b71Sopenharmony_ci| sentenceCase | boolean | 否    | 本地化显示文本是否要首字母大写。默认值:true。 |
2714e41f4b71Sopenharmony_ci
2715e41f4b71Sopenharmony_ci**返回值:**
2716e41f4b71Sopenharmony_ci
2717e41f4b71Sopenharmony_ci| 类型     | 说明            |
2718e41f4b71Sopenharmony_ci| ------ | ------------- |
2719e41f4b71Sopenharmony_ci| string | 指定国家的本地化显示文本。 |
2720e41f4b71Sopenharmony_ci
2721e41f4b71Sopenharmony_ci**示例:**
2722e41f4b71Sopenharmony_ci  ```ts
2723e41f4b71Sopenharmony_ci  let countryName: string = i18n.getDisplayCountry("zh-CN", "en-GB", true); // countryName = China
2724e41f4b71Sopenharmony_ci  countryName = i18n.getDisplayCountry("zh-CN", "en-GB"); // countryName = China
2725e41f4b71Sopenharmony_ci  ```
2726e41f4b71Sopenharmony_ci
2727e41f4b71Sopenharmony_ci## i18n.getDisplayCountry<sup>(deprecated)</sup>
2728e41f4b71Sopenharmony_ci
2729e41f4b71Sopenharmony_cigetDisplayCountry(country: string, locale: string, sentenceCase?: boolean): string
2730e41f4b71Sopenharmony_ci
2731e41f4b71Sopenharmony_ci获取指定国家的本地化显示文本。
2732e41f4b71Sopenharmony_ci
2733e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.getDisplayCountry](#getdisplaycountry9)代替。
2734e41f4b71Sopenharmony_ci
2735e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2736e41f4b71Sopenharmony_ci
2737e41f4b71Sopenharmony_ci**参数:**
2738e41f4b71Sopenharmony_ci
2739e41f4b71Sopenharmony_ci| 参数名          | 类型      | 必填   | 说明               |
2740e41f4b71Sopenharmony_ci| ------------ | ------- | ---- | ---------------- |
2741e41f4b71Sopenharmony_ci| country      | string  | 是    | 指定国家。            |
2742e41f4b71Sopenharmony_ci| locale       | string  | 是    | 显示指定国家的区域ID。     |
2743e41f4b71Sopenharmony_ci| sentenceCase | boolean | 否    | 本地化显示文本是否要首字母大写。默认值:true。 |
2744e41f4b71Sopenharmony_ci
2745e41f4b71Sopenharmony_ci**返回值:**
2746e41f4b71Sopenharmony_ci
2747e41f4b71Sopenharmony_ci| 类型     | 说明            |
2748e41f4b71Sopenharmony_ci| ------ | ------------- |
2749e41f4b71Sopenharmony_ci| string | 指定国家的本地化显示文本。 |
2750e41f4b71Sopenharmony_ci
2751e41f4b71Sopenharmony_ci**示例:**
2752e41f4b71Sopenharmony_ci  ```ts
2753e41f4b71Sopenharmony_ci  let countryName: string = i18n.getDisplayCountry("zh-CN", "en-GB", true); // countryName = China
2754e41f4b71Sopenharmony_ci  countryName = i18n.getDisplayCountry("zh-CN", "en-GB"); // countryName = China
2755e41f4b71Sopenharmony_ci  ```
2756e41f4b71Sopenharmony_ci
2757e41f4b71Sopenharmony_ci
2758e41f4b71Sopenharmony_ci## i18n.getDisplayLanguage<sup>(deprecated)</sup>
2759e41f4b71Sopenharmony_ci
2760e41f4b71Sopenharmony_cigetDisplayLanguage(language: string, locale: string, sentenceCase?: boolean): string
2761e41f4b71Sopenharmony_ci
2762e41f4b71Sopenharmony_ci获取指定语言的本地化显示文本。
2763e41f4b71Sopenharmony_ci
2764e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.getDisplayLanguage](#getdisplaylanguage9)代替。
2765e41f4b71Sopenharmony_ci
2766e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2767e41f4b71Sopenharmony_ci
2768e41f4b71Sopenharmony_ci**参数:**
2769e41f4b71Sopenharmony_ci
2770e41f4b71Sopenharmony_ci| 参数名          | 类型      | 必填   | 说明               |
2771e41f4b71Sopenharmony_ci| ------------ | ------- | ---- | ---------------- |
2772e41f4b71Sopenharmony_ci| language     | string  | 是    | 指定语言。            |
2773e41f4b71Sopenharmony_ci| locale       | string  | 是    | 显示指定语言的区域ID。     |
2774e41f4b71Sopenharmony_ci| sentenceCase | boolean | 否    | 本地化显示文本是否要首字母大写。默认值:true。 |
2775e41f4b71Sopenharmony_ci
2776e41f4b71Sopenharmony_ci**返回值:**
2777e41f4b71Sopenharmony_ci
2778e41f4b71Sopenharmony_ci| 类型     | 说明            |
2779e41f4b71Sopenharmony_ci| ------ | ------------- |
2780e41f4b71Sopenharmony_ci| string | 指定语言的本地化显示文本。 |
2781e41f4b71Sopenharmony_ci
2782e41f4b71Sopenharmony_ci**示例:**
2783e41f4b71Sopenharmony_ci  ```ts
2784e41f4b71Sopenharmony_ci  let languageName: string = i18n.getDisplayLanguage("zh", "en-GB", true); // languageName = "Chinese"
2785e41f4b71Sopenharmony_ci  languageName = i18n.getDisplayLanguage("zh", "en-GB"); // languageName = "Chinese"
2786e41f4b71Sopenharmony_ci  ```
2787e41f4b71Sopenharmony_ci
2788e41f4b71Sopenharmony_ci
2789e41f4b71Sopenharmony_ci## i18n.getSystemLanguage<sup>(deprecated)</sup>
2790e41f4b71Sopenharmony_ci
2791e41f4b71Sopenharmony_cigetSystemLanguage(): string
2792e41f4b71Sopenharmony_ci
2793e41f4b71Sopenharmony_ci获取系统语言。
2794e41f4b71Sopenharmony_ci
2795e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.getSystemLanguage](#getsystemlanguage9)代替。
2796e41f4b71Sopenharmony_ci
2797e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2798e41f4b71Sopenharmony_ci
2799e41f4b71Sopenharmony_ci**返回值:**
2800e41f4b71Sopenharmony_ci
2801e41f4b71Sopenharmony_ci| 类型     | 说明      |
2802e41f4b71Sopenharmony_ci| ------ | ------- |
2803e41f4b71Sopenharmony_ci| string | 系统语言ID。 |
2804e41f4b71Sopenharmony_ci
2805e41f4b71Sopenharmony_ci**示例:**
2806e41f4b71Sopenharmony_ci  ```ts
2807e41f4b71Sopenharmony_ci  let systemLanguage: string = i18n.getSystemLanguage(); // 返回当前系统语言
2808e41f4b71Sopenharmony_ci  ```
2809e41f4b71Sopenharmony_ci
2810e41f4b71Sopenharmony_ci
2811e41f4b71Sopenharmony_ci## i18n.getSystemRegion<sup>(deprecated)</sup>
2812e41f4b71Sopenharmony_ci
2813e41f4b71Sopenharmony_cigetSystemRegion(): string
2814e41f4b71Sopenharmony_ci
2815e41f4b71Sopenharmony_ci获取系统地区。
2816e41f4b71Sopenharmony_ci
2817e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.getSystemRegion](#getsystemregion9)代替。
2818e41f4b71Sopenharmony_ci
2819e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2820e41f4b71Sopenharmony_ci
2821e41f4b71Sopenharmony_ci**返回值:**
2822e41f4b71Sopenharmony_ci
2823e41f4b71Sopenharmony_ci| 类型     | 说明      |
2824e41f4b71Sopenharmony_ci| ------ | ------- |
2825e41f4b71Sopenharmony_ci| string | 系统地区ID。 |
2826e41f4b71Sopenharmony_ci
2827e41f4b71Sopenharmony_ci**示例:**
2828e41f4b71Sopenharmony_ci  ```ts
2829e41f4b71Sopenharmony_ci  let region: string = i18n.getSystemRegion(); // 返回当前系统地区
2830e41f4b71Sopenharmony_ci  ```
2831e41f4b71Sopenharmony_ci
2832e41f4b71Sopenharmony_ci
2833e41f4b71Sopenharmony_ci## i18n.getSystemLocale<sup>(deprecated)</sup>
2834e41f4b71Sopenharmony_ci
2835e41f4b71Sopenharmony_cigetSystemLocale(): string
2836e41f4b71Sopenharmony_ci
2837e41f4b71Sopenharmony_ci获取系统区域。
2838e41f4b71Sopenharmony_ci
2839e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.getSystemLocale](#getsystemlocale9)代替。
2840e41f4b71Sopenharmony_ci
2841e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2842e41f4b71Sopenharmony_ci
2843e41f4b71Sopenharmony_ci**返回值:**
2844e41f4b71Sopenharmony_ci
2845e41f4b71Sopenharmony_ci| 类型     | 说明      |
2846e41f4b71Sopenharmony_ci| ------ | ------- |
2847e41f4b71Sopenharmony_ci| string | 系统区域ID。 |
2848e41f4b71Sopenharmony_ci
2849e41f4b71Sopenharmony_ci**示例:**
2850e41f4b71Sopenharmony_ci  ```ts
2851e41f4b71Sopenharmony_ci  let locale: string = i18n.getSystemLocale(); // 返回系统Locale
2852e41f4b71Sopenharmony_ci  ```
2853e41f4b71Sopenharmony_ci
2854e41f4b71Sopenharmony_ci
2855e41f4b71Sopenharmony_ci## i18n.is24HourClock<sup>(deprecated)</sup>
2856e41f4b71Sopenharmony_ci
2857e41f4b71Sopenharmony_ciis24HourClock(): boolean
2858e41f4b71Sopenharmony_ci
2859e41f4b71Sopenharmony_ci判断系统时间是否为24小时制。
2860e41f4b71Sopenharmony_ci
2861e41f4b71Sopenharmony_ci从API version 9开始不再维护,建议使用[System.is24HourClock](#is24hourclock9)代替。
2862e41f4b71Sopenharmony_ci
2863e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2864e41f4b71Sopenharmony_ci
2865e41f4b71Sopenharmony_ci**返回值:**
2866e41f4b71Sopenharmony_ci
2867e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
2868e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
2869e41f4b71Sopenharmony_ci| boolean | 返回true,表示系统24小时开关开启;返回false,表示系统24小时开关关闭。 |
2870e41f4b71Sopenharmony_ci
2871e41f4b71Sopenharmony_ci**示例:**
2872e41f4b71Sopenharmony_ci  ```ts
2873e41f4b71Sopenharmony_ci  let is24HourClock: boolean = i18n.is24HourClock();
2874e41f4b71Sopenharmony_ci  ```
2875e41f4b71Sopenharmony_ci
2876e41f4b71Sopenharmony_ci
2877e41f4b71Sopenharmony_ci## i18n.set24HourClock<sup>(deprecated)</sup>
2878e41f4b71Sopenharmony_ci
2879e41f4b71Sopenharmony_ciset24HourClock(option: boolean): boolean
2880e41f4b71Sopenharmony_ci
2881e41f4b71Sopenharmony_ci修改系统时间的24小时制设置。
2882e41f4b71Sopenharmony_ci
2883e41f4b71Sopenharmony_ci从API version 9开始不再维护,替代接口仅支持系统应用使用。
2884e41f4b71Sopenharmony_ci
2885e41f4b71Sopenharmony_ci**需要权限**:ohos.permission.UPDATE_CONFIGURATION
2886e41f4b71Sopenharmony_ci
2887e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2888e41f4b71Sopenharmony_ci
2889e41f4b71Sopenharmony_ci**参数:**
2890e41f4b71Sopenharmony_ci
2891e41f4b71Sopenharmony_ci| 参数名    | 类型      | 必填   | 说明                                       |
2892e41f4b71Sopenharmony_ci| ------ | ------- | ---- | ---------------------------------------- |
2893e41f4b71Sopenharmony_ci| option | boolean | 是    | option为true,表示开启系统24小时制开关;返回false,表示关闭系统24小时开关。 |
2894e41f4b71Sopenharmony_ci
2895e41f4b71Sopenharmony_ci**返回值:**
2896e41f4b71Sopenharmony_ci
2897e41f4b71Sopenharmony_ci| 类型      | 说明                            |
2898e41f4b71Sopenharmony_ci| ------- | ----------------------------- |
2899e41f4b71Sopenharmony_ci| boolean | 返回true,表示修改成功;返回false,表示修改失败。 |
2900e41f4b71Sopenharmony_ci
2901e41f4b71Sopenharmony_ci**示例:**
2902e41f4b71Sopenharmony_ci  ```ts
2903e41f4b71Sopenharmony_ci  // 将系统时间设置为24小时制
2904e41f4b71Sopenharmony_ci  let success: boolean = i18n.set24HourClock(true);
2905e41f4b71Sopenharmony_ci  ```
2906e41f4b71Sopenharmony_ci
2907e41f4b71Sopenharmony_ci
2908e41f4b71Sopenharmony_ci## i18n.addPreferredLanguage<sup>(deprecated)</sup>
2909e41f4b71Sopenharmony_ci
2910e41f4b71Sopenharmony_ciaddPreferredLanguage(language: string, index?: number): boolean
2911e41f4b71Sopenharmony_ci
2912e41f4b71Sopenharmony_ci在系统偏好语言列表中的指定位置添加偏好语言。
2913e41f4b71Sopenharmony_ci
2914e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,替代接口仅支持系统应用使用。
2915e41f4b71Sopenharmony_ci
2916e41f4b71Sopenharmony_ci**需要权限**:ohos.permission.UPDATE_CONFIGURATION
2917e41f4b71Sopenharmony_ci
2918e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2919e41f4b71Sopenharmony_ci
2920e41f4b71Sopenharmony_ci**参数:**
2921e41f4b71Sopenharmony_ci
2922e41f4b71Sopenharmony_ci| 参数名      | 类型     | 必填   | 说明         |
2923e41f4b71Sopenharmony_ci| -------- | ------ | ---- | ---------- |
2924e41f4b71Sopenharmony_ci| language | string | 是    | 待添加的偏好语言。  |
2925e41f4b71Sopenharmony_ci| index    | number | 否    | 偏好语言的添加位置。默认值:系统偏好语言列表长度。 |
2926e41f4b71Sopenharmony_ci
2927e41f4b71Sopenharmony_ci**返回值:**
2928e41f4b71Sopenharmony_ci
2929e41f4b71Sopenharmony_ci| 类型      | 说明                            |
2930e41f4b71Sopenharmony_ci| ------- | ----------------------------- |
2931e41f4b71Sopenharmony_ci| boolean | 返回true,表示添加成功;返回false,表示添加失败。 |
2932e41f4b71Sopenharmony_ci
2933e41f4b71Sopenharmony_ci**示例:**
2934e41f4b71Sopenharmony_ci  ```ts
2935e41f4b71Sopenharmony_ci  // 将语言zh-CN添加到系统偏好语言列表中
2936e41f4b71Sopenharmony_ci  let language: string = 'zh-CN';
2937e41f4b71Sopenharmony_ci  let index: number = 0;
2938e41f4b71Sopenharmony_ci  let success: boolean = i18n.addPreferredLanguage(language, index);
2939e41f4b71Sopenharmony_ci  ```
2940e41f4b71Sopenharmony_ci
2941e41f4b71Sopenharmony_ci
2942e41f4b71Sopenharmony_ci## i18n.removePreferredLanguage<sup>(deprecated)</sup>
2943e41f4b71Sopenharmony_ci
2944e41f4b71Sopenharmony_ciremovePreferredLanguage(index: number): boolean
2945e41f4b71Sopenharmony_ci
2946e41f4b71Sopenharmony_ci删除系统偏好语言列表中指定位置的偏好语言。
2947e41f4b71Sopenharmony_ci
2948e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,替代接口仅支持系统应用使用。
2949e41f4b71Sopenharmony_ci
2950e41f4b71Sopenharmony_ci**需要权限**:ohos.permission.UPDATE_CONFIGURATION
2951e41f4b71Sopenharmony_ci
2952e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2953e41f4b71Sopenharmony_ci
2954e41f4b71Sopenharmony_ci**参数:**
2955e41f4b71Sopenharmony_ci
2956e41f4b71Sopenharmony_ci| 参数名   | 类型     | 必填   | 说明                    |
2957e41f4b71Sopenharmony_ci| ----- | ------ | ---- | --------------------- |
2958e41f4b71Sopenharmony_ci| index | number | 是    | 待删除偏好语言在系统偏好语言列表中的位置。 |
2959e41f4b71Sopenharmony_ci
2960e41f4b71Sopenharmony_ci**返回值:**
2961e41f4b71Sopenharmony_ci
2962e41f4b71Sopenharmony_ci| 类型      | 说明                            |
2963e41f4b71Sopenharmony_ci| ------- | ----------------------------- |
2964e41f4b71Sopenharmony_ci| boolean | 返回true,表示删除成功;返回false,表示删除失败。 |
2965e41f4b71Sopenharmony_ci
2966e41f4b71Sopenharmony_ci**示例:**
2967e41f4b71Sopenharmony_ci  ```ts
2968e41f4b71Sopenharmony_ci  // 删除系统偏好语言列表中的第一个偏好语言
2969e41f4b71Sopenharmony_ci  let index: number = 0;
2970e41f4b71Sopenharmony_ci  let success: boolean = i18n.removePreferredLanguage(index);
2971e41f4b71Sopenharmony_ci  ```
2972e41f4b71Sopenharmony_ci
2973e41f4b71Sopenharmony_ci
2974e41f4b71Sopenharmony_ci## i18n.getPreferredLanguageList<sup>(deprecated)</sup>
2975e41f4b71Sopenharmony_ci
2976e41f4b71Sopenharmony_cigetPreferredLanguageList(): Array&lt;string&gt;
2977e41f4b71Sopenharmony_ci
2978e41f4b71Sopenharmony_ci获取系统偏好语言列表。
2979e41f4b71Sopenharmony_ci
2980e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[System.getPreferredLanguageList](#getpreferredlanguagelist9)代替。
2981e41f4b71Sopenharmony_ci
2982e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
2983e41f4b71Sopenharmony_ci
2984e41f4b71Sopenharmony_ci**返回值:**
2985e41f4b71Sopenharmony_ci
2986e41f4b71Sopenharmony_ci| 类型                  | 说明        |
2987e41f4b71Sopenharmony_ci| ------------------- | --------- |
2988e41f4b71Sopenharmony_ci| Array&lt;string&gt; | 系统偏好语言列表。 |
2989e41f4b71Sopenharmony_ci
2990e41f4b71Sopenharmony_ci**示例:**
2991e41f4b71Sopenharmony_ci  ```ts
2992e41f4b71Sopenharmony_ci  let preferredLanguageList: Array<string> = i18n.getPreferredLanguageList(); // 获取系统偏好语言列表
2993e41f4b71Sopenharmony_ci  ```
2994e41f4b71Sopenharmony_ci
2995e41f4b71Sopenharmony_ci
2996e41f4b71Sopenharmony_ci## i18n.getFirstPreferredLanguage<sup>(deprecated)</sup>
2997e41f4b71Sopenharmony_ci
2998e41f4b71Sopenharmony_cigetFirstPreferredLanguage(): string
2999e41f4b71Sopenharmony_ci
3000e41f4b71Sopenharmony_ci获取偏好语言列表中的第一个偏好语言。
3001e41f4b71Sopenharmony_ci
3002e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[System.getFirstPreferredLanguage](#getfirstpreferredlanguage9)代替。
3003e41f4b71Sopenharmony_ci
3004e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3005e41f4b71Sopenharmony_ci
3006e41f4b71Sopenharmony_ci**返回值:**
3007e41f4b71Sopenharmony_ci
3008e41f4b71Sopenharmony_ci| 类型     | 说明             |
3009e41f4b71Sopenharmony_ci| ------ | -------------- |
3010e41f4b71Sopenharmony_ci| string | 偏好语言列表中的第一个语言。 |
3011e41f4b71Sopenharmony_ci
3012e41f4b71Sopenharmony_ci**示例:**
3013e41f4b71Sopenharmony_ci  ```ts
3014e41f4b71Sopenharmony_ci  let firstPreferredLanguage: string = i18n.getFirstPreferredLanguage();
3015e41f4b71Sopenharmony_ci  ```
3016e41f4b71Sopenharmony_ci
3017e41f4b71Sopenharmony_ci
3018e41f4b71Sopenharmony_ci## Util<sup>(deprecated)</sup>
3019e41f4b71Sopenharmony_ci
3020e41f4b71Sopenharmony_ci
3021e41f4b71Sopenharmony_ci### unitConvert<sup>(deprecated)</sup>
3022e41f4b71Sopenharmony_ci
3023e41f4b71Sopenharmony_ciunitConvert(fromUnit: UnitInfo, toUnit: UnitInfo, value: number, locale: string, style?: string): string
3024e41f4b71Sopenharmony_ci
3025e41f4b71Sopenharmony_ci将fromUnit的单位转换为toUnit的单位,并根据区域与风格进行格式化。
3026e41f4b71Sopenharmony_ci
3027e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[unitConvert](#unitconvert9)代替。
3028e41f4b71Sopenharmony_ci
3029e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3030e41f4b71Sopenharmony_ci
3031e41f4b71Sopenharmony_ci**参数:**
3032e41f4b71Sopenharmony_ci
3033e41f4b71Sopenharmony_ci| 参数名      | 类型                     | 必填   | 说明                                       |
3034e41f4b71Sopenharmony_ci| -------- | ---------------------- | ---- | ---------------------------------------- |
3035e41f4b71Sopenharmony_ci| fromUnit | [UnitInfo](#unitinfo8) | 是    | 要被转换的单位。                                 |
3036e41f4b71Sopenharmony_ci| toUnit   | [UnitInfo](#unitinfo8) | 是    | 要转换为的单位。                                 |
3037e41f4b71Sopenharmony_ci| value    | number                 | 是    | 要被转换的单位的数量值。                             |
3038e41f4b71Sopenharmony_ci| locale   | string                 | 是    | 格式化时使用的区域参数,如:zh-Hans-CN。                |
3039e41f4b71Sopenharmony_ci| style    | string                 | 否    | 格式化使用的风格,取值包括:"long",&nbsp;"short",&nbsp;"narrow"。默认值:short。 |
3040e41f4b71Sopenharmony_ci
3041e41f4b71Sopenharmony_ci**返回值:**
3042e41f4b71Sopenharmony_ci
3043e41f4b71Sopenharmony_ci| 类型     | 说明                      |
3044e41f4b71Sopenharmony_ci| ------ | ----------------------- |
3045e41f4b71Sopenharmony_ci| string | 按照toUnit的单位格式化后,得到的字符串。 |
3046e41f4b71Sopenharmony_ci
3047e41f4b71Sopenharmony_ci
3048e41f4b71Sopenharmony_ci## Character<sup>(deprecated)</sup>
3049e41f4b71Sopenharmony_ci
3050e41f4b71Sopenharmony_ci
3051e41f4b71Sopenharmony_ci### isDigit<sup>(deprecated)</sup>
3052e41f4b71Sopenharmony_ci
3053e41f4b71Sopenharmony_ciisDigit(char: string): boolean
3054e41f4b71Sopenharmony_ci
3055e41f4b71Sopenharmony_ci判断字符串char是否是数字。
3056e41f4b71Sopenharmony_ci
3057e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isDigit](#isdigit9)代替。
3058e41f4b71Sopenharmony_ci
3059e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3060e41f4b71Sopenharmony_ci
3061e41f4b71Sopenharmony_ci**参数:**
3062e41f4b71Sopenharmony_ci
3063e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3064e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3065e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3066e41f4b71Sopenharmony_ci
3067e41f4b71Sopenharmony_ci**返回值:**
3068e41f4b71Sopenharmony_ci
3069e41f4b71Sopenharmony_ci| 类型      | 说明                                   |
3070e41f4b71Sopenharmony_ci| ------- | ------------------------------------ |
3071e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是数字,返回false表示输入的字符不是数字。 |
3072e41f4b71Sopenharmony_ci
3073e41f4b71Sopenharmony_ci
3074e41f4b71Sopenharmony_ci### isSpaceChar<sup>(deprecated)</sup>
3075e41f4b71Sopenharmony_ci
3076e41f4b71Sopenharmony_ciisSpaceChar(char: string): boolean
3077e41f4b71Sopenharmony_ci
3078e41f4b71Sopenharmony_ci判断字符串char是否是空格符。
3079e41f4b71Sopenharmony_ci
3080e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isSpaceChar](#isspacechar9)代替。
3081e41f4b71Sopenharmony_ci
3082e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3083e41f4b71Sopenharmony_ci
3084e41f4b71Sopenharmony_ci**参数:**
3085e41f4b71Sopenharmony_ci
3086e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3087e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3088e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3089e41f4b71Sopenharmony_ci
3090e41f4b71Sopenharmony_ci**返回值:**
3091e41f4b71Sopenharmony_ci
3092e41f4b71Sopenharmony_ci| 类型      | 说明                                     |
3093e41f4b71Sopenharmony_ci| ------- | -------------------------------------- |
3094e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是空格符,返回false表示输入的字符不是空格符。 |
3095e41f4b71Sopenharmony_ci
3096e41f4b71Sopenharmony_ci
3097e41f4b71Sopenharmony_ci### isWhitespace<sup>(deprecated)</sup>
3098e41f4b71Sopenharmony_ci
3099e41f4b71Sopenharmony_ciisWhitespace(char: string): boolean
3100e41f4b71Sopenharmony_ci
3101e41f4b71Sopenharmony_ci判断字符串char是否是空白符。
3102e41f4b71Sopenharmony_ci
3103e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isWhitespace](#iswhitespace9)代替。
3104e41f4b71Sopenharmony_ci
3105e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3106e41f4b71Sopenharmony_ci
3107e41f4b71Sopenharmony_ci**参数:**
3108e41f4b71Sopenharmony_ci
3109e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3110e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3111e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3112e41f4b71Sopenharmony_ci
3113e41f4b71Sopenharmony_ci**返回值:**
3114e41f4b71Sopenharmony_ci
3115e41f4b71Sopenharmony_ci| 类型      | 说明                                     |
3116e41f4b71Sopenharmony_ci| ------- | -------------------------------------- |
3117e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是空白符,返回false表示输入的字符不是空白符。 |
3118e41f4b71Sopenharmony_ci
3119e41f4b71Sopenharmony_ci
3120e41f4b71Sopenharmony_ci### isRTL<sup>(deprecated)</sup>
3121e41f4b71Sopenharmony_ci
3122e41f4b71Sopenharmony_ciisRTL(char: string): boolean
3123e41f4b71Sopenharmony_ci
3124e41f4b71Sopenharmony_ci判断字符串char是否是从右到左语言的字符。
3125e41f4b71Sopenharmony_ci
3126e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isRTL](#isrtl9)代替。
3127e41f4b71Sopenharmony_ci
3128e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3129e41f4b71Sopenharmony_ci
3130e41f4b71Sopenharmony_ci**参数:**
3131e41f4b71Sopenharmony_ci
3132e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3133e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3134e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3135e41f4b71Sopenharmony_ci
3136e41f4b71Sopenharmony_ci**返回值:**
3137e41f4b71Sopenharmony_ci
3138e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
3139e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
3140e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是从右到左语言的字符,返回false表示输入的字符不是从右到左语言的字符。 |
3141e41f4b71Sopenharmony_ci
3142e41f4b71Sopenharmony_ci
3143e41f4b71Sopenharmony_ci### isIdeograph<sup>(deprecated)</sup>
3144e41f4b71Sopenharmony_ci
3145e41f4b71Sopenharmony_ciisIdeograph(char: string): boolean
3146e41f4b71Sopenharmony_ci
3147e41f4b71Sopenharmony_ci判断字符串char是否是表意文字。
3148e41f4b71Sopenharmony_ci
3149e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isIdeograph](#isideograph9)代替。
3150e41f4b71Sopenharmony_ci
3151e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3152e41f4b71Sopenharmony_ci
3153e41f4b71Sopenharmony_ci**参数:**
3154e41f4b71Sopenharmony_ci
3155e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3156e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3157e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3158e41f4b71Sopenharmony_ci
3159e41f4b71Sopenharmony_ci**返回值:**
3160e41f4b71Sopenharmony_ci
3161e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
3162e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
3163e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是表意文字,返回false表示输入的字符不是表意文字。 |
3164e41f4b71Sopenharmony_ci
3165e41f4b71Sopenharmony_ci
3166e41f4b71Sopenharmony_ci### isLetter<sup>(deprecated)</sup>
3167e41f4b71Sopenharmony_ci
3168e41f4b71Sopenharmony_ciisLetter(char: string): boolean
3169e41f4b71Sopenharmony_ci
3170e41f4b71Sopenharmony_ci判断字符串char是否是字母。
3171e41f4b71Sopenharmony_ci
3172e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isLetter](#isletter9)代替。
3173e41f4b71Sopenharmony_ci
3174e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3175e41f4b71Sopenharmony_ci
3176e41f4b71Sopenharmony_ci**参数:**
3177e41f4b71Sopenharmony_ci
3178e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3179e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3180e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3181e41f4b71Sopenharmony_ci
3182e41f4b71Sopenharmony_ci**返回值:**
3183e41f4b71Sopenharmony_ci
3184e41f4b71Sopenharmony_ci| 类型      | 说明                                   |
3185e41f4b71Sopenharmony_ci| ------- | ------------------------------------ |
3186e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是字母,返回false表示输入的字符不是字母。 |
3187e41f4b71Sopenharmony_ci
3188e41f4b71Sopenharmony_ci
3189e41f4b71Sopenharmony_ci### isLowerCase<sup>(deprecated)</sup>
3190e41f4b71Sopenharmony_ci
3191e41f4b71Sopenharmony_ciisLowerCase(char: string): boolean
3192e41f4b71Sopenharmony_ci
3193e41f4b71Sopenharmony_ci判断字符串char是否是小写字母。
3194e41f4b71Sopenharmony_ci
3195e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isLowerCase](#islowercase9)代替。
3196e41f4b71Sopenharmony_ci
3197e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3198e41f4b71Sopenharmony_ci
3199e41f4b71Sopenharmony_ci**参数:**
3200e41f4b71Sopenharmony_ci
3201e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3202e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3203e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3204e41f4b71Sopenharmony_ci
3205e41f4b71Sopenharmony_ci**返回值:**
3206e41f4b71Sopenharmony_ci
3207e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
3208e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
3209e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是小写字母,返回false表示输入的字符不是小写字母。 |
3210e41f4b71Sopenharmony_ci
3211e41f4b71Sopenharmony_ci
3212e41f4b71Sopenharmony_ci### isUpperCase<sup>(deprecated)</sup>
3213e41f4b71Sopenharmony_ci
3214e41f4b71Sopenharmony_ciisUpperCase(char: string): boolean
3215e41f4b71Sopenharmony_ci
3216e41f4b71Sopenharmony_ci判断字符串char是否是大写字母。
3217e41f4b71Sopenharmony_ci
3218e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[isUpperCase](#isuppercase9)代替。
3219e41f4b71Sopenharmony_ci
3220e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3221e41f4b71Sopenharmony_ci
3222e41f4b71Sopenharmony_ci**参数:**
3223e41f4b71Sopenharmony_ci
3224e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3225e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3226e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3227e41f4b71Sopenharmony_ci
3228e41f4b71Sopenharmony_ci**返回值:**
3229e41f4b71Sopenharmony_ci
3230e41f4b71Sopenharmony_ci| 类型      | 说明                                       |
3231e41f4b71Sopenharmony_ci| ------- | ---------------------------------------- |
3232e41f4b71Sopenharmony_ci| boolean | 返回true表示输入的字符是大写字母,返回false表示输入的字符不是大写字母。 |
3233e41f4b71Sopenharmony_ci
3234e41f4b71Sopenharmony_ci
3235e41f4b71Sopenharmony_ci### getType<sup>(deprecated)</sup>
3236e41f4b71Sopenharmony_ci
3237e41f4b71Sopenharmony_cigetType(char: string): string
3238e41f4b71Sopenharmony_ci
3239e41f4b71Sopenharmony_ci获取输入字符串的一般类别值。
3240e41f4b71Sopenharmony_ci
3241e41f4b71Sopenharmony_ci从API version 8开始支持,从API version 9开始不再维护,建议使用[getType](#gettype9)代替。
3242e41f4b71Sopenharmony_ci
3243e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Global.I18n
3244e41f4b71Sopenharmony_ci
3245e41f4b71Sopenharmony_ci**参数:**
3246e41f4b71Sopenharmony_ci
3247e41f4b71Sopenharmony_ci| 参数名  | 类型     | 必填   | 说明    |
3248e41f4b71Sopenharmony_ci| ---- | ------ | ---- | ----- |
3249e41f4b71Sopenharmony_ci| char | string | 是    | 输入字符。 |
3250e41f4b71Sopenharmony_ci
3251e41f4b71Sopenharmony_ci**返回值:**
3252e41f4b71Sopenharmony_ci
3253e41f4b71Sopenharmony_ci| 类型     | 说明          |
3254e41f4b71Sopenharmony_ci| ------ | ----------- |
3255e41f4b71Sopenharmony_ci| string | 输入字符的一般类别值。 |
3256