1e41f4b71Sopenharmony_ci# @system.device (设备信息) 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci本模块提供当前设备的信息。 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci> **说明:** 6e41f4b71Sopenharmony_ci> 7e41f4b71Sopenharmony_ci> - 从API Version 6开始,该接口不再维护,推荐使用新接口[`@ohos.deviceInfo`](js-apis-device-info.md)进行设备信息查询。 8e41f4b71Sopenharmony_ci> 9e41f4b71Sopenharmony_ci> - 本模块首批接口从API version 3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。 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci## 导入模块 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci```typescript 14e41f4b71Sopenharmony_ciimport device from '@system.device'; 15e41f4b71Sopenharmony_ci``` 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## device.getInfo<sup>(deprecated)</sup> 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_cigetInfo(options?: GetDeviceOptions): void 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci获取当前设备的信息。 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci> **说明:**<br> 24e41f4b71Sopenharmony_ci> 在首页的onShow生命周期之前不建议调用device.getInfo接口。 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Startup.SystemInfo.Lite 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci**参数:** 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci| 参数名 | 类型 | 必填 | 说明 | 31e41f4b71Sopenharmony_ci| -------- | -------- | -------- | -------- | 32e41f4b71Sopenharmony_ci| options | [GetDeviceOptions](#getdeviceoptionsdeprecated) | 否 | 定义设备信息获取的参数选项。 | 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci## GetDeviceOptions<sup>(deprecated)</sup> 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci定义设备信息获取的参数选项。 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Startup.SystemInfo.Lite 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ci| 名称 | 类型 | 必填 | 说明 | 41e41f4b71Sopenharmony_ci| -------- | -------- | -------- | -------- | 42e41f4b71Sopenharmony_ci| success | (data:DeviceResponse)=> void | 否 | 接口调用成功的回调函数。 data为成功返回的设备信息,具体参考[DeviceResponse](#deviceresponsedeprecated)。| 43e41f4b71Sopenharmony_ci| fail | (data:any,code:number)=> void | 否 | 接口调用失败的回调函数。 code为失败返回的错误码。<br>code:200,表示返回结果中存在无法获得的信息。| 44e41f4b71Sopenharmony_ci| complete | ()=> void | 否 | 接口调用结束的回调函数。 | 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci## DeviceResponse<sup>(deprecated)</sup> 47e41f4b71Sopenharmony_ci 48e41f4b71Sopenharmony_ci设备信息。 49e41f4b71Sopenharmony_ci 50e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Startup.SystemInfo.Lite 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_ci| 名称 | 类型 | 说明 | 53e41f4b71Sopenharmony_ci| -------- | -------- | -------- | 54e41f4b71Sopenharmony_ci| brand | string | 品牌。 | 55e41f4b71Sopenharmony_ci| manufacturer | string | 生产商。 | 56e41f4b71Sopenharmony_ci| model | string | 型号。 | 57e41f4b71Sopenharmony_ci| product | string | 代号。 | 58e41f4b71Sopenharmony_ci| language<sup>4+</sup> | string | 系统语言。 | 59e41f4b71Sopenharmony_ci| region<sup>4+</sup> | string | 系统地区。 | 60e41f4b71Sopenharmony_ci| windowWidth | number | 可使用的窗口宽度。 | 61e41f4b71Sopenharmony_ci| windowHeight | number | 可使用的窗口高度。 | 62e41f4b71Sopenharmony_ci| screenDensity<sup>4+</sup> | number | 屏幕密度。 | 63e41f4b71Sopenharmony_ci| screenShape<sup>4+</sup> | string | 屏幕形状。可取值:<br/>- rect:方形屏;<br/>- circle:圆形屏。 | 64e41f4b71Sopenharmony_ci| apiVersion<sup>4+</sup> | number | 系统API版本号。 | 65e41f4b71Sopenharmony_ci| deviceType<sup>4+</sup> | string | 设备类型。 | 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci 68e41f4b71Sopenharmony_ci**示例:** 69e41f4b71Sopenharmony_ci 70e41f4b71Sopenharmony_ci```typescript 71e41f4b71Sopenharmony_ciexport default { 72e41f4b71Sopenharmony_ci getInfo() { 73e41f4b71Sopenharmony_ci device.getInfo({ 74e41f4b71Sopenharmony_ci success: function(data) { 75e41f4b71Sopenharmony_ci console.log('Device information obtained successfully. Device brand:' + data.brand); 76e41f4b71Sopenharmony_ci }, 77e41f4b71Sopenharmony_ci fail: function(data, code) { 78e41f4b71Sopenharmony_ci console.log('Failed to obtain device information. Error code:'+ code + '; Error information: ' + data); 79e41f4b71Sopenharmony_ci }, 80e41f4b71Sopenharmony_ci }); 81e41f4b71Sopenharmony_ci }, 82e41f4b71Sopenharmony_ci} 83e41f4b71Sopenharmony_ci```