1e41f4b71Sopenharmony_ci# @ohos.ability.wantConstant (wantConstant)(系统接口)
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3e41f4b71Sopenharmony_ciwantConstant模块提供want中操作want常数和解释Flags说明的能力。
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5e41f4b71Sopenharmony_ci> **说明:**
6e41f4b71Sopenharmony_ci> 
7e41f4b71Sopenharmony_ci> 本模块首批接口从API version 6开始支持,从API version 9废弃,替换模块为[@ohos.app.ability.wantConstant](js-apis-app-ability-wantConstant.md)。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> 当前页面仅包含本模块的系统接口,其他公开接口参见[@ohos.ability.wantConstant (wantConstant)](js-apis-ability-wantConstant.md)。
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11e41f4b71Sopenharmony_ci## 导入模块
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13e41f4b71Sopenharmony_ci```ts
14e41f4b71Sopenharmony_ciimport wantConstant from '@ohos.ability.wantConstant';
15e41f4b71Sopenharmony_ci```
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17e41f4b71Sopenharmony_ci## Flags
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19e41f4b71Sopenharmony_ciFlags说明。用于表示处理Want的方式。
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21e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Ability.AbilityBase
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23e41f4b71Sopenharmony_ci| 名称                                 | 值       | 说明                                                         |
24e41f4b71Sopenharmony_ci| ------------------------------------ | ---------- | ------------------------------------------------------------ |
25e41f4b71Sopenharmony_ci| FLAG_AUTH_PERSISTABLE_URI_PERMISSION | 0x00000040 | 指示URI上可能持久化的授权。<br>**系统API**: 此接口为系统接口,三方应用不支持调用。  |
26e41f4b71Sopenharmony_ci| FLAG_AUTH_PREFIX_URI_PERMISSION      | 0x00000080 | 按照前缀匹配的方式验证URI权限。<br>**系统API**: 此接口为系统接口,三方应用不支持调用。 |
27e41f4b71Sopenharmony_ci| FLAG_ABILITY_CONTINUATION_REVERSIBLE | 0x00000400 | 表示迁移是可拉回的。<br>**系统API**: 此接口为系统接口,三方应用不支持调用。      |
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