1e41f4b71Sopenharmony_ci# @ohos.bluetooth.constant (蓝牙constant模块)（系统接口） 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ciconstant模块提供了蓝牙中常量的定义。 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci> **说明：** 6e41f4b71Sopenharmony_ci> 7e41f4b71Sopenharmony_ci> 本模块首批接口从API version 10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> 当前页面仅包含本模块的系统接口，其他公开接口参见[@ohos.bluetooth.constant (蓝牙constant模块)](js-apis-bluetooth-constant.md) 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci## 导入模块 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci```js 13e41f4b71Sopenharmony_ciimport { constant } from '@kit.ConnectivityKit'; 14e41f4b71Sopenharmony_ci``` 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci## AccessAuthorization<sup>11+</sup> 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci枚举，访问权限。 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci**系统接口：** 此接口为系统接口。 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci**系统能力**：SystemCapability.Communication.Bluetooth.Core。 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci| 名称 | 值 | 说明 | 25e41f4b71Sopenharmony_ci| ------------------ | ---- | ------ | 26e41f4b71Sopenharmony_ci| UNKNOWN<sup>11+</sup> | 0 | 未知。<br/>此接口为系统接口。 | 27e41f4b71Sopenharmony_ci| ALLOWED<sup>11+</sup> | 1 | 允许。<br/>此接口为系统接口。 | 28e41f4b71Sopenharmony_ci| REJECTED<sup>11+</sup> | 2 | 拒绝。<br/>此接口为系统接口。 |