HarmonyOS 怎么弹出用户授权的弹窗 比如相机权限，麦克风权限的弹窗？

"reqPermissions": [ 
{ 
  "name": "camera", 
"reason": "用于拍照和录像" 
}, 
{ 
  "name": "microphone", 
"reason": "用于录音" 
} 
]
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//假设相机权限已经在配置文件中声明 
if (!hasCameraPermission) { 
  //申请相机权限 
  requestCameraPermission(() => { 
    //权限申请成功后的处理逻辑 
  }); 
}
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