#鸿蒙通关秘籍#我好奇，应用文件的读写权限，系统是如何控制的？

// module.json5 声明权限
"requestPermissions":[
{
  "name" : "ohos.permission.WRITE_MEDIA",
  "reason": "$string:reason",
  "usedScene": {
    "abilities": [
      "EntryAbility"
    ],
    "when":"inuse"
  }
},
{
  "name" : "ohos.permission.READ_MEDIA",
  "reason": "$string:reason",
  "usedScene": {
    "abilities": [
      "EntryAbility"
    ],
    "when":"always"
  }
}
]
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