獲取相冊時，如果用戶（iOS 14以上系統(tǒng)）選擇了部分圖片允許訪問谈火，那么這就需要更新相冊的訪問權限等級了，不然是拿不到limited的status的：參考
https://www.wwdcnotes.com/notes/wwdc20/10641/
if #available(iOS 14, *) {
let requiredAccessLevel: PHAccessLevel = .readWrite
PHPhotoLibrary.requestAuthorization(for: requiredAccessLevel) { (authorizationStatus) in
switch authorizationStatus{
case .limited:
Logger.log("相冊部分")
case .authorized:
Logger.log("相冊允許")
default:
Logger.log("相冊Unimplemented")
}
}
} else {
let photoStatus = PHPhotoLibrary.authorizationStatus()
Logger.log("系統(tǒng)14以下用戶相冊權限\(photoStatus.rawValue)")
// Fallback on earlier versions
}
