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涓句釜馃尠锛氭兂閲嶅啓viewDidLoad鏂规硶锛屽繀椤诲啓鎴愶細

swift澶嶅埗
override func viewDidLoad() {
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}

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swift澶嶅埗
override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    DispatchQueue.main.async {
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    }
}

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