在iOS11中编辑文本字段时tableViewCell不向上滚动

// 监听键盘弹出和收起的通知
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: UIResponder.keyboardWillShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: UIResponder.keyboardWillHideNotification, object: nil)

// 键盘弹出通知的回调方法
@objc func keyboardWillShow(_ notification: Notification) {
    if let keyboardSize = (notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue {
        // 计算需要滚动的距离
        let contentInsets = UIEdgeInsets(top: 0, left: 0, bottom: keyboardSize.height, right: 0)
        tableView.contentInset = contentInsets
        tableView.scrollIndicatorInsets = contentInsets
        
        // 获取当前编辑的文本字段所在的indexPath
        if let indexPath = getIndexPathForEditingTextField() {
            // 滚动tableViewCell
            tableView.scrollToRow(at: indexPath, at: .bottom, animated: true)
        }
    }
}

// 键盘收起通知的回调方法
@objc func keyboardWillHide(_ notification: Notification) {
    // 恢复tableView的内边距
    tableView.contentInset = .zero
    tableView.scrollIndicatorInsets = .zero
}

// 获取当前编辑的文本字段所在的indexPath
func getIndexPathForEditingTextField() -> IndexPath? {
    // 遍历tableView的所有可见的indexPath
    for indexPath in tableView.indexPathsForVisibleRows ?? [] {
        let cell = tableView.cellForRow(at: indexPath)
        if let textField = cell?.viewWithTag(1) as? UITextField, textField.isEditing {
            return indexPath
        }
    }
    return nil
}