键盘上方的bar

*如何让键盘上方的 EditBar 随着键盘移动？
（1）添加监听、监听事件：

//MARK: - 编辑bar相关
extension PublishDynamicController {
    
    //添加键盘的监听
    func addKeyboardObserver() {
        //添加键盘监听
        NotificationCenter.default.addObserver(self, selector:#selector(self.keyboardWillChangeFrakeyboardWillChangeFrameNotificationmeNotification(note:)),name:NSNotification.Name.UIKeyboardWillChangeFrame, object: nil)
    }

    @objc func keyboardWillChangeFrakeyboardWillChangeFrameNotificationmeNotification(note : NSNotification) {
        // 1.获取动画执行的时间
        let duration = note.userInfo![UIKeyboardAnimationDurationUserInfoKey] as! TimeInterval
        
        // 2.获取键盘最终y值
        let endFrame = (note.userInfo![UIKeyboardFrameEndUserInfoKey] as! NSValue).cgRectValue
        let y = endFrame.origin.y
        
        // 3.计算工具栏距离底部的间距
        let margin = UIScreen.main.bounds.height - y
        
        // 4.执行动画
        bottomHeightCons.constant = margin
        UIView.animate(withDuration: duration) {
            self.view.layoutIfNeeded()
        }
    }

}

（2）移除监听：

deinit {
        NotificationCenter.default.removeObserver(self)
    }