实现一个图形化用户界面，在框架上顺序摆放三个按钮：Button1、Button2和Button3，在点击按钮时在控制台上显示哪个按钮被点击-Implement a graphical user interface on a fr a me sequential display three buttons: Button1, Button2 and Button3, when the button is displayed on the console which button was click