Java事件处理机制- 事件监听器的四种兑现方式

Java事件处理机制- 事件监听器的四种实现方式

?转自http://wcily123.iteye.com/blog/345221

import?java.awt.*;?? ??import?java.awt.event.*;?? ??import?javax.swing.*;?? ???? ??/**? ??*Java事件处理机制:内部类作为事件监听器? ??*@author?Winty(wintys@gmail.com)?? ??*@version?2008-12-3? ??*/?? ??class?InnerClassEvent?extends?JFrame{??? ??????JButton?btn;?? ???? ??????public?InnerClassEvent(){?? ??????????super("Java事件监听机制");?? ??????????setLayout(new?FlowLayout());?? ??????????setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);?? ???? ??????????btn=new?JButton("点击");?? ??????????btn.addActionListener(new?InnerClass());?? ??????????getContentPane().add(btn);?? ???? ??????????setBounds(200,200,300,160);?? ??????????setVisible(true);?? ??????}?? ???? ??????/*内部类*********************************/?? ??????class?InnerClass?implements?ActionListener{?? ??????????public?void?actionPerformed?(ActionEvent?e){?? ??????????????Container?c=getContentPane();?? ??????????????c.setBackground(Color.red);?? ??????????}?? ??????}?? ??????/**************************************/?? ???? ??????public?static?void?main(String?args[]){?? ??????????new?InnerClassEvent();?? ??????}?? ??}?????