委托方式事件处理机制

来源：互联网发布：centos 开启组播编辑：程序博客网时间：2024/05/22 07:49

package e6_7;

import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

public class TestButton {

public static void main(String[] args) {
  Frame f = new Frame("Test");
  f.setSize(200, 200);
  f.setLayout(new FlowLayout(FlowLayout.CENTER));
  Button b = new Button("Press me");
  b.addActionListener(new ButterHander());//注册点击鼠标事件监听器
  f.add(b);
  f.pack();
  f.setVisible(true);
  f.addWindowListener(new WindowListener(){

   @Override
   public void windowClosing(WindowEvent e) {
    // TODO Auto-generated method stub
    System.exit(0);
   }

   @Override
   public void windowActivated(WindowEvent e) {
    // TODO Auto-generated method stub

   }

   @Override
   public void windowClosed(WindowEvent e) {
    // TODO Auto-generated method stub

   }

   @Override
   public void windowDeactivated(WindowEvent e) {
    // TODO Auto-generated method stub

   }

   @Override
   public void windowDeiconified(WindowEvent e) {
    // TODO Auto-generated method stub

   }

   @Override
   public void windowIconified(WindowEvent e) {
    // TODO Auto-generated method stub

   }

   @Override
   public void windowOpened(WindowEvent e) {
    // TODO Auto-generated method stub

   }
   });

}

class ButterHander implements ActionListener{//定义Event事件监听器。
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
System.out.println("刘磊是帅哥！");
}

}

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