ActionListener接口--事件处理基础

对事件处理不太熟悉,ok,或许这篇博客对你有点帮助

package demo01;
import java.awt.event.*;
import javax.swing.*; 
public class HandleEvent extends JFrame{                      //HandleEvent 继承JFrame
    public HandleEvent(){                
    	JButton jbtOK = new JButton("OK");
    	JButton jbtCancel = new JButton("Cancel");
    	
    	JPanel panel = new JPanel();
    	panel.add(jbtOK);
    	panel.add(jbtCancel);
    	
    	add(panel);                                            //JFrame中包含panel ,panel中包含jbtOK
    	OKListenerClass listener1 = new OKListenerClass();      //实例化监听器listener1
    	CanelListenerClass listener2 = new CanelListenerClass();
    	jbtOK.addActionListener(listener1);                    //在jbtOK中添加监听器listener1
    	jbtCancel.addActionListener(listener2);
    }

	public static void main(String[] args) {
		// TODO Auto-generated method stub
         JFrame frame = new HandleEvent();
         frame.setTitle("Handle Event");
         frame.setSize(200, 150);
         frame.setLocation(200,100);
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setVisible(true);
         
	}
	 
}
     class OKListenerClass implements ActionListener{             //OKListenerClass 实例ActionListener
    	 public void actionPerformed(ActionEvent e){
    	 System.out.println("OK button clicked");
    	 }
     }

     class CanelListenerClass implements ActionListener{
    	 public void actionPerformed(ActionEvent e){
    	   System.out.println("Canel button clicked");	 
    	 }
    	 }


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