Java--WindowListener 窗体事件监听

WindowListener 窗体事件监听

package com.lddx.day0307;

import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.JFrame;
//WindowListener 窗体事件监听
public class TestWindowListener {

	public static void main(String[] args) {
		TestWindowListener wl=new TestWindowListener();
		wl.init();
		
	}
	Frame f=new Frame(); //创建窗体Frame
	public void init(){
		//JFrame f=new JFrame();//创建窗体JFrame
		//绑定监听器
		f.addWindowListener(w);
		//绑定适配器
		f.addWindowListener(wa);
		
		f.setTitle("How are you!");
		f.setSize(600, 500);
		f.setLocation(500, 300);
		f.setVisible(true);
		//f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 该方法可以用JFrame调用；
		
	}
	//定义匿名类 -- 实现WindowListener监听器  可以实现多个接口
	WindowListener w=new WindowListener(){

		//窗口被打开时的监听
		public void windowOpened(java.awt.event.WindowEvent e) {
			System.out.println("窗口被打开啦！");
		};
		//窗口被关闭时的监听
		public void windowClosed(java.awt.event.WindowEvent e) {
			System.out.println("窗口被关闭啦！");
			
		};
		//点击窗口关闭按钮监听
		public void windowClosing(java.awt.event.WindowEvent e) {
			System.out.println("点击窗口关闭按钮啦！");
			//System.exit(0);//结束程序
			f.dispose();//该方法关闭窗体，同时也会触发WindowClosed;
		};
		//窗口被**时的监听
		public void windowActivated(java.awt.event.WindowEvent e) {
			System.out.println("窗口被**啦！");
		};
		//窗口失去活性的监听
		public void windowDeactivated(java.awt.event.WindowEvent e) {
			System.out.println("窗口失去活性啦！");
		};
		//窗口从最小化还原时监听
		public void windowDeiconified(java.awt.event.WindowEvent e) {
			System.out.println("窗口从最小化还原啦！");
		};
		//窗口被最小化时监听
		public void windowIconified(java.awt.event.WindowEvent e) {
			System.out.println("窗口被最小化啦！");
		};
		
		};
	//定义匿名类 -- 继承WindowAdatper适配器  不能多继承
	WindowAdapter wa=new WindowAdapter(){
		//窗口被打开时的监听
		public void windowOpened(java.awt.event.WindowEvent e) {
			System.out.println("窗口又被打开啦！");
		};
	};
	
}