java：表白，挑逗窗体程序

package Ch08;

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
//定义WindowListener事件
class MyWindowListener extends WindowAdapter{
	//窗体关闭过程中触发函数
	public void windowClosing(WindowEvent e){
		new MyJDialog().setVisible(true);
		System.exit(0);;
	}
}
//定义关闭窗体时需要弹出的对话框
class MyJDialog extends JDialog{
	public MyJDialog(){
		super(new JFrame(),"提示：",true);
		Container c=getContentPane();
		JLabel label=new JLabel("你以为关闭就能回避这个话题吗？");
		label.setHorizontalAlignment(SwingConstants.CENTER);
		JButton btnY=new JButton("是");
		JButton btnN=new JButton("不是");
		//添加按钮监听事件
		btnN.addMouseListener(new MouseListener(){
			//鼠标点击、移上、移出、松开事件
			@Override
			public void mouseClicked(MouseEvent arg0) {
				// TODO Auto-generated method stub
			}

			@Override
			public void mouseEntered(MouseEvent arg0) {
				// TODO Auto-generated method stub
				btnN.setText("是");
				
			}

			@Override
			public void mouseExited(MouseEvent arg0) {
				// TODO Auto-generated method stub
				btnN.setText("不是");
				
			}

			@Override
			public void mousePressed(MouseEvent arg0) {
				// TODO Auto-generated method stub
			}

			@Override
			public void mouseReleased(MouseEvent arg0) {
				// TODO Auto-generated method stub
				
			}
			
		});
		//添加按钮监听事件
				btnN.addActionListener(new ActionListener(){

					@Override
					public void actionPerformed(ActionEvent arg0) {
						// TODO Auto-generated method stub
						label.setText("喜欢就直接说嘛。");
					}
					
				});
				btnY.addActionListener(new ActionListener(){

					@Override
					public void actionPerformed(ActionEvent arg0) {
						// TODO Auto-generated method stub
						label.setText("喜欢就直接说嘛。");
					}
					
				});
		btnY.setBounds(30, 100, 80, 30);
		btnN.setBounds(158, 100, 80, 30);
		c.add(btnY);
		c.add(btnN);
		c.add(label);
		setSize(300, 200);
	}
}
//主窗体
public class Test extends JFrame{
	public void creatJFrame(String title){
		JFrame jf=new JFrame(title);
		Container container=jf.getContentPane();
		JLabel label=new JLabel("你是不是喜欢我？"); 
		//设置标签文字居中
		label.setHorizontalAlignment(SwingConstants.CENTER);
		JButton btnY=new JButton("是");
		JButton btnN=new JButton("不是");
		//添加按钮监听事件
		btnN.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent arg0) {
				// TODO Auto-generated method stub
				label.setText("喜欢就直接说嘛。");
			}
			
		});
		btnY.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent arg0) {
				// TODO Auto-generated method stub
				label.setText("喜欢就直接说嘛。");
			}
			
		});
		btnN.addMouseListener(new MouseListener(){
			//鼠标点击、移上、移出、松开事件
			@Override
			public void mouseClicked(MouseEvent arg0) {
				// TODO Auto-generated method stub
			}

			@Override
			public void mouseEntered(MouseEvent arg0) {
				// TODO Auto-generated method stub
				btnN.setText("是");
				
			}

			@Override
			public void mouseExited(MouseEvent arg0) {
				// TODO Auto-generated method stub
				btnN.setText("不是");
				
			}

			@Override
			public void mousePressed(MouseEvent arg0) {
				// TODO Auto-generated method stub
			}

			@Override
			public void mouseReleased(MouseEvent arg0) {
				// TODO Auto-generated method stub
				
			}
			
		});
		btnY.setBounds(30, 100, 80, 30);
		btnN.setBounds(158, 100, 80, 30);
		container.add(btnY);
		container.add(btnN);
		container.add(label);
		jf.setSize(300, 200);
		jf.setVisible(true);
		jf.setDefaultCloseOperation(EXIT_ON_CLOSE);
		jf.addWindowListener(new MyWindowListener());
	}
	public static void main(String[] args) {
		new Test().creatJFrame("回答我：");
	}

}

运行结果：