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：