import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class MyJDialog extends JDialog{
public MyJDialog(MyFrame frame){
super (frame,"第一个JDialog窗体",true);
Container container=getContentPane();
JLabel jl=new JLabel("这是一个对话框");
container.add(jl);
setBounds(120,120,100,100);
}
}
public class MyFrame extends JFrame {
public static void main (String args[]){
new MyFrame();
}
public MyFrame(){
Container container=getContentPane();
container.setLayout(null);
JLabel jl=new JLabel("这是一个jlframe窗体");
jl.setHorizontalAlignment(SwingConstants.CENTER);
container.add(jl);
JButton bl=new JButton("弹出对话框");
bl.setBounds(10,10,100,21);
bl.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
new MyJDialog(MyFrame.this).setVisible(true);
}
}
);
container.add(bl);
}
}