JDialog弹窗
package com.chen.lesson4;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class DialogDemo extends JFrame{
public DialogDemo() {
this.setVisible(true);
this.setBounds(100,100,500,500);
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
//JFrame 容器
Container container = this.getContentPane();
//绝对布局
container.setLayout(null);
//按钮
JButton jButton = new JButton("点击弹出一个对话框");
jButton.setBounds(30,30,200,50);
container.add(jButton);
//点击这个按钮 弹出一个弹窗
jButton.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
new MyDialogDemo();
}
});
container.add(jButton);
}
public static void main(String[] args) {
new DialogDemo();
}
}
class MyDialogDemo extends JDialog{
public MyDialogDemo(){
this.setVisible(true);
this.setBounds(100 ,100, 200,200);
Container container = this.getContentPane();
container.setLayout(null);
container.add(new Label("弹出的窗口"));
}
}