Question

java为按钮添加的鼠标监听

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;

class myjdialog extends JDialog
{
public myjdialog(myframe frame)
{

super(frame,"dasd",true);
Container container=getContentPane();
container.add(new JLabel("das"));
setBounds(120, 120, 100, 100);
}
}

public class myframe extends JFrame {
public static void main(String[] args) {
// TODO Auto-generated method stub
new myframe();
}
public myframe(){
Container container=getContentPane();
container.setLayout(null);
JLabel jl=new JLabel("das");
jl.setHorizontalAlignment(SwingConstants.CENTER);
container.add(jl);
JButton jb=new JButton();
jb.setBounds(10, 10, 100, 21);
jb.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
new myjdialog(myframe.this).setVisible(true);
// TODO Auto-generated method stub

}
});
container.add(jb);
}
/**
* @param args
*/

}

帮我找找问题好不好！

Answer 1

你总要说说是什么问题吧。这么多一点点的看多不好找，有了错误，找起来方便点

追问

运行不了文件。没有窗口弹出来。编译没错。