Java swing实现一组图片自动轮播

//文件名：Demo4.java
package com.liuyanzhao;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Demo4 extends JFrame {
MyJPanel mp;
int index;
ImageIcon[] imgs = {
new ImageIcon("src/images/1.jpg"),
new ImageIcon("src/images/2.jpg"),
new ImageIcon("src/images/3.jpg"),
new ImageIcon("src/images/4.jpg"),
new ImageIcon("src/images/5.jpg"),
new ImageIcon("src/images/6.jpg"),
new ImageIcon("src/images/7.jpg"),
new ImageIcon("src/images/8.jpg"),
};
public Demo4() {
mp = new MyJPanel();
this.add(mp);
this.setExtendedState(JFrame.MAXIMIZED_BOTH);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setTitle("窗口");
this.setVisible(true);
Timer timer = new Timer(500,new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
mp.repaint();
}
});
timer.start();
}
public static void main(String[] args) {
new Demo4();
}
class MyJPanel extends JPanel{
@Override
public void paint(Graphics g) {
super.paint(g);
g.drawImage(imgs[index%imgs.length].getImage(), 0, 0,this);
index++;
}
}
}