package demo03;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.BorderLayout;
public class Deng implements ActionListener {
private JFrame frame;
MyPanel3 panel = new MyPanel3(); //这个要以下面的MyPanel3类一致
MyPanel3 panel_1 = new MyPanel3(); //把panel、panel_1和panel_2放到这里下面的监听器才可以使用
MyPanel3 panel_2 = new MyPanel3();
boolean flag = false;
javax.swing.Timer timer = new javax.swing.Timer(3000, this);//定义计时器
int count = 0;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
Swing做一个类似红绿灯的东西
最新推荐文章于 2023-04-15 16:00:59 发布