代码测试可用，运行结果非常辣眼睛，有种二十一世纪初流行于广大中小学生之间的失落非主流的感觉！

还是比较有参考价值的，获取当前日期时间，日期类格式化，图形界面的开发等。

java awt实现小程序动态闪图源代码例子:I Iove You，不方便截取动态图，这里仅截取png格式图以供参考，可自行测试。

package cn.ecit.iloveyou;import java.awt.Color;import java.awt.Font;import java.awt.Frame;import java.awt.Graphics;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import java.util.Date;public class ILoveYou extends Frame implements Runnable { public ILoveYou() { // this.setComponentZOrder(this, 2); this.setBounds(Constant.X, Constant.Y, Constant.WIDTH, Constant.HEIGHT); this.setTitle(Constant.string); this.setVisible(true); this.setBackground(Color.BLACK); this.setExtendedState(MAXIMIZED_BOTH); this.addWindowListener(new WindowListener() { @Override public void windowOpened(WindowEvent e) { } @Override public void windowIconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowDeiconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowDeactivated(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowClosing(WindowEvent e) { System.exit(0); } @Override public void windowClosed(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowActivated(WindowEvent e) { // TODO Auto-generated method stub } } ); } public void paint(Graphics g) { for (int i = 0; i < 500; i++) { g.setColor(new Color((int) (Math.random() * 256), (int) (Math .random() * 256), (int) (Math.random() * 256))); g.drawString("★", (int) (Math.random() * 1366), (int) (Math .random() * 768)); } g.setFont(new Font("微软雅黑", Font.BOLD, 150)); g.drawString(Constant.string, Constant.X - 80, Constant.Y + 250); g.setColor(new Color((int) (Math.random() * 256), (int) (Math.random() * 256), (int) (Math.random() * 256))); g.drawString(new Date().toLocaleString(), 5, 200); g.setColor(new Color((int) (Math.random() * 256), (int) (Math.random() * 256), (int) (Math.random() * 256))); g.setFont(new Font("微软雅黑", Font.BOLD, 200)); g.drawString(Constant.string1, 100, 650); } @Override public void run() { while (true) { try { Thread.sleep(500); } catch (Exception e) { e.printStackTrace(); } repaint(); } } public static void main(String[] args) { new Thread(new ILoveYou()).start(); }}package cn.ecit.iloveyou;import java.awt.Toolkit;public class Constant { static final int WIDTH = 800; static final int HEIGHT = 450; static final int X = (Toolkit.getDefaultToolkit().getScreenSize().width - WIDTH) / 2; static final int Y = (Toolkit.getDefaultToolkit().getScreenSize().height - HEIGHT) / 2; static final int WIDTH_BUFF = 300; static final int HEIGHT_BUFF = 100; static final int X_BUFF = (WIDTH - WIDTH_BUFF) / 2; static final int Y_BUFF = (HEIGHT - HEIGHT_BUFF) / 2; static final String string = "I LOVE YOU !"; static final String string1 = "★ 一生一世 ★";}

运行结果：

总结

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