package com.example.test;import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Image;import java.awt.Toolkit;import java.util.jar.JarOutputStream;import javax.swing.JFrame;class Cardioid extends JFrame { //定义窗口大小 private static final int WIDTH = 900; private static final int HEIGHT = 800;//获取屏幕大小 private static final int WINDOW_WIDTH = Toolkit.getDefaultToolkit().getScreenSize().width; private static final int WINDOW_HEIGHT = Toolkit.getDefaultToolkit().getScreenSize().height;//构造函数 public Cardioid() { //设置窗口标题 super("♥爱心");//设置背景色 this.setBackground(Color.BLACK);//设置窗口位置 this.setLocation((WINDOW_WIDTH - WIDTH) / 2, (WINDOW_HEIGHT - HEIGHT) / 2);//设置窗口大小 this.setSize(WIDTH, HEIGHT);//设置窗口布局 this.setLayout(getLayout());//设置窗口可见 this.setVisible(true);//设置窗口的默认关闭方式 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); }//图形函数 public void paint(Graphics g) { //横纵坐标及半径 double x, y, r;//绘制图形 double z = 0.0; double size=10; int jj=0; while (true) { Image image = this.createImage(WIDTH, HEIGHT); Graphics pic = image.getGraphics(); if (jj%2==0){ size=14.5; }else { size=15; } for (int ii = 30; ii > 0; ii--) { Color color = new Color(255, 175, (int) (20 * Math.random()) + 220); for (int i = 1; i < 400; i++) { // try { // Thread.sleep(10);// } catch (InterruptedException e) { // e.printStackTrace();// } int px = (int) (Math.random() * 10); int py = (int) (Math.random() * 10); x = 16 * (Math.sin(z) * Math.sin(z) * Math.sin(z)) * (size) + Math.pow((-1), px) * Math.random() * ii * Math.sqrt(ii) + WIDTH / 2; y = -(13 * Math.cos(z) - 5 * Math.cos(2 * z) - 2 * Math.cos(3 * z) - Math.cos(4 * z)) * (size) + Math.pow((-1), py) * Math.random() * ii * Math.sqrt(ii) + HEIGHT * 1 / 3; z += (Math.PI / 2.0) / 80; pic.setColor(color);// pic.setColor(new Color(0, 255, 255)); pic.fillOval((int) x, (int) y, 2, 2);// g.drawImage(image, 0, 0, this); }// if (ii < 12) { // g.drawImage(image, 0, 0, this);// try { // Thread.sleep(100);// } catch (InterruptedException e) { // e.printStackTrace();// }// } if (ii < 3) { pic.setFont(new Font("楷体", Font.BOLD, 40));//设置字体 pic.setColor(Color.pink); pic.drawString("Love You", WIDTH / 2 - 100, 240);//绘制字符串 pic.drawString("Forever", WIDTH / 2, 280);//绘制字符串 g.drawImage(image, 0, 0, this); } } jj++; if (jj>100){ break; } try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); } } }}public class Love { public static void main(String[] args) { new Cardioid(); }}

结果入下：