Java获取网页中url的图片资源.rar

import java.awt.*; import java.applet.*; //Download by http://www.codesc.net public class useTrackedImage extends Applet implements Runnable { private Image picture; private MediaTracker tracker; //初始化 public void init() { this.picture = this.getImage(this.getCodeBase(), //获取图片信息 this.getParameter("imagefile")); this.tracker = new MediaTracker(this); //加载图片 this.tracker.addImage(this.picture, 1); Thread play = new Thread(this); //启动线程 play.start(); } //执行线程 public void run() { try { this.tracker.waitForID(1); //刷新界面 this.repaint(); } catch (InterruptedException ie) { } } //绘制图片 public void paint(Graphics g) { if (this.tracker.checkID(1, true)) { g.drawImage(this.picture, 0, 0, this); } else { g.drawString("Loading Picture. Please hang on", 25, 50); } } }