package oop.dxc; import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; import java.net.URL; //练习Thread,实现多线程同步下载图片 public class TestThread2 extends Thread{ private String url; //网络图片地址 private String name; //保存的文件名 public TestThread2(String url,String name){ this.url = url; this.name = name; } @Override public void run() { WebDownLoader webDownLoader = new WebDownLoader(); webDownLoader.downloader(url,name); System.out.println("下载了文件名为:"+name); } public static void main(String[] args) { TestThread2 t1 = new TestThread2("https://www.www.weizhi.cc/i/l/?n=22&i=blog/2458894/202203/2458894-20220305072938762-1726173585.png","1.png"); TestThread2 t2 = new TestThread2("https://www.www.weizhi.cc/i/l/?n=22&i=blog/2458894/202203/2458894-20220305074807533-1092546476.png","2.png"); TestThread2 t3 = new TestThread2("https://www.www.weizhi.cc/i/l/?n=22&i=blog/2458894/202203/2458894-20220305075846256-1824775882.png","3.png"); t1.start(); t2.start(); t3.start(); } } //下载器 class WebDownLoader{ //下载方法 public void downloader(String url,String name){ try { FileUtils.copyURLToFile(new URL(url),new File(name)); } catch (IOException e) { e.printStackTrace(); System.out.println("IO异常,downloader方法出现问题"); } } }