Java网络图片下载

package com.ljb.demo2;
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
public class TestTread2 extends Thread{
    
    
    private String url;   //网络图片地址
    private String name;  //保存的文件名

    public TestTread2(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("下载的文件名为" + name);
    }

    public static void main(String[] args) {
    
    
        TestTread2 t1= new TestTread2("http://codebin.ljb520.cn/" +
                "wp-content/uploads/2020/06/%E8%8A%B1.jpg","1.jpg");
        TestTread2 t2 = new TestTread2("http://codebin.ljb520.cn/wp-c" +
                "ontent/uploads/2020/06/%E7%99%BD%E4%BA%91.jpg","2.jpg");
        TestTread2 t3 = new TestTread2("http://codebin.ljb520.cn/wp-con" +
                "tent/uploads/2020/06/%E5%B8%90%E7%AF%B7.jpg","3.jpg");
        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");
        }
    }