批量下载图片

package com.tili.test;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
* Created with IntelliJ IDEA.
* User: li
* Date: 3/28/13
* Time: 8:46 PM
* To change this template use File | Settings | File Templates.
*/
public class GetImg {
    public static void main(String[] args) {
        final String urlStr = "http://xxx.edu.cn/photo/";
        final String path = "C:\\Users\\li\\Desktop\\2008\\";
        ExecutorService service = Executors.newFixedThreadPool(1000);
        for (int i = 20080000; i < 20090000; i++) {
            final String fileStr = i + ".jpg";
            service.execute(new Runnable() {
                @Override
                public void run() {
                    load(urlStr, path, fileStr);
                }
            });

        }

    }

    private static void load(String urlStr, String path, String fileStr) {
        try {
            URL url = new URL(urlStr+fileStr);
            try {
                File file = new File(path + fileStr);
                URLConnection connection = url.openConnection();
                InputStream is = connection.getInputStream();
                byte[] bs = new byte[1024];
                int len;
                FileOutputStream os = new FileOutputStream(file);
                while ((len = is.read(bs)) != -1) {
                    os.write(bs, 0, len);
                }
                os.close();
                is.close();
            } catch (IOException e) {
                e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }
    }

}