Java抓取网页图片并下载到本地（HTTP）

直接上代码：

package com.clzhang.sample.net;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;

public class DownloadByHTTP {

    public static void download(String sourceURL, String destFilename) throws Exception {
        // 构造URL
        URL url = new URL(sourceURL);
        URLConnection con = url.openConnection();
        con.setConnectTimeout(3 * 1000);

        // 输入流
        InputStream is = con.getInputStream();
        byte[] bs = new byte[1024];
        int len;

        // 输出流
        File file = new File(destFilename);
        OutputStream os = new FileOutputStream(file);
        while ((len = is.read(bs)) != -1) {
            os.write(bs, 0, len);
        }

        // 关闭链接
        os.close();
        is.close();
    }

    public static void main(String[] args) throws Exception {
        String sourceURL = "http://www.hmting.com/data/attachment/forum/202204/01/175434p69b9ro9b71lqqpx.jpg.thumb.jpg";
        String destFilename = "D:\\TDDOWNLOAD\\"
                + sourceURL.substring(sourceURL.lastIndexOf("/") + 1, sourceURL.length());

        download(sourceURL, destFilename);
    }
}