Java URL下载网络资源

package com.zzz.net;

import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class UrlDown {
    public static void main(String[] args) throws Exception {
        URL url = new URL("https://img2020.cnblogs.com/blog/2323020/202103/2323020-20210308120551265-1634597742.jpg");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        InputStream is = connection.getInputStream();
        FileOutputStream fos = new FileOutputStream("down1.jpg");

        byte[] buffer = new byte[1024];
        int len;
        while((len=is.read(buffer))!=-1) {
            fos.write(buffer, 0, len);
        }

        fos.close();
        is.close();
        connection.disconnect();
    }
}

Java URL下载网络资源

原文：https://www.cnblogs.com/zzzstudy/p/14613960.html