java url类下载_Java根据url下载图片或文件的工具类-Fun言

package cn.funyan.utils;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.URL;

import java.net.URLConnection;

/**

*下载图片文件的工具类

**/

public class ImgUtils

{

//本地存放文件的位置

private static String local_path="/Users/fucker/Desktop/share/";

//下载图片到本地

public static String downloadImg(String imgUrl) throws IOException {

URL url = new URL(imgUrl);

URLConnection uc = url.openConnection();

InputStream inputStream = uc.getInputStream();

//截取名称

String name=imgUrl.substring(imgUrl.lastIndexOf("/")+1);

FileOutputStream out = new FileOutputStream(local_path+name);

int j = 0;

while ((j = inputStream.read()) != -1) {

out.write(j);

}

inputStream.close();

return local_path+name;

}

//测试

public static void main(String[] args) throws IOException {

ImgUtils.downloadImg("http://scd5a1b6c0ul-sb-qn.qiqiuyun.net/files/article/2019/04-02/1017404b75df331751.jpg");

}

}

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