直接上代碼：

package com.lemon.photo;import java.io.ByteArrayOutputStream; import java.io.DataInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL;public class ReadPhotoUrl {public static void main(String[] args) {String url ="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1569407230663&di=51db9c03ac5432c1cdf94cd4fdabb5a4&imgtype=0&src=http%3A%2F%2Fb-ssl.duitang.com%2Fuploads%2Fblog%2F201310%2F18%2F20131018213535_2yTwn.jpeg";String path="d:/pic.png";downloadPicture(url,path);}//鏈接url下載圖片/*** 功能描述: * @param: urlList 圖片url地址* @param: path 下載到本地的路徑* @return: void* @author: lemon* @since: 2019/9/27 0027*/private static void downloadPicture(String urlList,String path) {try {URL url = new URL(urlList);DataInputStream dataInputStream = new DataInputStream(url.openStream());FileOutputStream fileOutputStream = new FileOutputStream(new File(path));ByteArrayOutputStream output = new ByteArrayOutputStream();byte[] buffer = new byte[1024];int length;while ((length = dataInputStream.read(buffer)) > 0) {output.write(buffer, 0, length);}fileOutputStream.write(output.toByteArray());dataInputStream.close();fileOutputStream.close();} catch (MalformedURLException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}} }

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