把网络图片URL转化为流

import java.io.IOException;import java.io.InputStream;import .HttpURLConnection;import .URL;import org.ponent;@Componentpublic class InputStreamUtils {//根据图片的路径，把图片转化为流public static InputStream getImageStream(String url) {try {HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();connection.setReadTimeout(5000);connection.setConnectTimeout(5000);connection.setRequestMethod("GET");if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {InputStream inputStream = connection.getInputStream();return inputStream;}} catch (IOException e) {System.out.println("获取网络图片出现异常，图片路径为：" + url);e.printStackTrace();}return null;}}