java中怎么通過get請求獲取響應數據

java中怎么通過get請求獲取響應數據，相信很多沒有經驗的人對此束手無策，為此本文總結了問題出現的原因和解決方法，通過這篇文章希望你能解決這個問題。

具體內容如下

package com.jl.chromeTest;import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLConnection;import java.nio.charset.StandardCharsets;/** * get請求測試 * @author liujilong * @since 2019-7-18 10:26:49 */public class Test { @org.junit.Test  public void test() throws Exception{  String result = get("http://www.baidu.com");  System.out.println("result====="+result); } /**  * get請求  * @param url  * @return  * @throws Exception  */ public String get(String url) throws Exception {  String content = null;  URLConnection urlConnection = new URL(url).openConnection();  HttpURLConnection connection = (HttpURLConnection) urlConnection;  connection.setRequestMethod("GET");  //連接  connection.connect();  //得到響應碼  int responseCode = connection.getResponseCode();  if (responseCode == HttpURLConnection.HTTP_OK) {   BufferedReader bufferedReader = new BufferedReader(new InputStreamReader     (connection.getInputStream(), StandardCharsets.UTF_8));   StringBuilder bs = new StringBuilder();   String l;   while ((l = bufferedReader.readLine()) != null) {    bs.append(l).append("\n");   }   content = bs.toString();  }  return content; }}

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