JAVA-普通POST请求(参数在postmen中body的raw内)

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/**    * @Description 普通 post请求-JSON格式    * @param data       请求参数    * @param requestUrl 请求地址    * @return 请求返回结果    **/   public static String requestJsonPost(final String data, final String requestUrl) throws IOException {       HttpClient httpClient = getHttpClient();       HttpPost httpPost = new HttpPost(requestUrl);       StringEntity stringEntity = new StringEntity(data, ContentType.APPLICATION_JSON);       httpPost.setEntity(stringEntity);       try {           HttpResponse httpResponse = httpClient.execute(httpPost);           HttpEntity httpEntity = httpResponse.getEntity();           String result = EntityUtils.toString(httpEntity, "UTF-8");           return result;       } catch (IOException e) {           e.printStackTrace();           throw new IOException(e);       }   }     /**    * @Description 普通 post请求    * @param data       请求参数    * @param requestUrl 请求地址    * @return 请求返回结果    **/   public static String requestPost(final String data, final String requestUrl) throws IOException {       HttpClient httpClient = getHttpClient();       HttpPost httpPost = new HttpPost(requestUrl);       StringEntity stringEntity = new StringEntity(data, "UTF-8");       httpPost.setEntity(stringEntity);       try {           HttpResponse httpResponse = httpClient.execute(httpPost);           HttpEntity httpEntity = httpResponse.getEntity();           String result = EntityUtils.toString(httpEntity, "UTF-8");           return result;       } catch (IOException e) {           e.printStackTrace();           throw new IOException(e);       }   }