发送httpPost请求

public static JSONObject sendPost(JSONObject jsonParam, String url) ?{LOGGER.info("获取回执信息请求参数："+jsonParam.toString());JSONObject resultJson = null;//创建httpclient对象 ?????????CloseableHttpClient client = HttpClients.createDefault(); ???????//创建post方式请求对象 ?????????HttpPost httpPost = new HttpPost(url); ???????????????StringEntity entity=null; ???????if(jsonParam != null) { ???????entity = new StringEntity(jsonParam.toString(),"utf-8");// 解决中文乱码问题 ?????????} ???????????????entity.setContentEncoding("UTF-8"); ?????????????entity.setContentType("application/json"); ?????????????httpPost.setEntity(entity); ???????????????????????// 发起请求 ?????????HttpResponse httpResponse = null; ???????String resData = null;try {httpResponse = client.execute(httpPost);resData = EntityUtils.toString(httpResponse.getEntity(), Charsets.UTF_8.name());} catch (IOException e) {LOGGER.error(e.getMessage(), e);} finally {try {client.close();} catch (IOException e) {LOGGER.error(e.getMessage(), e);}} ???????resultJson = JSON.parseObject(resData);return resultJson;}