HttpClient发送Json数据到指定接口

 ???/** ????* post发送json数据 ????* @param url ????* @param param ????* @return ????*/ ???private String doPost(String url, JSONObject param) { ???????HttpPost httpPost = null; ???????String result = null; ???????try { ???????????HttpClient client = new DefaultHttpClient(); ???????????httpPost = new HttpPost(url); ???????????if (param != null) { ???????????????StringEntity se = new StringEntity(param.toString(), "utf-8"); ???????????????httpPost.setEntity(se); // post方法中，加入json数据 ???????????????httpPost.setHeader("Content-Type", "application/json"); ???????????} ???????????????????????HttpResponse response = client.execute(httpPost); ???????????if (response != null) { ???????????????HttpEntity resEntity = response.getEntity(); ???????????????if (resEntity != null) { ???????????????????result = EntityUtils.toString(resEntity, "utf-8"); ???????????????} ???????????} ???????????????????} catch (Exception ex) { ???????????logger.error("发送到接口出错", ex); ???????} ???????return result; ???}