httpclient之发送json数据

public static String getJsonData( String jsonData,
            String url) {
        String str = "";
        CloseableHttpClient httpclient = null;
        CloseableHttpResponse result = null;
        try {
            RequestConfig defaultRequestConfig = RequestConfig.custom().setSocketTimeout(190000)
                    .setConnectTimeout(190000).setConnectionRequestTimeout(190000).setStaleConnectionCheckEnabled(true)
                    .build();
            // httpclient = HttpClients.createDefault();
            httpclient = HttpClients.custom().setDefaultRequestConfig(defaultRequestConfig).build();
            HttpPost method = new HttpPost(url);
            JSONObject jsonObject = new JSONObject();
            jsonObject.put("msgBody", jsonData);
            if (null != jsonObject) {
                StringEntity entity = new StringEntity(jsonObject.toString(), "utf-8");
                entity.setContentEncoding("UTF-8");
                entity.setContentType("application/json");
                method.setEntity(entity);
                System.out.println(entity);
            }
            result = httpclient.execute(method);
            if (result.getStatusLine().getStatusCode() == 200) {
                Header headers[] = result.getHeaders("returnCode");
                logger.info(headers[0].getName() + ":" + headers[0].getValue());
                str = EntityUtils.toString(result.getEntity());
                logger.info(str);
            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (httpclient != null) {
                try {
                    httpclient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (result != null) {
                try {
                    result.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        return str;
    }