Httpclient Post请求

 /*接口调用*/

    /**
     * post请求以及参数是json
     *
     * @param url
     * @param jsonParams
     * @return
     */
    public static JSONObject doPostForJson(String url, String jsonParams) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        JSONObject jsonObject = null;
        HttpPost httpPost = new HttpPost(url);
        RequestConfig requestConfig = RequestConfig.custom().
                setConnectTimeout(180 * 1000).setConnectionRequestTimeout(180 * 1000)
                .setSocketTimeout(180 * 1000).setRedirectsEnabled(true).build();
        httpPost.setConfig(requestConfig);
        httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded");
        try {
            httpPost.setEntity(new StringEntity(jsonParams, ContentType.create("application/json", "utf-8")));
            //System.out.println("request parameters" + EntityUtils.toString(httpPost.getEntity()));
            //System.out.println("httpPost:" + httpPost);
            HttpResponse response = httpClient.execute(httpPost);
            if (response != null && response.getStatusLine().getStatusCode() == 200) {
                String result = EntityUtils.toString(response.getEntity());
                System.out.println("result:" + result);
                jsonObject = JSONObject.fromObject(result);
                return jsonObject;
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (null != httpClient) {
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return jsonObject;
        }
    }