1.public static JSONObject post(String url,JSONObject json){

2.        HttpClient client = new DefaultHttpClient();

3.        HttpPost post = new HttpPost(url);

4.        JSONObject response = null;

5.        try {

6.            StringEntity s = new StringEntity(json.toString());

7.            s.setContentEncoding("UTF-8");

8.            s.setContentType("application/json");

9.            post.setEntity(s);

10.

11.            HttpResponse res = client.execute(post);

12.            if(res.getStatusLine().getStatusCode() == HttpStatus.OK.value()){

13.                HttpEntity entity = res.getEntity();

14.                String charset = EntityUtils.getContentCharSet(entity);

15.                response = new JSONObject(new JSONTokener(new InputStreamReader(entity.getContent(),charset)));

16.            }

17.        } catch (Exception e) {

18.            throw new RuntimeException(e);

19.        }

20.        return response;

21.    }