HttpPost發送Json

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.    }  

http://201202104504.iteye.com/blog/1413714