android以application/json流的方式提交数据

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网上已经很多post提交数据的文章了, 但以application/json流的方式提交, 却很少提及, 在GOOGLE大神的指点下, 找到

@SuppressWarnings("deprecation")public static JSONObject postData(String jsoncontent,String urlstr) {  JSONObject jsonobj = null;try {  HttpClient httpclient = new DefaultHttpClient();      HttpPost httppost = new HttpPost(urlstr);       //添加http头信息  , 主要是application/json声明      httppost.addHeader("Content-Type", "application/json");      //StringEntity就是以字符串输出到流    HttpEntity he = new StringEntity(jsoncontent,HTTP.UTF_8);    httppost.setEntity(he);            //如果是以参数传, 就是这个//    List<NameValuePair> params = new ArrayList<NameValuePair>();//        params.add(new BasicNameValuePair("paramname", "post data"));//    httppost.setEntity(new UrlEncodedFormEntity(param, HTTP.UTF_8));           HttpResponse response;      response = httpclient.execute(httppost);      //检验状态码200表示成功    int code = response.getStatusLine().getStatusCode();      if (code == 200) {           String returnjson = EntityUtils.toString(response.getEntity());//返回json格式                 jsonobj = new JSONObject(returnjson);      }      } catch (ClientProtocolException e) {         } catch (IOException e) {         } catch (Exception e) {       }

把上面的这个方法放到一个util下, 直接用就好了, jsoncontent是一个JSON字符串, 我是以:

JSONObject postdata = new JSONObject();

postdata.put("name","abc");

String jsoncontent = postdata.toString();

加进去的.

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