public static String post(String url, String data) throws ClientProtocolException, IOException {

        HttpClient httpClient = new DefaultHttpClient();

        HttpPost httpPost = new HttpPost(url);

        //设置请求和传输超时时间

        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(60000).setConnectTimeout(60000).build();

        httpPost.setConfig(requestConfig);

        httpPost.setHeader("Content-Type","application/json; charset=utf-8");

        httpPost.setEntity(new StringEntity(data.toString(), Charset.forName("UTF-8")));

        HttpResponse response = httpClient.execute(httpPost);

        String httpEntityContent = getHttpEntityContent(response);

        httpPost.abort();

        return httpEntityContent;

    }