post get

        /// <summary>
        /// Get方法
        /// </summary>
        /// <param name="serverUrl">url地址</param>
        /// <param name="postData">数据 格式为"aa=xx&bb=xxx"</param>
        /// <returns>请求结果</returns>
        public static string HttpGetConnectToServer(string serverUrl, string postData)
        {
            //创建请求
            var request = (HttpWebRequest)HttpWebRequest.Create(serverUrl + "?" + postData);
            request.Method = "GET";
            //设置上传服务的数据格式
            request.ContentType = "application/x-www-form-urlencoded";
            //请求的身份验证信息为默认
            request.Credentials = CredentialCache.DefaultCredentials;
            //请求超时时间
            request.Timeout = ;
            //读取返回消息
            string res = "";
            try
            {
                var response = (HttpWebResponse)request.GetResponse();
                var reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                res = reader.ReadToEnd();
                reader.Close();
            }
            catch (Exception ex)
            {

            }
            return res;
        }

        /// <summary>
        /// post方法
        /// </summary>
        /// <param name="postUrl">url地址</param>
        /// <param name="paramData">提交的ParamData对象</param>
        /// <returns></returns>
        public static string PostWebRequest<T>(string postUrl, T paramData)
        {
            string ret = string.Empty;
            try
            {
                string str_Tem = JsonSerializer(paramData);//将对象转成json串
                byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(str_Tem);
                HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));
                webReq.Method = "POST";
                webReq.ContentType = " application/json; charset=utf-8";
                webReq.ContentLength = byteArray.Length;
                Stream newStream = webReq.GetRequestStream();
                newStream.Write(byteArray, , byteArray.Length);//写入参数
                newStream.Close();
                HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                ret = sr.ReadToEnd();
                sr.Close();
                response.Close();
                newStream.Close();
            }
            catch (Exception ex)
            {

            }
            return ret;
        }