string JsApiTicketString = string.Empty;

                using (StreamReader reader = new StreamReader(response.GetResponseStream()))

                {

                    JsApiTicketString = reader.ReadToEnd();

                    LogWriter.ToTrace(string.Format("获取JSAPITicke 结果：{0}", JsApiTicketString));

                }

                var jsApiTicketObj = new { Code = "", ErrorMessage = "", AppId = "", JsApiTicket = "" };

                var ticketObj = JsonConvert.DeserializeAnonymousType(JsApiTicketString, jsApiTicketObj);

                ticket = ticketObj.JsApiTicket;