/// <summary>
        /// 会签接口
        /// </summary>
        /// <param name="signMeetingSingleRequest"></param>
        /// <returns></returns>
        public SignMeetingSingleResponse meetingSingle(SignMeetingSingleRequest signMeetingSingleRequest)
        {
            SignRequest signRequest = new SignRequest(signMeetingSingleRequest);

            signRequest.apiUrl = ApiUrlConstant.Sign.MeetingSingle;
            SignMeetingSingleResponse response = this.Send <SignMeetingSingleResponse>(signRequest);

            return(response);
        }
        /// <summary>
        /// 事件证书-会签接口
        /// </summary>
        /// <param name="signMeetingSingleRequest"></param>
        /// <returns></returns>
        public EventCertSignMeetingSingleResponse eventCertMeetingSingle(SignMeetingSingleRequest signMeetingSingleRequest)
        {
            SignRequest signRequest = new SignRequest(signMeetingSingleRequest);

            signRequest.apiUrl = ApiUrlConstant.Sign.EventCertMeetingSingle;
            EventCertSignMeetingSingleResponse response = this.Send <EventCertSignMeetingSingleResponse>(signRequest);

            return(response);
        }
        /// <summary>
        /// 事件证书-会签接口
        /// </summary>
        public void eventCertMeetingSingle()
        {
            SignMeetingSingleRequest signMeetingSingleRequest = new SignMeetingSingleRequest();

            signMeetingSingleRequest.contract_id = "789c8146f45f9a219a5d5ad11db2902c";

            SignDetails sign = new SignDetails();

            sign.page_num    = 1;
            sign.seal_id     = "babeef37549d22cbb50ce5436cdb3037";
            sign.user_id     = "00765245060136194048";
            sign.sign_height = 40;
            sign.sign_width  = 50;
            sign.sign_top    = 10;
            sign.sign_left   = 20;

            signMeetingSingleRequest.addSignDetails(sign);

            try
            {
                EventCertSignMeetingSingleResponse response = client.EventCertSign.eventCertMeetingSingle(signMeetingSingleRequest);
                Console.WriteLine("事件证书-会签-响应数据:" + JSONUtil.getJsonStringFromObject(response));
            }
            catch (SignApplicationException sae)
            {
                // 捕获网关校验数据
                Console.WriteLine("事件证书-会签-网关异常状态码为:" + sae.return_code);
                Console.WriteLine("事件证书-会签-网关异常信息为:" + sae.return_message);
            }
            catch (SignServerException sse)
            {
                // 捕获网关校验数据
                Console.WriteLine("事件证书-会签-业务异常状态码为:" + sse.result_code);
                Console.WriteLine("事件证书-会签-业务异常信息为:" + sse.result_message);
            }
        }