/// <summary>
        /// 冲正预处理
        /// </summary>
        /// <param name="creditCard">银行卡信息</param>
        /// <param name="preMsg">上次支付的信息</param>
        /// <returns></returns>
        public byte[] CancelPay(CreditCard creditCard, byte[] preMsg, string posSerialNo)
        {
            IPayPreTeatment payPreObj =
                PaymentPlatFormFactory.GetPayPreTreatmentFactory().GetPayPreObj(creditCard);

            return(payPreObj.CancelPay(preMsg, creditCard, posSerialNo));
        }
        /// <summary>
        /// 查询预处理
        /// </summary>
        /// <param name="equipment">设备信息</param>
        /// <returns></returns>
        public byte[] Query(Model.VisualSelfServiceEquipment equipment)
        {
            if (equipment == null)
            {
                throw new ArgumentException("无效的设备信息");
            }
            IPayPreTeatment payPreObj =
                PaymentPlatFormFactory.GetPayPreTreatmentFactory().GetPayPreObj(equipment.creditCard);

            return(payPreObj.Query(equipment.TerminalNo, equipment.PinBlock, equipment.creditCard));
        }