c#工行接口请求XML格式拼接代码（工行1.0.0.11版本）

  /// <summary>
        /// 将对象拼接成XML格式，并且转成字符串
        /// </summary>
        /// <param name="tranData">ICBC核心对象</param>
        /// <param name="orderInfo">ICBC订单对象 相当于订单明细  不能超过5条</param>
        /// <returns></returns>
        public static string SpliceTranData(ICBCTranData tranData, List<OrderInfo> orderInfo)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<?xml version=\"1.0\" encoding=\"GBK\" standalone=\"no\"?>");
            sb.Append("<B2CReq>");
            sb.Append("<interfaceName>" + tranData.InterfaceName + "</interfaceName>");
            sb.Append("<interfaceVersion>" + tranData.InterfaceVersion + "</interfaceVersion>");
            sb.Append("<orderInfo>");
            sb.Append("<orderDate>" + tranData.OrderDate.ToString("yyyyMMddHHmmss") + "</orderDate>");
            sb.Append("<curType>" + tranData.CurType + "</curType>");
            sb.Append("<merID>" + tranData.MerID + "</merID>");
            if (orderInfo != null)
            {
                sb.Append("<subOrderInfoList>");
                foreach (OrderInfo item in orderInfo)
                {
                    sb.Append("<subOrderInfo>");
                    sb.Append("<orderid>" + item.OrderId + "</orderid>");
                    sb.Append("<amount>" + item.Amount + "</amount>");
                    sb.Append("<installmentTimes>" + item.InstallMentTimes + "</installmentTimes>");
                    sb.Append("<merAcct>" + item.MerAcct + "</merAcct>");
                    sb.Append("<goodsID>" + item.GoodsID + "</goodsID>");
                    sb.Append("<goodsName>" + item.GoodsName + "</goodsName>");
                    sb.Append("<goodsNum>" + item.GoodsNum + "</goodsNum>");
                    sb.Append("<carriageAmt>" + item.CarriageAmt + "</carriageAmt>");
                    sb.Append("</subOrderInfo>");
                }
                sb.Append("</subOrderInfoList>");
            }
            sb.Append("</orderInfo>");
            sb.Append("<custom>");
            sb.Append("<verifyJoinFlag>" + tranData.VerifyJoinFlag + "</verifyJoinFlag>");
            sb.Append("<Language>" + tranData.Language + "</Language>");
            sb.Append("</custom>");
            sb.Append("<message>");
            sb.Append("<creditType>" + tranData.CreditType + "</creditType>");
            sb.Append("<notifyType>" + tranData.NotifyType + "</notifyType>");
            sb.Append("<resultType>" + tranData.ResultType + "</resultType>");
            sb.Append("<merReference>" + tranData.MerReference + "</merReference>");
            sb.Append("<merCustomIp>" + tranData.MerCustomIp + "</merCustomIp>");
            sb.Append("<goodsType>" + tranData.GoodsType + "</goodsType>");
            sb.Append("<merCustomID>" + tranData.MerCustomID + "</merCustomID>");
            sb.Append("<merCustomPhone>" + tranData.MerCustomPhone + "</merCustomPhone>");
            sb.Append("<goodsAddress>" + tranData.GoodsAddress + "</goodsAddress>");
            sb.Append("<merOrderRemark>" + tranData.MerOrderRemark + "</merOrderRemark>");
            sb.Append("<merHint>" + tranData.MerHint + "</merHint>");
            sb.Append("<remark1>" + tranData.Remark1 + "</remark1>");
            sb.Append("<remark2>" + tranData.Remark2 + "</remark2>");
            sb.Append("<merURL>" + tranData.MerURL + "</merURL>");
            sb.Append("<merVAR>" + tranData.MerVAR + "</merVAR>");
            sb.Append("</message>");
            sb.Append("</B2CReq>");
            return sb.ToString();
        }