using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;

namespace POSV
{
    #region 基类

    /// <summary>
    /// 基础返回结果（微信支付返回结果基类）
    /// </summary>
    public class WxPayV3Result
    {
        public string return_code { get; set; }
        public string return_msg { get; set; }

        protected XDocument _resultXml;

        public WxPayV3Result(string resultXml)
        {
            _resultXml = XDocument.Parse(resultXml);
            return_code = GetXmlValue("return_code"); // res.Element("xml").Element
            if (!IsReturnCodeSuccess())
            {
                return_msg = GetXmlValue("return_msg"); // res.Element("xml").Element
            }
        }

        /// <summary>
        /// 获取Xml结果中对应节点的值
        /// </summary>
        /// <param name="nodeName"></param>
        /// <returns></returns>
        public string GetXmlValue(string nodeName)
        {
            if (_resultXml == null || _resultXml.Element("xml") == null
                || _resultXml.Element("xml").Element(nodeName) == null)
            {
                return null;
            }
            return _resultXml.Element("xml").Element(nodeName).Value;
        }

        /// <summary>
        /// 获取Xml结果中对应节点的集合值
        /// </summary>
        /// <param name="nodeName"></param>
        /// <returns></returns>
        public IList<T> GetXmlValues<T>(string nodeName)
        {
            var result = new List<T>();
            try
            {
                if (_resultXml != null)
                {
                    var xElement = _resultXml.Element("xml");
                    if (xElement != null)
                    {
                        var nodeList = xElement.Elements().Where(z => z.Name.LocalName.ToString().StartsWith(nodeName)).Select(x => x.Value);
                        result = nodeList.Cast<T>().ToList();
                    }
                }
            }
            catch (System.Exception)
            {
                result = null;
            }
            return result;
        }


        public bool IsReturnCodeSuccess()
        {
            return return_code == "SUCCESS";
        }
    }

    /// <summary>
    /// 统一支付接口在 return_code为 SUCCESS的时候有返回
    /// </summary>
    public class Result : WxPayV3Result
    {
        /// <summary>
        /// 微信分配的公众账号ID
        /// </summary>
        public string appid { get; set; }

        /// <summary>
        /// 微信支付分配的商户号
        /// </summary>
        public string mch_id { get; set; }

        #region 服务商
        /// <summary>
        /// 子商户公众账号ID
        /// </summary>
        public string sub_appid { get; set; }

        /// <summary>
        /// 子商户号
        /// </summary>
        public string sub_mch_id { get; set; }

        #endregion

        /// <summary>
        /// 随机字符串，不长于32 位
        /// </summary>
        public string nonce_str { get; set; }

        /// <summary>
        /// 签名
        /// </summary>
        public string sign { get; set; }

        /// <summary>
        /// SUCCESS/FAIL
        /// </summary>
        public string result_code { get; set; }

        public string err_code { get; set; }
        public string err_code_des { get; set; }

        public Result(string resultXml)
            : base(resultXml)
        {
            result_code = GetXmlValue("result_code"); // res.Element("xml").Element

            if (base.IsReturnCodeSuccess())
            {
                appid = GetXmlValue("appid") ?? "";
                mch_id = GetXmlValue("mch_id") ?? "";

                #region 服务商
                sub_appid = GetXmlValue("sub_appid") ?? "";
                sub_mch_id = GetXmlValue("sub_mch_id") ?? "";
                #endregion

                nonce_str = GetXmlValue("nonce_str") ?? "";
                sign = GetXmlValue("sign") ?? "";
                err_code = GetXmlValue("err_code") ?? "";
                err_code_des = GetXmlValue("err_code_des") ?? "";
            }
        }

        /// <summary>
        /// result_code == "SUCCESS"
        /// </summary>
        /// <returns></returns>
        public bool IsResultCodeSuccess()
        {
            return result_code == "SUCCESS";
        }
    }

    #endregion

    /// <summary>
    /// 统一支付接口在return_code 和result_code 都为SUCCESS 的时候有返回详细信息
    /// </summary>
    public class UnifiedorderResult : Result
    {
        /// <summary>
        /// 微信支付分配的终端设备号
        /// </summary>
        public string device_info { get; set; }

        /// <summary>
        /// 交易类型:JSAPI、NATIVE、APP
        /// </summary>
        public string trade_type { get; set; }

        /// <summary>
        /// 微信生成的预支付ID，用于后续接口调用中使用
        /// </summary>
        public string prepay_id { get; set; }

        /// <summary>
        /// trade_type为NATIVE时有返回，此参数可直接生成二维码展示出来进行扫码支付
        /// </summary>
        public string code_url { get; set; }

        ///// <summary>
        ///// 子商户公众账号ID
        ///// </summary>
        //public string sub_appid { get; set; }

        ///// <summary>
        ///// 子商户号
        ///// </summary>
        //public string sub_mch_id { get; set; }

        public UnifiedorderResult(string resultXml)
            : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                device_info = GetXmlValue("device_info") ?? "";
                //sub_appid = GetXmlValue("sub_appid") ?? "";
                //sub_mch_id = GetXmlValue("sub_mch_id") ?? "";

                if (base.IsResultCodeSuccess())
                {
                    trade_type = GetXmlValue("trade_type") ?? "";
                    prepay_id = GetXmlValue("prepay_id") ?? "";
                    code_url = GetXmlValue("code_url") ?? "";
                }
            }
        }
    }


    /// <summary>
    /// 刷卡支付
    /// 提交被扫支付
    /// </summary>
    public class MicropayResult : Result
    {
        /// <summary>
        /// 调用接口提交的终端设备号
        /// </summary>
        public string device_info { get; set; }

        /// <summary>
        /// 用户在商户appid 下的唯一标识
        /// </summary>
        public string openid { get; set; }

        /// <summary>
        /// 用户是否关注公众账号，仅在公众账号类型支付有效，取值范围：Y或N;Y-关注;N-未关注
        /// </summary>
        public string is_subscribe { get; set; }

        /// <summary>
        /// 支付类型为MICROPAY(即扫码支付)
        /// </summary>
        public string trade_type { get; set; }

        /// <summary>
        /// 银行类型，采用字符串类型的银行标识
        /// </summary>
        public string bank_type { get; set; }

        /// <summary>
        /// 符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string fee_type { get; set; }

        /// <summary>
        /// 订单总金额，单位为分，只能为整数
        /// </summary>
        public string total_fee { get; set; }

        /// <summary>
        /// 应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额
        /// </summary>
        public string settlement_total_fee { get; set; }

        /// <summary>
        /// “代金券”金额<=订单金额，订单金额-“代金券”金额=现金支付金额
        /// </summary>
        public string coupon_fee { get; set; }

        /// <summary>
        /// 符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string cash_fee_type { get; set; }

        /// <summary>
        /// 订单现金支付金额
        /// </summary>
        public string cash_fee { get; set; }

        /// <summary>
        /// 微信支付订单号
        /// </summary>
        public string transaction_id { get; set; }

        /// <summary>
        /// 商户系统的订单号，与请求一致
        /// </summary>
        public string out_trade_no { get; set; }

        /// <summary>
        /// 商家数据包，原样返回
        /// </summary>
        public string attach { get; set; }

        /// <summary>
        /// 订单生成时间，格式为yyyyMMddHHmmss，如2009年12月25日9点10分10秒表示为20091225091010
        /// </summary>
        public string time_end { get; set; }

        public MicropayResult(string resultXml) : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                device_info = GetXmlValue("device_info") ?? "";
                if (base.IsResultCodeSuccess())
                {
                    openid = GetXmlValue("openid") ?? "";
                    is_subscribe = GetXmlValue("is_subscribe") ?? "";
                    trade_type = GetXmlValue("trade_type") ?? "";
                    bank_type = GetXmlValue("bank_type") ?? "";
                    fee_type = GetXmlValue("fee_type") ?? "";
                    total_fee = GetXmlValue("total_fee") ?? "";
                    settlement_total_fee = GetXmlValue("settlement_total_fee") ?? "";
                    coupon_fee = GetXmlValue("coupon_fee") ?? "";
                    cash_fee_type = GetXmlValue("cash_fee_type") ?? "";
                    cash_fee = GetXmlValue("cash_fee") ?? "";
                    transaction_id = GetXmlValue("transaction_id") ?? "";
                    out_trade_no = GetXmlValue("out_trade_no") ?? "";
                    attach = GetXmlValue("attach") ?? "";
                    time_end = GetXmlValue("time_end") ?? "";
                }
            }
        }
    }


    /// <summary>
    /// 短链接转换接口
    /// </summary>
    public class ShortUrlResult : Result
    {
        /// <summary>
        /// 转换后的URL
        /// </summary>
        public string short_url { get; set; }

        public ShortUrlResult(string resultXml) : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                short_url = GetXmlValue("short_url") ?? "";
            }
        }
    }

    /// <summary>
    /// 撤销订单接口
    /// </summary>
    public class ReverseResult : Result
    {
        /// <summary>
        /// 是否需要继续调用撤销，Y-需要，N-不需要
        /// </summary>
        public string recall { get; set; }

        public ReverseResult(string resultXml) : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                recall = GetXmlValue("recall") ?? "";
            }
        }
    }

    /// <summary>
    /// 查询订单接口返回结果
    /// </summary>
    public class OrderQueryResult : Result
    {
        /// <summary>
        /// 微信支付分配的终端设备号
        /// </summary>
        public string device_info { get; set; }

        /// <summary>
        /// 用户在商户appid下的唯一标识
        /// </summary>
        public string openid { get; set; }

        /// <summary>
        /// 用户是否关注公众账号，Y-关注，N-未关注，仅在公众账号类型支付有效
        /// </summary>
        public string is_subscribe { get; set; }

        /// <summary>
        /// 用户子标识[服务商]
        /// </summary>
        public string sub_openid { get; set; }

        /// <summary>
        /// 是否关注子公众账号[服务商]
        /// </summary>
        public string sub_is_subscribe { get; set; }

        /// <summary>
        /// 调用接口提交的交易类型，取值如下：JSAPI，NATIVE，APP，MICROPAY
        /// </summary>
        public string trade_type { get; set; }

        /// <summary>
        ///SUCCESS—支付成功
        ///REFUND—转入退款
        ///NOTPAY—未支付
        ///CLOSED—已关闭
        ///REVOKED—已撤销（刷卡支付）
        ///USERPAYING--用户支付中
        ///PAYERROR--支付失败(其他原因，如银行返回失败)
        /// </summary>
        public string trade_state { get; set; }

        /// <summary>
        /// 银行类型，采用字符串类型的银行标识
        /// </summary>
        public string bank_type { get; set; }

        /// <summary>
        /// 商品详情[服务商]
        /// </summary>
        public string detail { get; set; }

        /// <summary>
        /// 订单总金额，单位为分
        /// </summary>
        public string total_fee { get; set; }

        /// <summary>
        /// 应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额
        /// </summary>
        public string settlement_total_fee { get; set; }

        /// <summary>
        /// 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string fee_type { get; set; }

        /// <summary>
        /// 现金支付金额订单现金支付金额
        /// </summary>
        public string cash_fee { get; set; }

        /// <summary>
        /// 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string cash_fee_type { get; set; }

        /// <summary>
        /// “代金券”金额<=订单金额，订单金额-“代金券”金额=现金支付金额
        /// </summary>
        public string coupon_fee { get; set; }

        /// <summary>
        /// 代金券使用数量
        /// </summary>
        public string coupon_count { get; set; }

        /// <summary>
        /// CASH--充值代金券 
        ///NO_CASH---非充值代金券
        ///订单使用代金券时有返回（取值：CASH、NO_CASH）。$n为下标,从0开始编号，举例：coupon_type_$0
        ///coupon_type_$n
        /// </summary>
        public IList<string> coupon_type_values { get; set; }

        /// <summary>
        /// 代金券ID, $n为下标，从0开始编号
        /// coupon_id_$n
        /// </summary>
        public IList<string> coupon_id_values { get; set; }

        /// <summary>
        /// 单个代金券支付金额, $n为下标，从0开始编号
        /// coupon_fee_$n
        /// </summary>
        public IList<int> coupon_fee_values { get; set; }

        /// <summary>
        /// 微信支付订单号
        /// </summary>
        public string transaction_id { get; set; }

        /// <summary>
        /// 商户系统的订单号，与请求一致。
        /// </summary>
        public string out_trade_no { get; set; }

        /// <summary>
        /// 附加数据，原样返回
        /// </summary>
        public string attach { get; set; }

        /// <summary>
        /// 订单支付时间，格式为yyyyMMddHHmmss，如2009年12月25日9点10分10秒表示为20091225091010
        /// </summary>
        public string time_end { get; set; }

        /// <summary>
        /// 对当前查询订单状态的描述和下一步操作的指引
        /// </summary>
        public string trade_state_desc { get; set; }

        public OrderQueryResult(string resultXml)
            : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                if (base.IsResultCodeSuccess())
                {
                    device_info = GetXmlValue("device_info") ?? "";

                    openid = GetXmlValue("openid") ?? "";
                    is_subscribe = GetXmlValue("is_subscribe") ?? "";

                    sub_openid = GetXmlValue("sub_openid") ?? "";               //用户子标识[服务商]
                    sub_is_subscribe = GetXmlValue("sub_is_subscribe") ?? "";   //是否关注子公众账号[服务商]

                    trade_type = GetXmlValue("trade_type") ?? "";
                    trade_state = GetXmlValue("trade_state") ?? "";
                    bank_type = GetXmlValue("bank_type") ?? "";

                    detail = GetXmlValue("detail") ?? "";                       //商品详情[服务商]

                    total_fee = GetXmlValue("total_fee") ?? "";

                    settlement_total_fee = GetXmlValue("settlement_total_fee") ?? "";

                    fee_type = GetXmlValue("fee_type") ?? "";
                    cash_fee = GetXmlValue("cash_fee") ?? "";
                    cash_fee_type = GetXmlValue("cash_fee_type") ?? "";
                    coupon_fee = GetXmlValue("coupon_fee") ?? "";
                    coupon_count = GetXmlValue("coupon_count") ?? "";

                    #region 特殊"$n"

                    coupon_type_values = GetXmlValues<string>("coupon_type_") ?? new List<string>();
                    coupon_id_values = GetXmlValues<string>("coupon_id_") ?? new List<string>();
                    coupon_fee_values = GetXmlValues<int>("coupon_fee_") ?? new List<int>();

                    #endregion

                    transaction_id = GetXmlValue("transaction_id") ?? "";
                    out_trade_no = GetXmlValue("out_trade_no") ?? "";
                    attach = GetXmlValue("attach") ?? "";
                    time_end = GetXmlValue("time_end") ?? "";
                    trade_state_desc = GetXmlValue("trade_state_desc") ?? "";
                }
            }
        }
    }


    /// <summary>
    /// 关闭订单接口
    /// </summary>
    public class CloseOrderResult : Result
    {
        /// <summary>
        /// 对于业务执行的详细描述
        /// </summary>
        public string result_msg { get; set; }

        public CloseOrderResult(string resultXml) : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                result_msg = GetXmlValue("result_msg") ?? "";
            }
        }
    }

    /// <summary>
    /// 退款查询接口
    /// </summary>
    public class RefundQueryResult : Result
    {
        /// <summary>
        /// 退款记录数
        /// </summary>
        public string total_refund_count { get; set; }

        /// <summary>
        /// 微信订单号
        /// </summary>
        public string transaction_id { get; set; }

        /// <summary>
        /// 商户系统内部的订单号
        /// </summary>
        public string out_trade_no { get; set; }

        /// <summary>
        /// 订单总金额，单位为分，只能为整数
        /// </summary>
        public string total_fee { get; set; }

        /// <summary>
        /// 应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额
        /// </summary>
        public string settlement_total_fee { get; set; }

        /// <summary>
        /// 订单金额货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string fee_type { get; set; }

        /// <summary>
        /// 现金支付金额，单位为分，只能为整数
        /// </summary>
        public string cash_fee { get; set; }

        /// <summary>
        /// 当前返回退款笔数
        /// </summary>
        public string refund_count { get; set; }

        /// <summary>
        /// 商户退款单号
        /// </summary>
        public IList<string> out_refund_no_list { get; set; }
        /// <summary>
        /// 微信退款单号
        /// </summary>
        public IList<string> refund_id_list { get; set; }
        /// <summary>
        /// ORIGINAL—原路退款
        //BALANCE—退回到余额
        /// </summary>
        public IList<string> refund_channel_list { get; set; }
        /// <summary>
        /// 退款总金额,单位为分,可以做部分退款
        /// </summary>
        public IList<string> refund_fee_list { get; set; }
        /// <summary>
        /// 退款金额=申请退款金额-非充值代金券退款金额，退款金额<=申请退款金额
        /// </summary>
        public IList<string> settlement_refund_fee_list { get; set; }
        /// <summary>
        /// REFUND_SOURCE_RECHARGE_FUNDS---可用余额退款/基本账户
        //REFUND_SOURCE_UNSETTLED_FUNDS---未结算资金退款
        /// </summary>
        public string refund_account { get; set; }

        /// <summary>
        /// CASH--充值代金券 
        //NO_CASH---非充值代金券
        //订单使用代金券时有返回（取值：CASH、NO_CASH）。$n为下标,从0开始编号，举例：coupon_type_$0
        /// </summary>
        public IList<string> coupon_type_list { get; set; }
        /// <summary>
        /// 代金券退款金额<=退款金额，退款金额-代金券或立减优惠退款金额为现金
        /// </summary>
        public IList<string> coupon_refund_fee_list { get; set; }
        /// <summary>
        /// 退款代金券使用数量 ,$n为下标,从0开始编号
        /// </summary>
        public IList<string> coupon_refund_count_list { get; set; }
        /// <summary>
        /// 退款代金券ID, $n为下标，$m为下标，从0开始编号
        /// </summary>
        public IList<string> coupon_refund_id_list { get; set; }
        /// <summary>
        /// 单个退款代金券支付金额, $n为下标，$m为下标，从0开始编号
        /// </summary>
        public IList<string> coupon_refund_fee_item_list { get; set; }
        /// <summary>
        /// 退款状态：
        ///SUCCESS—退款成功
        ///FAIL—退款失败
        ///PROCESSING—退款处理中
        ///CHANGE—转入代发，退款到银行发现用户的卡作废或者冻结了，导致原路退款银行卡失败，资金回流到商户的现金帐号，需要商户人工干预，通过线下或者财付通转账的方式进行退款。
        /// </summary>
        public IList<string> refund_status_list { get; set; }
        /// <summary>
        /// 取当前退款单的退款入账方
        ///1）退回银行卡：
        ///{银行名称
        ///    }{卡类型
        ///}{卡尾号}
        ///2）退回支付用户零钱:
        ///支付用户零钱
        /// </summary>
        public IList<string> refund_recv_accout_list { get; set; }
        public RefundQueryResult(string resultXml) : base(resultXml)
        {
            if (base.IsResultCodeSuccess())
            {
                transaction_id = GetXmlValue("transaction_id") ?? "";
                out_trade_no = GetXmlValue("out_trade_no") ?? "";
                total_fee = GetXmlValue("total_fee") ?? "";
                settlement_total_fee = GetXmlValue("settlement_total_fee") ?? "";
                fee_type = GetXmlValue("fee_type") ?? "";
                cash_fee = GetXmlValue("cash_fee") ?? "";
                refund_count = GetXmlValue("refund_count") ?? "";
                out_refund_no_list = GetXmlValues<string>("out_refund_no_") ?? new List<string>();
                refund_id_list = GetXmlValues<string>("refund_id_") ?? new List<string>();
                refund_channel_list = GetXmlValues<string>("refund_channel_") ?? new List<string>();
                refund_fee_list = GetXmlValues<string>("refund_fee_") ?? new List<string>();
                settlement_refund_fee_list = GetXmlValues<string>("settlement_refund_fee_") ?? new List<string>();
                refund_account = GetXmlValue("refund_account") ?? "";
                coupon_type_list = GetXmlValues<string>("coupon_type_") ?? new List<string>();
                coupon_refund_fee_list = GetXmlValues<string>("coupon_refund_fee_") ?? new List<string>();
                coupon_refund_count_list = GetXmlValues<string>("coupon_refund_count_") ?? new List<string>();
                coupon_refund_id_list = GetXmlValues<string>("coupon_refund_id_") ?? new List<string>();
                refund_status_list = GetXmlValues<string>("refund_status_") ?? new List<string>();
                refund_recv_accout_list = GetXmlValues<string>("refund_recv_accout_") ?? new List<string>();
            }
        }
    }

    /// <summary>
    /// 订单退款
    /// </summary>
    public class OrderRefundResult : Result
    {
        /// <summary>
        /// 微信订单号	
        /// </summary>
        public string transaction_id { get; set; }

        /// <summary>
        /// 商户订单号	
        /// </summary>
        public string out_trade_no { get; set; }

        /// <summary>
        /// 商户退款单号	
        /// </summary>
        public string out_refund_no { get; set; }

        /// <summary>
        /// 微信退款单号	
        /// </summary>
        public string refund_id { get; set; }

        /// <summary>
        /// 退款金额	
        /// </summary>
        public string refund_fee { get; set; }

        /// <summary>
        /// 应结退款金额
        /// </summary>
        public string settlement_refund_fee { get; set; }

        /// <summary>
        /// 订单总金额，单位为分，只能为整数
        /// </summary>
        public string total_fee { get; set; }

        /// <summary>
        /// 应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额
        /// </summary>
        public string settlement_total_fee { get; set; }

        /// <summary>
        /// 订单金额货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string fee_type { get; set; }

        /// <summary>
        /// 符合ISO 4217标准的三位字母代码，默认人民币：CNY
        /// </summary>
        public string cash_fee_type { get; set; }

        /// <summary>
        /// 订单现金支付金额
        /// </summary>
        public string cash_fee { get; set; }

        /// <summary>
        /// 现金退款金额	
        /// </summary>
        public string cash_refund_fee { get; set; }

        /// <summary>
        /// 代金券类型
        /// </summary>
        public IList<string> coupon_type_list { get; set; }

        /// <summary>
        /// 代金券退款总金额	
        /// </summary>
        public string coupon_refund_fee { get; set; }

        /// <summary>
        /// 单个代金券退款金额
        /// </summary>
        public IList<string> coupon_refund_fee_list { get; set; }

        /// <summary>
        /// 退款代金券使用数量	
        /// </summary>
        public string coupon_refund_count { get; set; }

        /// <summary>
        /// 退款代金券ID	
        /// </summary>
        public IList<string> coupon_refund_id_list { get; set; }

        public OrderRefundResult(string resultXml) : base(resultXml)
        {
            if (base.IsReturnCodeSuccess())
            {
                if (base.IsResultCodeSuccess())
                {
                    out_refund_no = GetXmlValue("out_refund_no") ?? "";
                    refund_id = GetXmlValue("refund_id") ?? "";
                    refund_fee = GetXmlValue("refund_fee") ?? "";
                    settlement_refund_fee = GetXmlValue("settlement_refund_fee") ?? "";
                    fee_type = GetXmlValue("fee_type") ?? "";
                    total_fee = GetXmlValue("total_fee") ?? "";
                    settlement_total_fee = GetXmlValue("settlement_total_fee") ?? "";
                    cash_refund_fee = GetXmlValue("cash_refund_fee") ?? "";
                    cash_fee_type = GetXmlValue("cash_fee_type") ?? "";
                    cash_fee = GetXmlValue("cash_fee") ?? "";
                    transaction_id = GetXmlValue("transaction_id") ?? "";
                    out_trade_no = GetXmlValue("out_trade_no") ?? "";
                    coupon_type_list = GetXmlValues<string>("coupon_type_") ?? new List<string>();
                    coupon_refund_fee = GetXmlValue("coupon_refund_fee") ?? "";
                    coupon_refund_fee_list = GetXmlValues<string>("coupon_refund_fee_") ?? new List<string>();

                    coupon_refund_id_list = GetXmlValues<string>("coupon_refund_id_list") ?? new List<string>();

                    coupon_refund_count = GetXmlValue("coupon_refund_count");

                }
            }
        }
    }



}