微信支付帮助类

using System;
using System.Collections.Generic;
using System.Web;
using System.Net;
using System.IO;
using System.Text;
using System.Configuration;

namespace Components.Payment.WxPayAPI
{
    public class WxPayApi
    {
        /**
        *    
        * 查询订单
        * @param WxPayData inputObj 提交给查询订单API的参数
        * @param int timeOut 超时时间
        * @throws WxPayException
        * @return 成功时返回订单查询结果，其他抛异常
        */
        public static WxPayData OrderQuery(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/orderquery";
            //检测必填参数
            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
            {
                throw new WxPayException("订单查询接口中，out_trade_no、transaction_id至少填一个！");
            }

            inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str", WxPayApi.GenerateNonceStr());//随机字符串
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名

            string xml = inputObj.ToXml();

            var start = DateTime.Now;

            string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据

            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时

            //将xml格式的数据转化为对象以返回
            WxPayData result = new WxPayData();
            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return result;
        }


        /**
        * 
        * 撤销订单API接口
        * @param WxPayData inputObj 提交给撤销订单API接口的参数，out_trade_no和transaction_id必填一个
        * @param int timeOut 接口超时时间
        * @throws WxPayException
        * @return 成功时返回API调用结果，其他抛异常
        */
        public static WxPayData Reverse(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/secapi/pay/reverse";
            //检测必填参数
            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
            {
                throw new WxPayException("撤销订单API接口中，参数out_trade_no和transaction_id必须填写一个！");
            }

            inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名
            string xml = inputObj.ToXml();

            var start = DateTime.Now;//请求开始时间


            string response = HttpService.Post(xml, url, true, timeOut);


            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();
            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return result;
        }


        /**
        * 
        * 申请退款
        * @param WxPayData inputObj 提交给申请退款API的参数
        * @param int timeOut 超时时间
        * @throws WxPayException
        * @return 成功时返回接口调用结果，其他抛异常
        */
        public static WxPayData Refund(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
            //检测必填参数
            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
            {
                throw new WxPayException("退款申请接口中，out_trade_no、transaction_id至少填一个！");
            }
            else if (!inputObj.IsSet("out_refund_no"))
            {
                throw new WxPayException("退款申请接口中，缺少必填参数out_refund_no！");
            }
            else if (!inputObj.IsSet("total_fee"))
            {
                throw new WxPayException("退款申请接口中，缺少必填参数total_fee！");
            }
            else if (!inputObj.IsSet("refund_fee"))
            {
                throw new WxPayException("退款申请接口中，缺少必填参数refund_fee！");
            }
            else if (!inputObj.IsSet("op_user_id"))
            {
                throw new WxPayException("退款申请接口中，缺少必填参数op_user_id！");
            }

            inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", ""));//随机字符串
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名
            
            string xml = inputObj.ToXml();
            var start = DateTime.Now;

            string response = HttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API

            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时

            //将xml格式的结果转换为对象以返回
            WxPayData result = new WxPayData();
            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return result;
        }


        /**
        * 
        * 查询退款
        * 提交退款申请后，通过该接口查询退款状态。退款有一定延时，
        * 用零钱支付的退款20分钟内到账，银行卡支付的退款3个工作日后重新查询退款状态。
        * out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个
        * @param WxPayData inputObj 提交给查询退款API的参数
        * @param int timeOut 接口超时时间
        * @throws WxPayException
        * @return 成功时返回，其他抛异常
        */
        public static WxPayData RefundQuery(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/refundquery";
            //检测必填参数
            if(!inputObj.IsSet("out_refund_no") && !inputObj.IsSet("out_trade_no") &&
                !inputObj.IsSet("transaction_id") && !inputObj.IsSet("refund_id"))
            {
                throw new WxPayException("退款查询接口中，out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个！");
            }

            inputObj.SetValue("appid",WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id",WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str",GenerateNonceStr());//随机字符串
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名

            string xml = inputObj.ToXml();
        
            var start = DateTime.Now;//请求开始时间

            string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API

            var end = DateTime.Now;
            int timeCost = (int)((end-start).TotalMilliseconds);//获得接口耗时

            //将xml格式的结果转换为对象以返回
            WxPayData result = new WxPayData();
            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报
        
            return result;
        }


        /**
        * 下载对账单
        * @param WxPayData inputObj 提交给下载对账单API的参数
        * @param int timeOut 接口超时时间
        * @throws WxPayException
        * @return 成功时返回，其他抛异常
        */
        public static WxPayData DownloadBill(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/downloadbill";
            //检测必填参数
            if (!inputObj.IsSet("bill_date"))
            {
                throw new WxPayException("对账单接口中，缺少必填参数bill_date！");
            }

            inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名

            string xml = inputObj.ToXml();

            string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API

            WxPayData result = new WxPayData();
            //若接口调用失败会返回xml格式的结果
            if (response.Substring(0, 5) == "<xml>")
            {
                result.FromXml(response);
            }
            //接口调用成功则返回非xml格式的数据
            else
                result.SetValue("result", response);

            return result;
        }


        /**
        * 
        * 转换短链接
        * 该接口主要用于扫码原生支付模式一中的二维码链接转成短链接(weixin://wxpay/s/XXXXXX)，
        * 减小二维码数据量，提升扫描速度和精确度。
        * @param WxPayData inputObj 提交给转换短连接API的参数
        * @param int timeOut 接口超时时间
        * @throws WxPayException
        * @return 成功时返回，其他抛异常
        */
        public static WxPayData ShortUrl(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/tools/shorturl";
            //检测必填参数
            if(!inputObj.IsSet("long_url"))
            {
                throw new WxPayException("需要转换的URL，签名用原串，传输需URL encode！");
            }

            inputObj.SetValue("appid",WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id",WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str",GenerateNonceStr());//随机字符串    
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名
            string xml = inputObj.ToXml();
        
            var start = DateTime.Now;//请求开始时间

            string response = HttpService.Post(xml, url, false, timeOut);

            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();
            result.FromXml(response);
            ReportCostTime(url, timeCost, result);//测速上报
        
            return result;
        }


        /**
        * 
        * 统一下单
        * @param WxPaydata inputObj 提交给统一下单API的参数
        * @param int timeOut 超时时间
        * @throws WxPayException
        * @return 成功时返回，其他抛异常
        */
        public static WxPayData UnifiedOrder(WxPayData inputObj, string key, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
            //检测必填参数
            if (!inputObj.IsSet("out_trade_no"))
            {
                throw new WxPayException("缺少统一支付接口必填参数out_trade_no！");
            }
            else if (!inputObj.IsSet("body"))
            {
                throw new WxPayException("缺少统一支付接口必填参数body！");
            }
            else if (!inputObj.IsSet("total_fee"))
            {
                throw new WxPayException("缺少统一支付接口必填参数total_fee！");
            }
            else if (!inputObj.IsSet("trade_type"))
            {
                throw new WxPayException("缺少统一支付接口必填参数trade_type！");
            }

            //关联参数
            if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
            {
                throw new WxPayException("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！");
            }
            if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
            {
                throw new WxPayException("统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！");
            }

            ////异步通知url未设置，则使用配置文件中的url
            //if (!inputObj.IsSet("notify_url"))
            //{
            //    inputObj.SetValue("notify_url",  ConfigurationManager.AppSettings["Domain"]  + WxPayConfig.NOTIFY_URL);//异步通知url
            //}

            //inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            //inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            //inputObj.SetValue("spbill_create_ip", WxPayConfig.IP);//终端ip              
            inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串

            //签名
            inputObj.SetValue("sign", inputObj.MakeSign(key));
            string xml = inputObj.ToXml();

            var start = DateTime.Now;
            //Functions.Write("当前请求的XML为："+xml);
            string response = HttpService.Post(xml, url, false, timeOut);
            Functions.Write("response:" + response);
            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData(key);
            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return result;
        }

        /**
              * 
              * 统一下单
              * @param WxPaydata inputObj 提交给统一下单API的参数
              * @param int timeOut 超时时间
              * @throws WxPayException
              * @return 成功时返回，其他抛异常
              */
        public static SortedDictionary<string, object> UnifiedOrderStr(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
            //检测必填参数
            if (!inputObj.IsSet("out_trade_no"))
            {
                throw new WxPayException("缺少统一支付接口必填参数out_trade_no！");
            }
            else if (!inputObj.IsSet("body"))
            {
                throw new WxPayException("缺少统一支付接口必填参数body！");
            }
            else if (!inputObj.IsSet("total_fee"))
            {
                throw new WxPayException("缺少统一支付接口必填参数total_fee！");
            }
            else if (!inputObj.IsSet("trade_type"))
            {
                throw new WxPayException("缺少统一支付接口必填参数trade_type！");
            }

            //关联参数
            if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
            {
                throw new WxPayException("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！");
            }
            if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
            {
                throw new WxPayException("统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！");
            }

            //异步通知url未设置，则使用配置文件中的url
            if (!inputObj.IsSet("notify_url"))
            {
                inputObj.SetValue("notify_url", WxPayConfig.NOTIFY_URL);//异步通知url
            }

            //inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            //inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            //inputObj.SetValue("spbill_create_ip", WxPayConfig.IP);//终端ip              
            inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串

            //签名
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));
            string xml = inputObj.ToXml();

            var start = DateTime.Now;
            string response = HttpService.Post(xml, url, false, timeOut);
            Functions.Write("response:" + response);
            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();
            var reslutStr = result.FromXml(response);
            reslutStr.Add("paySign", inputObj.MakeSign(WxPayConfig.KEY));
            ReportCostTime(url, timeCost, result);//测速上报
            return reslutStr;
        }
        /**
        * 
        * 关闭订单
        * @param WxPayData inputObj 提交给关闭订单API的参数
        * @param int timeOut 接口超时时间
        * @throws WxPayException
        * @return 成功时返回，其他抛异常
        */
        public static WxPayData CloseOrder(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/closeorder";
            //检测必填参数
            if(!inputObj.IsSet("out_trade_no"))
            {
                throw new WxPayException("关闭订单接口中，out_trade_no必填！");
            }

            inputObj.SetValue("appid",WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id",WxPayConfig.MCHID);//商户号
            inputObj.SetValue("nonce_str",GenerateNonceStr());//随机字符串        
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名
            string xml = inputObj.ToXml();
        
            var start = DateTime.Now;//请求开始时间

            string response = HttpService.Post(xml, url, false, timeOut);

            var end = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();
            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报
        
            return result;
        }


        /**
        * 
        * 测速上报
        * @param string interface_url 接口URL
        * @param int timeCost 接口耗时
        * @param WxPayData inputObj参数数组
        */
        private static void ReportCostTime(string interface_url, int timeCost, WxPayData inputObj)
        {
            //如果不需要进行上报
            if(WxPayConfig.REPORT_LEVENL == 0)
            {
                return;
            } 

            //如果仅失败上报
            if(WxPayConfig.REPORT_LEVENL == 1 && inputObj.IsSet("return_code") && inputObj.GetValue("return_code").ToString() == "SUCCESS" &&
             inputObj.IsSet("result_code") && inputObj.GetValue("result_code").ToString() == "SUCCESS")
            {
                 return;
            }
         
            //上报逻辑
            WxPayData data = new WxPayData();
            data.SetValue("interface_url",interface_url);
            data.SetValue("execute_time_",timeCost);
            //返回状态码
            if(inputObj.IsSet("return_code"))
            {
                data.SetValue("return_code",inputObj.GetValue("return_code"));
            }
            //返回信息
            if(inputObj.IsSet("return_msg"))
            {
                data.SetValue("return_msg",inputObj.GetValue("return_msg"));
            }
            //业务结果
            if(inputObj.IsSet("result_code"))
            {
                data.SetValue("result_code",inputObj.GetValue("result_code"));
            }
            //错误代码
            if(inputObj.IsSet("err_code"))
            {
                data.SetValue("err_code",inputObj.GetValue("err_code"));
            }
            //错误代码描述
            if(inputObj.IsSet("err_code_des"))
            {
                data.SetValue("err_code_des",inputObj.GetValue("err_code_des"));
            }
            //商户订单号
            if(inputObj.IsSet("out_trade_no"))
            {
                data.SetValue("out_trade_no",inputObj.GetValue("out_trade_no"));
            }
            //设备号
            if(inputObj.IsSet("device_info"))
            {
                data.SetValue("device_info",inputObj.GetValue("device_info"));
            }
        
            try
            {
                Report(data);
            }
            catch (WxPayException ex)
            {
                //不做任何处理
            }
        }


        /**
        * 
        * 测速上报接口实现
        * @param WxPayData inputObj 提交给测速上报接口的参数
        * @param int timeOut 测速上报接口超时时间
        * @throws WxPayException
        * @return 成功时返回测速上报接口返回的结果，其他抛异常
        */
        public static WxPayData Report(WxPayData inputObj, int timeOut = 1)
        {
            string url = "https://api.mch.weixin.qq.com/payitil/report";
            //检测必填参数
            if(!inputObj.IsSet("interface_url"))
            {
                throw new WxPayException("接口URL，缺少必填参数interface_url！");
            } 
            if(!inputObj.IsSet("return_code"))
            {
                throw new WxPayException("返回状态码，缺少必填参数return_code！");
            } 
            if(!inputObj.IsSet("result_code"))
            {
                throw new WxPayException("业务结果，缺少必填参数result_code！");
            } 
            if(!inputObj.IsSet("user_ip"))
            {
                throw new WxPayException("访问接口IP，缺少必填参数user_ip！");
            } 
            if(!inputObj.IsSet("execute_time_"))
            {
                throw new WxPayException("接口耗时，缺少必填参数execute_time_！");
            }

            inputObj.SetValue("appid",WxPayConfig.APPID);//公众账号ID
            inputObj.SetValue("mch_id",WxPayConfig.MCHID);//商户号
            inputObj.SetValue("user_ip",WxPayConfig.IP);//终端ip
            inputObj.SetValue("time",DateTime.Now.ToString("yyyyMMddHHmmss"));//商户上报时间     
            inputObj.SetValue("nonce_str",GenerateNonceStr());//随机字符串
            inputObj.SetValue("sign", inputObj.MakeSign(WxPayConfig.KEY));//签名
            string xml = inputObj.ToXml();


            string response = HttpService.Post(xml, url, false, timeOut);


            WxPayData result = new WxPayData();
            result.FromXml(response);
            return result;
        }

        /**
        * 根据当前系统时间加随机序列来生成订单号
         * @return 订单号
        */
        public static string GenerateOutTradeNo()
        {
            var ran = new Random();
            return string.Format("{0}{1}{2}", WxPayConfig.MCHID, DateTime.Now.ToString("yyyyMMddHHmmss"), ran.Next(999));
        }

        /**
        * 生成时间戳，标准北京时间，时区为东八区，自1970年1月1日 0点0分0秒以来的秒数
         * @return 时间戳
        */
        public static string GenerateTimeStamp()
        {
            TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            return Convert.ToInt64(ts.TotalSeconds).ToString();
        }

        /**
        * 生成随机串，随机串包含字母或数字
        * @return 随机串
        */
        public static string GenerateNonceStr()
        {
            return Guid.NewGuid().ToString().Replace("-", "");
        }
    }
}

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Runtime.Serialization;
using System.IO;
using System.Text;
using System.Net;
using System.Web.Security;
using LitJson;

namespace Components.Payment.WxPayAPI
{
    public class JsApiPay
    {
        /// <summary>
        /// 保存页面对象，因为要在类的方法中使用Page的Request对象
        /// </summary>
        //private Page page {get;set;}

        /// <summary>
        /// openid用于调用统一下单接口
        /// </summary>
        public string openid { get; set; }

        /// <summary>
        /// access_token用于获取收货地址js函数入口参数
        /// </summary>
        public string access_token { get; set; }

        /// <summary>
        /// 商品金额，用于统一下单
        /// </summary>
        public int total_fee { get; set; }

        public string out_trade_no { get; set; }
        public string body { get; set; }
        public string notify_url { get; set; }
        public string appid { get; set; }
        public string mch_id { get; set; }
        public string key { get; set; }
        public string APPSECRET { get; set; }
        /// <summary>
        /// 统一下单接口返回结果
        /// </summary>
        public WxPayData unifiedOrderResult { get; set; }

        public JsApiPay()
        {

        }

        public JsApiPay(string notify_url, string appid, string mch_id, string key, string APPSECRET)
        {
             this.notify_url = notify_url;
             this.appid = appid;
             this.mch_id = mch_id;
             this.key = key;
             this.APPSECRET = APPSECRET;
        }


        /**
        * 
        * 网页授权获取用户基本信息的全部过程
        * 详情请参看网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
        * 第一步：利用url跳转获取code
        * 第二步：利用code去获取openid和access_token
        * 
        */
        public void GetOpenidAndAccessToken()
        {
            var page = HttpContext.Current;
            if (!string.IsNullOrEmpty(page.Request.QueryString["code"]))
            {
                //获取code码，以获取openid和access_token
                string code = page.Request.QueryString["code"];
                GetOpenidAndAccessTokenFromCode(code);
                Functions.Write("第二次执行");
            }
            else
            {
                //构造网页授权获取code的URL
                string host = page.Request.Url.Host;
                string path = page.Request.Path;
                string redirect_uri = HttpUtility.UrlEncode("http://" + host + path);
                WxPayData data = new WxPayData();
                data.SetValue("appid", WxPayConfig.APPID);
                data.SetValue("redirect_uri", redirect_uri);
                data.SetValue("response_type", "code");
                data.SetValue("scope", "snsapi_base");
                data.SetValue("state", "STATE" + "#wechat_redirect");
                string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
                try
                {
                    //触发微信返回code码         
                    page.Response.Redirect(url);//Redirect函数会抛出ThreadAbortException异常，不用处理这个异常
                    
                }
                catch(System.Threading.ThreadAbortException ex)
                {
                    Functions.Write("GetOpenidAndAccessToken()方法异常" + ex.Message);
                }
            }
        }

        /**
        * 
        * 网页授权获取用户基本信息的全部过程
        * 详情请参看网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
        * 
        */
        public JsonData GetUserInfoByOpenidAndAccessToken(string token, string openid)
        {
            WxPayData data = new WxPayData();
            data.SetValue("access_token", token);
            data.SetValue("openid", openid);
            data.SetValue("lang", "zh_CN");
            string url = "https://api.weixin.qq.com/sns/userinfo?" + data.ToUrl();
            try
            {
                //请求url以获取数据
                string result = HttpService.Get(url);
                JsonData jd = JsonMapper.ToObject(result);
                return jd;
            }
            catch (System.Threading.ThreadAbortException ex)
            {
                Functions.Write("GetUserInfoByOpenidAndAccessToken()方法异常" + ex.Message);
                return null;
            }
        }

        /**
        * 
        * 通过code换取网页授权access_token和openid的返回数据，正确时返回的JSON数据包如下：
        * {
        *  "access_token":"ACCESS_TOKEN",
        *  "expires_in":7200,
        *  "refresh_token":"REFRESH_TOKEN",
        *  "openid":"OPENID",
        *  "scope":"SCOPE",
        *  "unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL"
        * }
        * 其中access_token可用于获取共享收货地址
        * openid是微信支付jsapi支付接口统一下单时必须的参数
        * 更详细的说明请参考网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
        * @失败时抛异常WxPayException
        */
        public void GetOpenidAndAccessTokenFromCode(string code)
        {
            try
            {
                //构造获取openid及access_token的url
                WxPayData data = new WxPayData();
                data.SetValue("appid", this.appid);
                data.SetValue("secret", this.APPSECRET);
                data.SetValue("code", code);
                data.SetValue("grant_type", "authorization_code");
                string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();

                //请求url以获取数据
                string result = HttpService.Get(url);
                //保存access_token，用于收货地址获取
                JsonData jd = JsonMapper.ToObject(result);
                access_token = (string)jd["access_token"];

                //获取用户openid
                openid = (string)jd["openid"];
            }
            catch (Exception ex)
            {
                Functions.Write("GetOpenidAndAccessTokenFromCode()方法异常" + ex.Message);
            }
        }

        /**
         * 调用统一下单，获得下单结果
         * @return 统一下单结果
         * @失败时抛异常WxPayException
         */
        public WxPayData GetUnifiedOrderResult()
        {
            //统一下单
            WxPayData data = new WxPayData();
            data.SetValue("body", body);
            //data.SetValue("attach", "test");
            data.SetValue("out_trade_no", out_trade_no);
            data.SetValue("total_fee", total_fee);
            data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
            data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
            data.SetValue("goods_tag", "test");
            data.SetValue("trade_type", "JSAPI");
            data.SetValue("openid", openid);
            data.SetValue("appid", WxPayConfig.APPID);//公众账号ID
            data.SetValue("mch_id", WxPayConfig.MCHID);//商户号
            data.SetValue("spbill_create_ip",Functions.GetIP());//终端ip      
            data.SetValue("notify_url", notify_url);
            WxPayData result = WxPayApi.UnifiedOrder(data,this.key);
            if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "")
            {
                throw new WxPayException("UnifiedOrder response error!");
            }

            unifiedOrderResult = result;
            return result;
        }

        /**
        *  
        * 从统一下单成功返回的数据中获取微信浏览器调起jsapi支付所需的参数，
        * 微信浏览器调起JSAPI时的输入参数格式如下：
        * {
        *   "appId" : "wx2421b1c4370ec43b",     //公众号名称，由商户传入     
        *   "timeStamp":" 1395712654",         //时间戳，自1970年以来的秒数     
        *   "nonceStr" : "e61463f8efa94090b1f366cccfbbb444", //随机串     
        *   "package" : "prepay_id=u802345jgfjsdfgsdg888",     
        *   "signType" : "MD5",         //微信签名方式:    
        *   "paySign" : "70EA570631E4BB79628FBCA90534C63FF7FADD89" //微信签名 
        * }
        * @return string 微信浏览器调起JSAPI时的输入参数，json格式可以直接做参数用
        * 更详细的说明请参考网页端调起支付API：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7
        * 
        */
        public string GetJsApiParameters()
        {

            WxPayData jsApiParam = new WxPayData();
            jsApiParam.SetValue("appId", unifiedOrderResult.GetValue("appid"));
            jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp());
            jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr());
            jsApiParam.SetValue("package", "prepay_id=" + unifiedOrderResult.GetValue("prepay_id"));
            jsApiParam.SetValue("signType", "MD5");
            jsApiParam.SetValue("paySign", jsApiParam.MakeSign(this.key));
            jsApiParam.SetValue("openid", this.openid);
            string parameters = jsApiParam.ToJson();

            return parameters;
        }

        public string GetJsApiParameters(string openid)
        {

            WxPayData jsApiParam = new WxPayData();
            jsApiParam.SetValue("appId", unifiedOrderResult.GetValue("appid"));
            jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp());
            jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr());
            jsApiParam.SetValue("package", "prepay_id=" + unifiedOrderResult.GetValue("prepay_id"));
            jsApiParam.SetValue("signType", "MD5");
            jsApiParam.SetValue("paySign", jsApiParam.MakeSign(this.key));
            jsApiParam.SetValue("openid", openid);
            string parameters = jsApiParam.ToJson();

            return parameters;
        }
        /**
        * 
        * 获取收货地址js函数入口参数,详情请参考收货地址共享接口：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
        * @return string 共享收货地址js函数需要的参数，json格式可以直接做参数使用
        */
        public string GetEditAddressParameters()
        {
            var page = HttpContext.Current;
            string parameter = "";
            try
            {
                string host = page.Request.Url.Host;
                string path = page.Request.Path;
                string queryString = page.Request.Url.Query;
                //这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url
                string url = "http://" + host + path + queryString;

                //构造需要用SHA1算法加密的数据
                WxPayData signData = new WxPayData();
                signData.SetValue("appid", WxPayConfig.APPID);
                signData.SetValue("url", url);
                signData.SetValue("timestamp",WxPayApi.GenerateTimeStamp());
                signData.SetValue("noncestr",WxPayApi.GenerateNonceStr());
                signData.SetValue("accesstoken",access_token);
                string param = signData.ToUrl();

                //SHA1加密
                string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");

                //获取收货地址js函数入口参数
                WxPayData afterData = new WxPayData();
                afterData.SetValue("appId", WxPayConfig.APPID);
                afterData.SetValue("scope","jsapi_address");
                afterData.SetValue("signType","sha1");
                afterData.SetValue("addrSign",addrSign);
                afterData.SetValue("timeStamp",signData.GetValue("timestamp"));
                afterData.SetValue("nonceStr",signData.GetValue("noncestr"));

                //转为json格式
                parameter = afterData.IObjectToJSON();
            }
            catch (Exception ex)
            {
                //throw new WxPayException(ex.ToString());
            }

            return parameter;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Web;
using System.Net;
using System.IO;
using System.Text;
using System.Net.Security;    
using System.Security.Authentication;
using System.Security.Cryptography.X509Certificates;

namespace Components.Payment.WxPayAPI
{
    /// <summary>
    /// http连接基础类，负责底层的http通信
    /// </summary>
    public class HttpService
    {

        public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
        {
            //直接确认，否则打不开    
            return true;
        }

        public static string Post(string xml, string url, bool isUseCert, int timeout)
        {
            System.GC.Collect();//垃圾回收，回收没有正常关闭的http连接

            string result = "";//返回结果

            HttpWebRequest request = null;
            HttpWebResponse response = null;
            Stream reqStream = null;

            try
            {
                //设置最大连接数
                ServicePointManager.DefaultConnectionLimit = 200;
                //设置https验证方式
                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
                {
                    ServicePointManager.ServerCertificateValidationCallback =
                            new RemoteCertificateValidationCallback(CheckValidationResult);
                }

                /***************************************************************
                * 下面设置HttpWebRequest的相关属性
                * ************************************************************/
                request = (HttpWebRequest)WebRequest.Create(url);

                request.Method = "POST";
                request.Timeout = timeout * 1000;

                //设置代理服务器
                //WebProxy proxy = new WebProxy();                          //定义一个网关对象
                //proxy.Address = new Uri(WxPayConfig.PROXY_URL);              //网关服务器端口:端口
                //request.Proxy = proxy;

                //设置POST的数据类型和长度
                request.ContentType = "text/xml";
                byte[] data = System.Text.Encoding.UTF8.GetBytes(xml);
                request.ContentLength = data.Length;

                //是否使用证书
                if (isUseCert)
                {
                    string path = HttpContext.Current.Request.PhysicalApplicationPath;
                    X509Certificate2 cert = new X509Certificate2(path + WxPayConfig.SSLCERT_PATH, WxPayConfig.SSLCERT_PASSWORD);
                    request.ClientCertificates.Add(cert);
                }

                //往服务器写入数据
                reqStream = request.GetRequestStream();
                reqStream.Write(data, 0, data.Length);
                reqStream.Close();

                //获取服务端返回
                response = (HttpWebResponse)request.GetResponse();

                //获取服务端返回数据
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                result = sr.ReadToEnd().Trim();
                sr.Close();
            }
            catch (System.Threading.ThreadAbortException e)
            {
                System.Threading.Thread.ResetAbort();
            }
            catch (WebException e)
            {
                if (e.Status == WebExceptionStatus.ProtocolError)
                {
                }
                throw new WxPayException(e.ToString());
            }
            catch (Exception e)
            {
                throw new WxPayException(e.ToString());
            }
            finally
            {
                //关闭连接和流
                if (response != null)
                {
                    response.Close();
                }
                if(request != null)
                {
                    request.Abort();
                }
            }
            return result;
        }

        /// <summary>
        /// 处理http GET请求，返回数据
        /// </summary>
        /// <param name="url">请求的url地址</param>
        /// <returns>http GET成功后返回的数据，失败抛WebException异常</returns>
        public static string Get(string url)
        {
            System.GC.Collect();
            string result = "";

            HttpWebRequest request = null;
            HttpWebResponse response = null;

            //请求url以获取数据
            try
            {
                //设置最大连接数
                ServicePointManager.DefaultConnectionLimit = 200;
                //设置https验证方式
                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
                {
                    ServicePointManager.ServerCertificateValidationCallback =
                            new RemoteCertificateValidationCallback(CheckValidationResult);
                }

                /***************************************************************
                * 下面设置HttpWebRequest的相关属性
                * ************************************************************/
                request = (HttpWebRequest)WebRequest.Create(url);

                request.Method = "GET";

                //设置代理
                //WebProxy proxy = new WebProxy();
                //proxy.Address = new Uri(WxPayConfig.PROXY_URL);
                //request.Proxy = proxy;

                //获取服务器返回
                response = (HttpWebResponse)request.GetResponse();

                //获取HTTP返回数据
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                result = sr.ReadToEnd().Trim();
                sr.Close();
            }
            catch (System.Threading.ThreadAbortException e)
            {
                System.Threading.Thread.ResetAbort();
            }
            catch (WebException e)
            {
                if (e.Status == WebExceptionStatus.ProtocolError)
                {
                }
                throw new WxPayException(e.ToString());
            }
            catch (Exception e)
            {
                throw new WxPayException(e.ToString());
            }
            finally
            {
                //关闭连接和流
                if (response != null)
                {
                    response.Close();
                }
                if (request != null)
                {
                    request.Abort();
                }
            }
            return result;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Web;
using System.Xml;
using System.Security.Cryptography;
using System.Text;
using LitJson;


namespace Components.Payment.WxPayAPI
{
    /// <summary>
    /// 微信支付协议接口数据类，所有的API接口通信都依赖这个数据结构，
    /// 在调用接口之前先填充各个字段的值，然后进行接口通信，
    /// 这样设计的好处是可扩展性强，用户可随意对协议进行更改而不用重新设计数据结构，
    /// 还可以随意组合出不同的协议数据包，不用为每个协议设计一个数据包结构
    /// </summary>
    public class WxPayData
    {
        public WxPayData()
        {

        }
        public string key { get; set; }
        public WxPayData(string key)
        {
            this.key = key;
        }
        //采用排序的Dictionary的好处是方便对数据包进行签名，不用再签名之前再做一次排序
        private SortedDictionary<string, object> m_values = new SortedDictionary<string, object>();

        /**
        * 设置某个字段的值
        * @param key 字段名
         * @param value 字段值
        */
        public void SetValue(string key, object value)
        {
            m_values[key] = value;
        }

        /**
        * 根据字段名获取某个字段的值
        * @param key 字段名
         * @return key对应的字段值
        */
        public object GetValue(string key)
        {
            object o = null;
            m_values.TryGetValue(key, out o);
            return o;
        }

        /**
         * 判断某个字段是否已设置
         * @param key 字段名
         * @return 若字段key已被设置，则返回true，否则返回false
         */
        public bool IsSet(string key)
        {
            object o = null;
            m_values.TryGetValue(key, out o);
            if (null != o)
                return true;
            else
                return false;
        }

        /**
        * @将Dictionary转成xml
        * @return 经转换得到的xml串
        * @throws WxPayException
        **/
        public string ToXml()
        {
            //数据为空时不能转化为xml格式
            if (0 == m_values.Count)
            {
                throw new WxPayException("WxPayData数据为空!");
            }

            string xml = "<xml>";
            foreach (KeyValuePair<string, object> pair in m_values)
            {
                //字段值不能为null，会影响后续流程
                if (pair.Value == null)
                {
                    throw new WxPayException("WxPayData内部含有值为null的字段!");
                }

                if (pair.Value.GetType() == typeof(int))
                {
                    xml += "<" + pair.Key + ">" + pair.Value + "</" + pair.Key + ">";
                }
                else if (pair.Value.GetType() == typeof(string))
                {
                    xml += "<" + pair.Key + ">" + pair.Value + "</" + pair.Key + ">";
                    //xml += "<" + pair.Key + ">" + "<![CDATA[" + pair.Value + "]]></" + pair.Key + ">";
                }
                else//除了string和int类型不能含有其他数据类型
                {
                    throw new WxPayException("WxPayData字段数据类型错误!");
                }
            }
            xml += "</xml>";
            return xml;
        }

        /**
        * @将xml转为WxPayData对象并返回对象内部的数据
        * @param string 待转换的xml串
        * @return 经转换得到的Dictionary
        * @throws WxPayException
        */
        public SortedDictionary<string, object> FromXml(string xml)
        {
            if (string.IsNullOrEmpty(xml))
            {
                throw new WxPayException("将空的xml串转换为WxPayData不合法!");
            }

            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(xml);
            XmlNode xmlNode = xmlDoc.FirstChild;//获取到根节点<xml>
            XmlNodeList nodes = xmlNode.ChildNodes;
            foreach (XmlNode xn in nodes)
            {
                XmlElement xe = (XmlElement)xn;
                m_values[xe.Name] = xe.InnerText;//获取xml的键值对到WxPayData内部的数据中
            }
            try
            {
                CheckSign(this.key);//验证签名,不通过会抛异常
            }
            catch(WxPayException ex)
            {
                throw new WxPayException(ex.Message);
            }

            return m_values;
        }

        /**
        * @Dictionary格式转化成url参数格式
        * @ return url格式串, 该串不包含sign字段值
        */
        public string ToUrl()
        {
            string buff = "";
            foreach (KeyValuePair<string, object> pair in m_values)
            {
                if (pair.Value == null)
                {
                    throw new WxPayException("WxPayData内部含有值为null的字段!");
                }

                if (pair.Key != "sign" && pair.Value.ToString() != "")
                {
                    buff += pair.Key + "=" + pair.Value + "&";
                }
            }
            buff = buff.Trim('&');
            return buff;
        }


        public string ToJson()
        {
            string jsonStr = JsonMapper.ToJson(m_values);
            return jsonStr;
        }

        /**
        * @values格式化成能在Web页面上显示的结果（因为web页面上不能直接输出xml格式的字符串）
        */
        public string ToPrintStr()
        {
            string str = "";
            foreach (KeyValuePair<string, object> pair in m_values)
            {
                if (pair.Value == null)
                {
                    throw new WxPayException("WxPayData内部含有值为null的字段!");
                }

                str += string.Format("{0}={1}<br>", pair.Key, pair.Value.ToString());
            }
            return str;
        }

        /**
        * @生成签名，详见签名生成算法
        * @return 签名, sign字段不参加签名
        */
        public string MakeSign(string key)
        {
            //转url格式
            string str = ToUrl();
            //Functions.Write("转url格式str" + str);
            //在string后加入API KEY
            str += "&key=" + key;
            //MD5加密
            var md5 = MD5.Create();
            var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
            var sb = new StringBuilder();
            foreach (byte b in bs)
            {
                sb.Append(b.ToString("x2"));
            }
            //所有字符转为大写
            return sb.ToString().ToUpper();
        }

        /**
        * 
        * 检测签名是否正确
        * 正确返回true，错误抛异常
        */
        public bool CheckSign(string key)
        {
            //如果没有设置签名，则跳过检测
            if (!IsSet("sign"))
            {
                return true;
            }
            //如果设置了签名但是签名为空，则抛异常
            else if(GetValue("sign") == null || GetValue("sign").ToString() == "")
            {
                throw new WxPayException("WxPayData签名存在但不合法!");
            }

            //获取接收到的签名
            string return_sign = GetValue("sign").ToString();

            //在本地计算新的签名
            string cal_sign = MakeSign(key);

            if (cal_sign == return_sign)
            {
                return true;
            }

            throw new WxPayException("WxPayData签名验证错误!");
        }

        /**
        * @获取Dictionary
        */
        public SortedDictionary<string, object> GetValues()
        {
            return m_values;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Web;

namespace Components.Payment.WxPayAPI
{
    /**
    *     配置账号信息
    */
    public class WxPayConfig
    {

        //=======【基本信息设置】=====================================
        /* 微信公众号信息配置
        * APPID：绑定支付的APPID（必须配置）
        * MCHID：商户号（必须配置）
        * KEY：商户支付密钥，参考开户邮件设置（必须配置）
        * APPSECRET：公众帐号secert（仅JSAPI支付的时候需要配置）
        */
        public const string APPID = "wx7db8888888888888";
        public const string MCHID = "1234567890";
        public const string KEY = "";
        public const string APPSECRET = "";

        //=======【证书路径设置】===================================== 
        /* 证书路径,注意应该填写绝对路径（仅退款、撤销订单时需要）
        */
        public const string SSLCERT_PATH = "cert/apiclient_cert.p12";
        public const string SSLCERT_PASSWORD = "1234567890";



        //=======【支付结果通知url】===================================== 
        /* 支付结果通知回调url，用于商户接收支付结果
        */
        public const string NOTIFY_URL = "/Mobile/WXPay/WXPayNotify";

        //=======【商户系统后台机器IP】===================================== 
        /* 此参数可手动配置也可在程序中自动获取
        */
        public const string IP = "8.8.8.8";


        //=======【代理服务器设置】===================================
        /* 默认IP和端口号分别为0.0.0.0和0，此时不开启代理（如有需要才设置）
        */
        public const string PROXY_URL = "http://10.152.18.220:8080";

        //=======【上报信息配置】===================================
        /* 测速上报等级，0.关闭上报; 1.仅错误时上报; 2.全量上报
        */
        public const int REPORT_LEVENL = 1;

        //=======【日志级别】===================================
        /* 日志等级，0.不输出日志；1.只输出错误信息; 2.输出错误和正常信息; 3.输出错误信息、正常信息和调试信息
        */
        public const int LOG_LEVENL = 0;
    }
}

根据以上的帮助类，可以在后台构造APP支付所需要的签名参数，或者生成公众号支付的参数，代码使用示例

/// <summary>
        /// 支付宝App支付
        /// </summary>
        /// <param name="postData"></param>
        /// <returns></returns>
        public ApiResult AliServicePayMethodToApi(IDictionary<string, string> postData)
        {
            var res = new ApiResult();
            // 从数据库取得部分参数
            var m_info = GetAliAppPayParamsInfo(true);
            List<string> ordreNoList = new List<string>();
            // 参数设置
            string service = "mobile.securitypay.pay";
            string out_trade_no = "";
            string total_fee = "";
            // 判断是交易号还是订单号
            if (postData.ContainsKey("out_trade_no"))
            {
                out_trade_no = postData["out_trade_no"];
                string orderno = string.Empty;
                int order_type = 0;
                if (out_trade_no.Contains('_'))
                {
                    orderno = out_trade_no.Split('_')[0].IString();
                    order_type = out_trade_no.Split('_')[1].IInt();
                }
                if (order_type == EnumOrderTypeSuffix.交易订单.IInt())
                {
                    OrderTradingModels tradingmodel = UContainer.GetInstanse<IOrderBaseData>().GetOrderTradingInfo(orderno);
                    if (!tradingmodel.IsEmpty())
                    {
                        total_fee = tradingmodel.TotalAmount.IString();
                    }
                }
                else if (order_type == EnumOrderTypeSuffix.商品订单.IInt())
                {
                    OrderInfoModels orderModel = UContainer.GetInstanse<IOrderBaseData>().GetOrderInfoByOrderNo(orderno);
                    if (!orderModel.IsEmpty())
                    {
                        total_fee = orderModel.TotalAmount.IString();
                    }
                }
                else if (order_type == EnumOrderTypeSuffix.服务订单.IInt())
                {
                    var serviceorderinfo = UContainer.GetInstanse<IServiceOrderBaseData>().GetServiceOrderInfoByOrderNo(orderno);
                    if (!serviceorderinfo.IsEmpty())
                    {
                        total_fee = serviceorderinfo.TotalAmount.IString();
                    }
                }
            }

            string notify_url = ConfigurationManager.AppSettings["Domain"] + "/Mobile/Alipay/Notify_Url";
            string return_url = ConfigurationManager.AppSettings["Domain"] + "/Mobile/Alipay/PaySuccess";
            string payment_type = "1";

            Config.Partner = m_info.Partner;
            Config.Seller_id = m_info.SellerId;
            Config.Private_key = m_info.RsaPrivate;
            Config.Public_key = m_info.RsaPublic;

            //参数签名
            SortedDictionary<string, string> dicArrayPre = new SortedDictionary<string, string>();
            dicArrayPre.Add("partner", Config.Partner);
            dicArrayPre.Add("seller_id", Config.Seller_id);
            dicArrayPre.Add("out_trade_no", out_trade_no);
            dicArrayPre.Add("subject", "uyacOrder");
            dicArrayPre.Add("body", "XXX交易订单");
            dicArrayPre.Add("total_fee", total_fee);
            dicArrayPre.Add("notify_url", notify_url);
            dicArrayPre.Add("service", service);
            dicArrayPre.Add("payment_type", payment_type);
            dicArrayPre.Add("_input_charset", Config.Input_charset.ToLower());
            dicArrayPre.Add("return_url", return_url);
            dicArrayPre.Add("it_b_pay", "30m");

            string str = Submit.BuildRequestParaToStringNoEncode(dicArrayPre);
            if (!str.IsEmpty() && str.ToString() != "")
            {
                res.Result = str;
                res.Message = "调用成功";
                res.Code = "000";
            }
            else
            {
                res.Message = "支付参数有误，请联系商家";
            }
            return res;
        }