ASP.NET财付通支付接口源码_ASP.NET学习网|ASP.NET教程|ASP.NET MVC|ASP.NET 源码|VS2010教程|ASP.NET视频教程

Pay.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Security.Cryptography;
using System.Configuration;

namespace Help
{
    public class Pay
    {
        #region 财付通接口
        /// <summary>
        /// 财付通接口
        /// </summary>
        /// <param name="proName">商品名</param>
        /// <param name="orderID">订单号</param>
        /// <param name="total">货品总价格</param>
        /// <param name="Seller">卖家财付通号</param>
        /// <param name="TransportType">物流方式</param>
        /// <param name="TransportPrice">物流费用</param>
        /// <returns></returns>
        public static string getTenpayUrl(string proName,string orderID,string total,string Seller,string TransportType,string TransportPrice)
        {
            //接收传给财付通网关的商户订单的参数
            Md5Pay md5pay = new Md5Pay();

//utf-8编码
md5pay.Encode_type = 1;

//卖家商户号
md5pay.Seller = Seller;

            //商品名称
            proName = proName.Replace("<", "").Replace(">", "").Replace("%", "").Replace("&", "").Replace("\"", "").Replace("'", "").Replace("=", "").Replace("?", "")
                .Replace("+","").Replace("#","");
            md5pay.Mch_name = bSubstring(proName, 32);

//商品价格（分为单位）
md5pay.Mch_price = int.Parse(Math.Round(decimal.Parse(total) * 100).ToString());

//物流方式
md5pay.Transport_desc = TransportType;

//物流费用
md5pay.Transport_fee = int.Parse(Math.Round(decimal.Parse(TransportPrice) * 100).ToString());

//交易描述
md5pay.Mch_desc = proName;

//交易类型：1、实物交易，2、虚拟交易。
md5pay.Mch_type = 1;

//网站内部交易订单号
md5pay.Mch_vno = orderID;

//该参数财付通不做处理。回调时原样返回。为商户可能的个性化应用预留。
md5pay.Attach = "thesamereturn";

            string url = "";
            if (!md5pay.GetPayUrl(out url))
            {
                return HttpContext.Current.Request.FilePath;
            }
            return url;
        }

        /// <summary>
        /// 根据字节数截取字符串
        /// </summary>
        /// <param name="s">字符串</param>
        /// <param name="length">要截取的字节数</param>
        /// <returns></returns>
        private static string bSubstring(string s, int length)
        {
            byte[] bytes = System.Text.Encoding.Unicode.GetBytes(s);
            if (bytes.Length <= length)
                return s;
            int n = 0; // 表示当前的字节数
            int i = 0; // 要截取的字节数
            for (; i < bytes.GetLength(0) && n < length; i++)
            {
                // 偶数位置，如0、2、4等，为UCS2编码中两个字节的第一个字节
                if (i % 2 == 0)
                {
                    n++;      // 在UCS2第一个字节时n加1
                }
                else
                {
                    // 当UCS2编码的第二个字节大于0时，该UCS2字符为汉字，一个汉字算两个字节
                    if (bytes[i] > 0)
                    {
                        n++;
                    }
                }
            }
            // 如果i为奇数时，处理成偶数
            if (n % 2 == 1)
            {
                // 该UCS2字符是汉字时，去掉这个截一半的汉字
                if (bytes[i] > 0)
                    i = i - 1;
                 // 该UCS2字符是字母或数字，则保留该字符
                else
                    i = i + 1;
            }
            return System.Text.Encoding.Unicode.GetString(bytes, 0, i);
        }
        #endregion

}
}

Md5pay.cs （转载自财付通接口实例）
using System;
using System.Text;
using System.Security.Cryptography;
using System.Collections.Specialized;
using System.Configuration;
using System.Web.UI;
using System.Web;

namespace Help
{
    /// <summary>
    /// 完成功能如下
    /// 1:支付请求
    /// 2:支付结果处理。
    /// 3:查询订单请求.
    /// 4:查询订单结果处理.
    /// </summary>
    public class Md5Pay
    {

        /// <summary>
        /// 参数附值,很多参数附值后并不能传给财付通前台验证
        /// 这里只是给予一个参照.
        /// </summary>
        private string chnid = ConfigurationSettings.AppSettings["bargainor_id"];
        //平台提供者的财付通账号
        public string Chnid
        {
            get { return chnid; }
            set { chnid = value; }
        }

        private int cmdno = 12;
        //任务代码,暂定值:12
        public int Cmdno
        {
            get { return cmdno; }
            set { cmdno = value; }
        }

        private int encode_type = 1;
        //1：GB2312编码，默认为GB2312编码。2：UTF-8编码。
        public int Encode_type
        {
            get { return encode_type; }
            set { encode_type = value; }
        }

        private string mch_desc = "测试交易描述";
        //交易说明，不能包含<>’”%特殊字符
        public string Mch_desc
        {
            get { return mch_desc; }
            set { mch_desc = value; }
        }

        private string mch_name = "";
        //商品名称，不能包含<>’”%特殊字符
        public string Mch_name
        {
            get { return mch_name; }
            set { mch_name = value; }
        }

        private int mch_price = 1;
        //商品总价，单位为分。而财付通界面不再允许选择数量
        public int Mch_price
        {
            get { return mch_price; }
            set { mch_price = value; }
        }

        private int mch_type = 1;
        //交易类型：1、实物交易，2、虚拟交易
        public int Mch_type
        {
            get { return mch_type; }
            set { mch_type = value; }
        }

        private int need_buyerinfo = 2;
        //是否需要在财付通填定物流信息，1：需要，2：不需要。
        public int Need_buyerinfo
        {
            get { return need_buyerinfo; }
            set { need_buyerinfo = value; }
        }

        private string sign = "";
        //签名
        public string Sign
        {
            get { return sign; }
            set { sign = value; }
        }

        private string seller = "88881491";
        //收款方财付通账号
        public string Seller
        {
            get { return seller; }
            set { seller = value; }
        }

        private string transport_desc = "测试物流信息";
        //物流公司或物流方式说明
        public string Transport_desc
        {
            get { return transport_desc; }
            set { transport_desc = value; }
        }

        private string version = "2";
        //版本号
        public string Version
        {
            get { return version; }
            set { version = value; }
        }

        private int total_fee = 1;
        //订单总价,单位为分
        public int Total_fee
        {
            get { return total_fee; }
            set { total_fee = value; }
        }

        private int trade_price = 1;
        //商品总价格
        public int Trade_price
        {
            get { return trade_price; }
            set { trade_price = value; }
        }

        private int transport_fee = 0;
        //物流价格
        public int Transport_fee
        {
            get { return transport_fee; }
            set { transport_fee = value; }
        }

        //商户定单号,只能为数字
        private string mch_vno = "1122334455";
        ///商家定单号，此参数仅在对账时提供。YYYYMMDDXXXX
        public string Mch_vno
        {
            get { return mch_vno; }
            set { mch_vno = value; }
        }

        private int retcode = 0;
        ///0,交易成功，其它值，标识交易失败的状态。
        public int Retcode
        {
            get { return retcode; }
            set { retcode = value; }
        }

        private string status = "3";
        ///交易状态：1交易创建 2收获地址填写完毕 3买家付款成功 4卖家发货成功
        public string Status
        {
            get { return status; }
            set { status = value; }
        }

        private string buyer_id = "40669760";
        ///买家财付通帐号
        public string Buyer_id
        {
            get { return buyer_id; }
            set { buyer_id = value; }
        }

        private string cft_tid = "";
        ///财付通交易单号
        public string Cft_tid
        {
            get { return cft_tid; }
            set { cft_tid = value; }
        }

        private string key = ConfigurationSettings.AppSettings["key_id"];
        /// 商户KEY（替换为自已的KEY）
        public string Key
        {
            get { return key; }
            set { key = value; }
        }
        private string paygateurl = ConfigurationSettings.AppSettings["paygateurl"];/// 财付通支付网关URL

private string querygateurl = ConfigurationSettings.AppSettings["querygateurl"];/// 财付通查询请求URL

        /// <summary>
        /// 支付结果回跳页面
        /// 推荐使用ip地址的方式(最长255个字符)
        /// 可以使用相对地址或配置,在使用前拼装全地址就行.这样方便部署.
        /// </summary>
        private string mch_returl = ConfigurationSettings.AppSettings["mch_returl"];

        /// <summary>
        /// 查询结果回跳页面
        /// 推荐使用ip地址的方式(最长255个字符)
        /// 可以使用相对地址或配置,在使用前拼装全地址就行.这样方便部署.
        /// </summary>
        private string show_url = ConfigurationSettings.AppSettings["show_url"];

private const int querycmdno = 2;/// 查询命令.2

private string date;//日期

#region 日期字段设置,格式为yyyyMMdd

        /// <summary>
        /// 支付日期,yyyyMMdd
        /// </summary>
        public string Date
        {
            get
            {
                if (date == null)
                {
                    date = DateTime.Now.ToString("yyyyMMdd");
                }

                return date;
            }
            set
            {
                if (value == null || value.Trim().Length != 8)
                {
                    date = DateTime.Now.ToString("yyyyMMdd");
                }
                else
                {
                    try
                    {
                        string strTmp = value.Trim();
                        date = DateTime.Parse(strTmp.Substring(0, 4) + "-" + strTmp.Substring(4, 2) + "-"
                            + strTmp.Substring(6, 2)).ToString("yyyyMMdd");
                    }
                    catch
                    {
                        date = DateTime.Now.ToString("yyyyMMdd");
                    }

                }
            }
        }

#endregion

        private string attach = "test11";
        /// <summary>
        /// 指令标识,每次指令都会有这个字段,财付通在处理完成后会原样返回.
        /// </summary>
        public string Attach
        {
            get { return UrlDecode(attach); }
            set { attach = UrlEncode(value); }
        }

        private string payerrmsg = "";
        /// <summary>
        /// 如果为支付失败时,财付通返回的错误信息
        /// </summary>
        public string PayErrMsg
        {
            get { return payerrmsg; }
        }

        /// <summary>
        /// 对字符串进行URL编码
        /// </summary>
        /// <param name="instr">待编码的字符串</param>
        /// <returns>编码结果</returns>
        private static string UrlEncode(string instr)
        {
            if (instr == null || instr.Trim() == "")
                return "";
            else
            {

                return instr.Replace("%", "%25").Replace("=", "%3d").Replace("&", "%26").
                       Replace("\"", "%22").Replace("?", "%3f").Replace("'", "%27").Replace(" ", "%20");
            }
        }

        /// <summary>
        /// 对字符串进行URL解码
        /// </summary>
        /// <param name="instr">待解码的字符串</param>
        /// <returns>解码结果</returns>
        private static string UrlDecode(string instr)
        {
            if (instr == null || instr.Trim() == "")
                return "";
            else
            {
                return instr.Replace("%3d", "=").Replace("%26", "&").Replace("%22", "\"").Replace("%3f", "?")
                    .Replace("%27", "'").Replace("%20", " ").Replace("%25", "%");
            }
        }

        /// <summary>
        /// 获取大写的MD5签名结果
        /// </summary>
        /// <param name="encypStr"></param>
        /// <returns></returns>
        private static string GetMD5(string encypStr)
        {
            string retStr;
            MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider();

            //创建md5对象
            byte[] inputBye;
            byte[] outputBye;

//使用GB2312编码方式把字符串转化为字节数组．
inputBye = Encoding.GetEncoding("gb2312").GetBytes(encypStr);

outputBye = m5.ComputeHash(inputBye);

            retStr = System.BitConverter.ToString(outputBye);
            retStr = retStr.Replace("-", "").ToUpper();
            return retStr;
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        public Md5Pay()
        {

}

        /// <summary>
        /// 添加参数,惹参数值不为空串,则添加。反之,不添加。
        /// </summary>
        protected StringBuilder AddParameter(StringBuilder buf,
            String parameterName,
            String parameterValue)
        {

            if (null == parameterValue || "".Equals(parameterValue))
            {
                return buf;
            }

            if ("".Equals(buf.ToString()))
            {
                buf.Append(parameterName);
                buf.Append("=");
                buf.Append(parameterValue);
            }
            else
            {
                buf.Append("&");
                buf.Append(parameterName);
                buf.Append("=");
                buf.Append(parameterValue);
            }
            return buf;
        }

        /// <summary>
        /// 获取支付签名
        /// </summary>
        /// <returns>根据参数得到签名</returns>
        public string GetPaySign()
        {
            StringBuilder buf = new StringBuilder();
            AddParameter(buf, "attach", attach);
            AddParameter(buf, "chnid", chnid);
            AddParameter(buf, "cmdno", (cmdno).ToString());
            AddParameter(buf, "encode_type", (encode_type).ToString());
            AddParameter(buf, "mch_desc", mch_desc);
            AddParameter(buf, "mch_name", mch_name);
            AddParameter(buf, "mch_price", (mch_price).ToString());
            AddParameter(buf, "mch_returl", mch_returl);
            AddParameter(buf, "mch_type", (mch_type).ToString());
            AddParameter(buf, "mch_vno", mch_vno);
            AddParameter(buf, "need_buyerinfo", (need_buyerinfo).ToString());
            AddParameter(buf, "seller", seller);
            AddParameter(buf, "show_url", show_url);
            AddParameter(buf, "transport_desc", transport_desc);
            AddParameter(buf, "transport_fee", (transport_fee).ToString());
            AddParameter(buf, "version", version);
            AddParameter(buf, "key", key);

return GetMD5(buf.ToString());
}

        /// <summary>
        /// 获取支付结果签名
        /// </summary>
        /// <returns>根据参数得到签名</returns>
        public string GetPayResultSign()
        {
            StringBuilder buf = new StringBuilder();
            AddParameter(buf, "attach", attach);
            AddParameter(buf, "buyer_id", buyer_id);
            AddParameter(buf, "cft_tid", (cft_tid).ToString());
            AddParameter(buf, "chnid", (chnid).ToString());
            AddParameter(buf, "cmdno", (cmdno).ToString());
            AddParameter(buf, "mch_vno", mch_vno);
            AddParameter(buf, "retcode", (retcode).ToString());
            AddParameter(buf, "seller", seller);
            AddParameter(buf, "status", (status).ToString());
            AddParameter(buf, "total_fee", (total_fee).ToString());
            AddParameter(buf, "trade_price", (trade_price).ToString());
            AddParameter(buf, "transport_fee", (transport_fee).ToString());
            AddParameter(buf, "version", version);
            AddParameter(buf, "key", key);

return GetMD5(buf.ToString());
}

        /// <summary>
        /// 获取支付页面URL
        /// </summary>
        /// <param name="url">如果函数返回真,是支付URL,如果函数返回假,是错误信息</param>
        /// <returns>函数执行是否成功</returns>
        public bool GetPayUrl(out string url)
        {
            try
            {
                string sign = GetPaySign();

                url = paygateurl + "?attach=" + attach + "&chnid=" + chnid + "&cmdno=" + cmdno + "&encode_type=" + encode_type + "&mch_desc=" + mch_desc
                + "&mch_name=" + mch_name + "&mch_price=" + mch_price + "&mch_returl="
                + mch_returl + "&mch_type=" + mch_type + "&mch_vno=" + mch_vno + "&need_buyerinfo=" + need_buyerinfo + "&seller=" + seller
                + "&show_url=" + show_url + "&transport_desc=" + transport_desc + "&transport_fee=" + transport_fee + "&version=" + version + "&sign=" + sign;

                return true;
            }
            catch (Exception err)
            {
                url = "创建URL时出错,错误信息:" + err.Message;
                return false;
            }
        }

        /// <summary>
        /// 从支付结果页面的URL请求参数中获取结果信息
        /// </summary>
        /// <param name="querystring">支付结果页面的URL请求参数</param>
        /// <param name="errmsg">函数执行不成功的话,返回错误信息</param>
        /// <returns>函数执行是否成功</returns>
        public bool GetPayValueFromUrl(NameValueCollection querystring, out string errmsg)
        {

            //结果URL参数样例如下
            /*
            ?cmdno=1&pay_result=0&pay_info=OK&date=20070423&seller=1201143001&transaction_id=1201143001200704230000000013
            &sp_billno=13&mch_price=1&fee_type=1&attach=%D5%E2%CA%C7%D2%BB%B8%F6%B2%E2%CA%D4%BD%BB%D2%D7%B5%A5
            &sign=ADD7475F2CAFA793A3FB35051869E301
            */
            #region 进行参数校验

            if (querystring == null || querystring.Count == 0)
            {
                errmsg = "参数为空";
                return false;
            }

            if (querystring["cmdno"] == null || querystring["cmdno"].ToString().Trim() != cmdno.ToString())
            {
                errmsg = "没有cmdno参数或cmdno参数不正确";
                return false;
            }

            if (querystring["seller"] == null)
            {
                errmsg = "没有seller参数";
                return false;
            }

            if (querystring["buyer_id"] == null)
            {
                errmsg = "没有buyer_id参数";
                return false;
            }

            if (querystring["cft_tid"] == null)
            {
                errmsg = "没有cft_tid参数";
                return false;
            }

            if (querystring["mch_vno"] == null)
            {
                errmsg = "没有mch_vno参数";
                return false;
            }

            if (querystring["retcode"] == null)
            {
                errmsg = "没有retcode参数";
                return false;
            }

            if (querystring["status"] == null)
            {
                errmsg = "没有status参数";
                return false;
            }

            if (querystring["total_fee"] == null)
            {
                errmsg = "没有total_fee参数";
                return false;
            }

            if (querystring["attach"] == null)
            {
                errmsg = "没有attach参数";
                return false;
            }

            if (querystring["trade_price"] == null)
            {
                errmsg = "没有trade_price参数";
                return false;
            }

            if (querystring["transport_fee"] == null)
            {
                errmsg = "没有transport_fee参数";
                return false;
            }

            //            if(querystring["version"] == null)
            //            {
            //                errmsg = "没有version参数";
            //                return false;
            //            }

            if (querystring["chnid"] == null)
            {
                errmsg = "没有chnid参数";
                return false;
            }
            if (querystring["sign"] == null)
            {
                errmsg = "没有sign参数";
                return false;
            }

            #endregion
            errmsg = "";
            try
            {
                attach = querystring["attach"];
                buyer_id = querystring["buyer_id"];
                cft_tid = querystring["cft_tid"];
                chnid = querystring["chnid"];
                cmdno = Int32.Parse(querystring["cmdno"]);
                mch_vno = querystring["mch_vno"];
                retcode = Int32.Parse(querystring["retcode"]);
                seller = querystring["seller"];
                status = querystring["status"];
                total_fee = Int32.Parse(querystring["total_fee"]);
                trade_price = Int32.Parse(querystring["trade_price"]);
                transport_fee = Int32.Parse(querystring["transport_fee"]);
                version = querystring["version"];

string strsign = querystring["sign"];
string sign = GetPayResultSign();

                if (sign != strsign)//验证签名
                {
                    errmsg = "验证签名失败";
                    return false;
                }

                return true;
            }
            catch (Exception err)
            {
                errmsg = "解析参数出错:" + err.Message;
                return false;
            }
        }
    }
}

web.config

(责任编辑：admin)

asp.net中页面执行耗时-时间差	生成Excel高级报表
图片裁剪PhotoCropper	asp.net桌面快捷方式
C# webBrowser强制在本窗口打开，禁止在新窗口打开	用.net静态变量取代Application速度更快
五分钟学会VB.NET实现拖放	Asp.net中执行sql脚本
利用IronPython实现.NET接口	一个简易在线相册
C#常用函数表及Asp.net(C#)常用函数表	.Net提交POST
Asp.Net读取文本文件显示不了空格	RegisterStartupScript与RegisterClientScript
图片左右游览	ASP.NET2.0中Themes、Skins轻松实现网站换肤
Asp.net＂页面加载中＂效果实现	Convert.ToString和ToString的一点区别(C#)

ASP.NET学习网|ASP.NET教程|ASP.NET MVC|ASP.NET 源码|VS2010教程|ASP.NET视频教程

热门标签

ASP.NET财付通支付接口源码

Tags：