C# 支付宝接口

╰+攻爆jí腚メ 2022-08-27 12:46 213阅读 0赞

生成url连接

using System;
    using System.Data;
    using System.Configuration;
    using System.Collections;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;
    using System.Text;
    public partial class pay : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            Encoding gb2312 = Encoding.GetEncoding("gb2312");
            Response.ContentEncoding = gb2312;
            Request.ContentEncoding = gb2312;
        }
        protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
        {
            if (Request.Cookies[FormsAuthentication.FormsCookieName] != null)
            {
                Vlike_DB_read a = new Vlike_DB_read();
                string zfb_ddh = a.get_zfb_id(Membership.GetUser().UserName, Convert.ToInt32(DropDownList1.SelectedValue));
                Response.Redirect(img("0001", "包月", "影视包月  10元/月", zfb_ddh, "10.00", Membership.GetUser().UserName.ToUpper(), DropDownList1.SelectedValue));
            }
            else
            {
                Response.Write("<script type="text/javascript">alert("请先登陆!");</script>");
            }
        }
        private string img(string strcmd, string strSub, string strSubinfo, string strid, string strMoney, string strUser, string strNum)
        {
            string strsellerEmail = "341081@qq.com";          //卖家支付宝帐号
            string strAc = "";            //卖家支付宝安全校验码
            string INTERFACE_URL = "https://www.alipay.com/payto:";
            string strCmd = strcmd;           //命令字
            string strSubject = strSub;       //商品名
            string strBody = strSubinfo;      //商品描述
            string strOrder_no = strid;       //商户订单号
            string strPrice = strMoney;       //商品单价 0.01～50000.00
            string rurl = "http://";          //商品展示网址
            string strType = "2";             //type支付类型    1：商品购买2：服务购买3：网络拍卖4：捐赠
            string strNumber = strNum;        //购买数量
            string strTransport = "3";        //发货方式        1：平邮2：快递3：虚拟物品
            string strOrdinary_fee = "";      //平邮运费
            string strExpress_fee = "";       //快递运费
            string strReadOnly = "true";      //交易信息是否只读
            string strBuyer_msg = "";         //买家给卖家的留言
            string strBuyer = "";             //买家EMAIL
            string strBuyer_name = strUser;   //买家姓名
            string strBuyer_address = "";     //买家地址
            string strBuyer_zipcode = "";     //买家邮编
            string strBuyer_tel = "";         //买家电话号码
            string strBuyer_mobile = "";      //买家手机号码
            string strPartner = "";           //合作伙伴ID    保留字段
            return CreatUrl(strsellerEmail, strAc, INTERFACE_URL, strCmd, strSubject, strBody,
                strOrder_no, strPrice, rurl, strType, strNumber, strTransport,
                strOrdinary_fee, strExpress_fee, strReadOnly, strBuyer_msg, strBuyer,
                strBuyer_name, strBuyer_address, strBuyer_zipcode, strBuyer_tel,
                strBuyer_mobile, strPartner);
        }
        private string CreatUrl(
            string strsellerEmail,
            string strAc,
            string INTERFACE_URL,
            string strCmd,
            string strSubject,
            string strBody,
            string strOrder_no,
            string strPrice,
            string rurl,
            string strType,
            string strNumber,
            string strTransport,
            string strOrdinary_fee,
            string strExpress_fee,
            string strReadOnly,
            string strBuyer_msg,
            string strBuyer,
            string strBuyer_name,
            string strBuyer_address,
            string strBuyer_zipcode,
            string strBuyer_tel,
            string strBuyer_mobile,
            string strPartner)
        {   //以下参数值不能留空
            string str2CreateAc = "";
            str2CreateAc += "cmd" + strCmd + "subject" + strSubject;
            str2CreateAc += "body" + strBody;
            str2CreateAc += "order_no" + strOrder_no;
            str2CreateAc += "price" + strPrice;
            str2CreateAc += "url" + rurl;
            str2CreateAc += "type" + strType;
            str2CreateAc += "number" + strNumber;
            str2CreateAc += "transport" + strTransport;
            str2CreateAc += "ordinary_fee" + strOrdinary_fee;
            str2CreateAc += "express_fee" + strExpress_fee;
            str2CreateAc += "readonly" + strReadOnly;
            str2CreateAc += "buyer_msg" + strBuyer_msg;
            str2CreateAc += "seller" + strsellerEmail;
            str2CreateAc += "buyer" + strBuyer;
            str2CreateAc += "buyer_name" + strBuyer_name;
            str2CreateAc += "buyer_address" + strBuyer_address;
            str2CreateAc += "buyer_zipcode" + strBuyer_zipcode;
            str2CreateAc += "buyer_tel" + strBuyer_tel;
            str2CreateAc += "buyer_mobile" + strBuyer_mobile;
            str2CreateAc += "partner" + strPartner;
            str2CreateAc += strAc;
            string acCode = GetMD5(str2CreateAc);
            string parameter = "";
            parameter += INTERFACE_URL + strsellerEmail + "?cmd=" + strCmd;
            parameter += "&subject=" + Server.UrlEncode(strSubject);
            parameter += "&body=" + Server.UrlEncode(strBody);
            parameter += "&order_no=" + strOrder_no;
            parameter += "&url=" + rurl;
            parameter += "&price=" + strPrice;
            parameter += "&type=" + strType;
            parameter += "&number=" + strNumber;
            parameter += "&transport=" + strTransport;
            parameter += "&ordinary_fee=" + strOrdinary_fee;
            parameter += "&express_fee=" + strExpress_fee;
            parameter += "&readonly=" + strReadOnly;
            parameter += "&buyer_msg=" + strBuyer_msg;
            parameter += "&buyer=" + strBuyer;
            parameter += "&buyer_name=" + Server.UrlEncode(strBuyer_name);
            parameter += "&buyer_address=" + strBuyer_address;
            parameter += "&buyer_zipcode=" + strBuyer_zipcode;
            parameter += "&buyer_tel=" + strBuyer_tel;
            parameter += "&buyer_mobile=" + strBuyer_mobile;
            parameter += "&partner=" + strPartner;
            parameter += "&ac=" + acCode;
            return parameter;
        }
        private static string GetMD5(string s)
        {
            System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
            byte[] t = md5.ComputeHash(System.Text.Encoding.GetEncoding("gb2312").GetBytes(s));
            System.Text.StringBuilder sb = new System.Text.StringBuilder(32);
            for (int i = 0; i < t.Length; i++)
            {
                sb.Append(t[i].ToString("x").PadLeft(2, "0"));
            }
            return sb.ToString();
        }
    }

接收支付宝信息并进行相应操作

<%@ Page Language="C#" %>
    <%@ Import Namespace="System.Data.SqlClient" %>
    <%@ Import Namespace="System.Data" %>
    <%@ Import Namespace="System.Web" %>
    <%@ Import Namespace="System.IO" %>
    <%@ Import Namespace="System.Net" %>
    <%@ Import Namespace="System.Text" %>
    <%@ Import Namespace="System.Security.Cryptography" %>
    <script type="text/C#" runat="server">
    private string returnTxt = "N";              //返回给支付宝通知接口的结果
    private string alipayNotifyURL = "http://notify.alipay.com/trade/notify_query.do?";    //支付宝查询接口URL
    private string myalipayEmail = "341081@qq.com";            //商户的支付宝Email
    private string constPaySecurityCode = "";                  //码
    private SqlConnection conn = new SqlConnection();
    private string GetMD5(string s)
    {
        System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
        byte[] t = md5.ComputeHash(System.Text.Encoding.GetEncoding("gb2312").GetBytes(s));
        StringBuilder sb = new StringBuilder(32);
        for (int i = 0; i < t.Length; i++)
        {
            sb.Append(t[i].ToString("x").PadLeft(2, "0"));
        }
        return sb.ToString();
    }
    private String Get_Http(String a_strUrl, int timeout)
    {
        string strResult;
        try
        {
            System.Net.HttpWebRequest myReq = (System.Net.HttpWebRequest) System.Net.HttpWebRequest.Create(a_strUrl);
            myReq.Timeout = timeout;
            System.Net.HttpWebResponse HttpWResp = (System.Net.HttpWebResponse) myReq.GetResponse();
            Stream myStream = HttpWResp.GetResponseStream();
            StreamReader sr = new StreamReader(myStream, System.Text.Encoding.Default);
            System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
            while (-1 != sr.Peek())
            {
                strBuilder.Append(sr.ReadLine() + "\r\n");
            }
            strResult = strBuilder.ToString();
        }
        catch (Exception exp)
        {
            strResult = "错误：" + exp.Message;
        }
        return strResult;
    }
    public void send(string sql)
    {
        string dbconn = "data source=127.0.0.1;UID=Cm;PWD=fallenangel;database=text";
        conn = new SqlConnection(dbconn);
        conn.Open();
        SqlCommand cmd = new SqlCommand(sql, conn);
        int aa = cmd.ExecuteNonQuery();
        conn.Close();
    }
    private void Page_Load(object sender, System.EventArgs e)
    {
        //检查支付宝通知接口传递过来的参数是否合法
        string msg_id = System.Web.HttpContext.Current.Request["msg_id"];
        string order_no = System.Web.HttpContext.Current.Request["order_no"];
        string gross = System.Web.HttpContext.Current.Request["gross"];
        string buyer_email = System.Web.HttpContext.Current.Request["buyer_email"];
        string buyer_name = System.Web.HttpContext.Current.Request["buyer_name"];
        string buyer_address = System.Web.HttpContext.Current.Request["buyer_address"];
        string buyer_zipcode = System.Web.HttpContext.Current.Request["buyer_zipcode"];
        string buyer_tel = System.Web.HttpContext.Current.Request["buyer_tel"];
        string buyer_mobile = System.Web.HttpContext.Current.Request["buyer_mobile"];
        string action = System.Web.HttpContext.Current.Request["action"];
        string s_date = System.Web.HttpContext.Current.Request["date"];
        string ac = System.Web.HttpContext.Current.Request["ac"];
        string notify_type = System.Web.HttpContext.Current.Request["notify_type"];
        alipayNotifyURL = alipayNotifyURL + "msg_id=" + msg_id + "&email=" + myalipayEmail + "&order_no=" + order_no;
        //获取支付宝ATN返回结果，true和false都是正确的订单信息，invalid 是无效的
        string responseTxt = Get_Http(alipayNotifyURL, 120000);
        string Str = "msg_id" + msg_id + "order_no" + order_no + "gross" + gross + "buyer_email" + buyer_email + "buyer_name" + buyer_name + "buyer_address" + buyer_address + "buyer_zipcode" + buyer_zipcode + "buyer_tel" + buyer_tel + "buyer_mobile" + buyer_mobile + "action" + action + "date" + s_date + constPaySecurityCode;
        string ac_code = GetMD5(Str);
        if (action == "test") //支付宝接口测试是否有效
        {
            returnTxt = "Y";
        }
        if (action == "sendOff")  //发货通知
        {
            if (responseTxt.Substring(0, 4) == "true" 
                || responseTxt.Substring(0, 4) == "fals")//ATN，验证消息是否支付宝发过来 
            {
                if (ac_code == ac)//验证消息是否被修改
                {
                    //数据库操作
                }
            }
        }
        if (action == "checkOut")  //交易完成通知 
        {
            returnTxt = "N";
            if (responseTxt.Substring(0, 4) == "true"
                || responseTxt.Substring(0, 4) == "fals")//ATN，验证消息是否支付宝发过来 
            {
                if (ac_code == ac)//验证消息是否被修改
                {
                    //数据库操作    
                }
            }
        }
        System.Web.HttpContext.Current.Response.Write(returnTxt);
    }
    </script>