.NET支付宝接口

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 = "[email protected]" ;          //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

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108

<%@ 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 = "[email protected]" ; //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>