C#.net 支付宝接口

生成URL链接

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

<%@ Import NameSpace="System.Data.SqlClient"%>
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<%@ Import NameSpace="System.Data"%>
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<%@ Import NameSpace="System.Web"%>
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<%@ Import NameSpace="System.IO"%>
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<%@ Import NameSpace="System.Net"%>
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<%@ Import NameSpace="System.Text"%>
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<%@ Import NameSpace="System.Security.Cryptography"%>
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<%@ Page Language="C#"%>
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private string returnTxt = "N"; //返回给支付宝通知接口的结果
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private string alipayNotifyURL = "http://notify.alipay.com/trade/notify_query.do?"; //支付宝查询接口URL
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private string myalipayEmail = "341081@qq.com"; //商户的支付宝Email
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private string constPaySecurityCode = ""; //码
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private SqlConnection conn = new SqlConnection();
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private string GetMD5(string s)
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{
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System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
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byte[] t = md5.ComputeHash(System.Text.Encoding.GetEncoding("gb2312").GetBytes(s));
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StringBuilder sb = new StringBuilder(32);
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for (int i = 0; i < t.Length; i++)
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{
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sb.Append(t[i].ToString("x").PadLeft(2, '0'));
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}
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return sb.ToString();
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}
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private String Get_Http(String a_strUrl,int timeout)
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{
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string strResult ;
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try
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{
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System.Net.HttpWebRequest myReq = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(a_strUrl) ;
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myReq.Timeout = timeout;
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System.Net.HttpWebResponse HttpWResp = (System.Net.HttpWebResponse)myReq.GetResponse();
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Stream myStream = HttpWResp.GetResponseStream () ;
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StreamReader sr = new StreamReader(myStream , System.Text.Encoding.Default);
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System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
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while (-1 != sr.Peek())
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{
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strBuilder.Append(sr.ReadLine()+"\r\n");
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}
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strResult = strBuilder.ToString();
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}
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catch(Exception exp)
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{
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strResult = "错误：" + exp.Message ;
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}
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return strResult ;
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}
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public void send(string sql)
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{
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string dbconn = "data source=127.0.0.1;UID=Cm;PWD=fallenangel;database=text";
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conn = new SqlConnection(dbconn);
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conn.Open();
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SqlCommand cmd = new SqlCommand(sql, conn);
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int aa = cmd.ExecuteNonQuery();
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conn.Close();
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}
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private void Page_Load(object sender, System.EventArgs e)
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{
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//检查支付宝通知接口传递过来的参数是否合法
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string msg_id = System.Web.HttpContext.Current.Request["msg_id"];
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string order_no = System.Web.HttpContext.Current.Request["order_no"];
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string gross = System.Web.HttpContext.Current.Request["gross"];
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string buyer_email = System.Web.HttpContext.Current.Request["buyer_email"];
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string buyer_name = System.Web.HttpContext.Current.Request["buyer_name"];
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string buyer_address = System.Web.HttpContext.Current.Request["buyer_address"];
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string buyer_zipcode = System.Web.HttpContext.Current.Request["buyer_zipcode"];
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string buyer_tel = System.Web.HttpContext.Current.Request["buyer_tel"];
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string buyer_mobile = System.Web.HttpContext.Current.Request["buyer_mobile"];
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string action = System.Web.HttpContext.Current.Request["action"];
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string s_date = System.Web.HttpContext.Current.Request["date"];
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string ac = System.Web.HttpContext.Current.Request["ac"];
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string notify_type = System.Web.HttpContext.Current.Request["notify_type"];
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alipayNotifyURL = alipayNotifyURL + "msg_id=" + msg_id + "&email=" + myalipayEmail + "&order_no=" + order_no;
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//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
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string responseTxt=Get_Http(alipayNotifyURL,120000);
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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 ;
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string ac_code=GetMD5(Str);
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if(action=="test") //支付宝接口测试是否有效
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{
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returnTxt = "Y";
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}
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if(action=="sendOff") //发货通知
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{
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if(responseTxt.Substring(0,4)=="true" || responseTxt.Substring(0,4)=="fals")//ATN，验证消息是否支付宝发过来
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{
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if(ac_code==ac)//验证消息是否被修改
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{
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//数据库操作
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}
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}
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}
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if(action=="checkOut") //交易完成通知
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{
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returnTxt = "N";
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if(responseTxt.Substring(0,4)=="true" || responseTxt.Substring(0,4)=="fals")//ATN，验证消息是否支付宝发过来
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{
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if(ac_code==ac)//验证消息是否被修改
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{
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//数据库操作
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}
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}
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}
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System.Web.HttpContext.Current.Response.Write(returnTxt);
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}
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</script>
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posted on 2006-05-17 16:40 苍冥阅读(11033) 评论(4) 编辑收藏举报

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