PC网站支付接口,请参考支付宝官方文档：https://b.alipay.com/signing/productSet.htm?navKey=all

1.需要提供签约账号、商户密钥

2.代码实现：

支付接口(即时到账交易)：

1>调用支付宝支付网关

  1.         /// <summary>
  2.         /// PC网站支付
  3.         /// </summary>
  4.         /// <param name="postProcessPaymentRequest"></param>
  5.         private void AlipayTradePCPayment(订单实体 order)
  6.         {
  7.             if (order == null)
  8.             {
  9.                 return;
  10.             }
  12.             Log.Info(this.GetType().ToString(), "AlipayTradePCPayment Start......");
  14.             string responseText = string.Empty;
  15.             try
  16.             {
  17.                 #region 调用支付宝支付接口
  18.  
  19.                 string partner = "签约账号";
  20.                 string sign_type = "MD5";//签名方式:MD5、RSA、DSA
  21.                 string key = "MD5密钥";//商户密钥
  22.                 string input_charset = "utf-8";//字符编码格式 目前支持 gbk 或 utf-8
  24.                 //把请求参数打包成数组
  25.                 SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>();
  27.                 sParaTemp.Add("service", "create_direct_pay_by_user");//调用的接口名，无需修改
  28.                 sParaTemp.Add("partner", partner);//签约账号
  29.                 sParaTemp.Add("seller_id", "");//收款支付宝账号
  30.                 sParaTemp.Add("_input_charset", input_charset.ToLower());//字符编码格式 目前支持 gbk 或 utf-8
  31.                 sParaTemp.Add("payment_type", "1");//支付类型,无需修改
  32.                 sParaTemp.Add("notify_url", "http://XXXXXXXX/AliPayment/PaymentNotify");//服务器异步通知页面路径
  33.                 sParaTemp.Add("return_url", "http://XXXXXXXX/AliPayment/PaymentReturn");//页面跳转同步通知页面路径
  34.                 sParaTemp.Add("anti_phishing_key", "");//防钓鱼时间戳
  35.                 sParaTemp.Add("exter_invoke_ip", "");//客户端的IP地址
  36.                 sParaTemp.Add("out_trade_no", "");//商户订单号，商户网站订单系统中唯一订单号，必填
  37.                 sParaTemp.Add("subject", "");//订单名称，必填
  38.                 sParaTemp.Add("total_fee", "");//付款金额，必填 单位为RMB-Yuan。取值范围为[0.01，100000000.00]，精确到小数点后两位。
  39.                 sParaTemp.Add("body", "");//商品描述，可空
  41.                 //建立请求
  42.                 Submit submit = new Submit(partner, key, input_charset, sign_type);
  43.                 responseText = submit.BuildRequest(sParaTemp, "get", "确认");
  45.                 #endregion
  47.                 _httpContext.Response.Clear();
  48.                 _httpContext.Response.Write(responseText.ToString());
  49.                 _httpContext.Response.End();
  50.             }
  51.             catch (Exception ex)
  52.             {
  53.                 Log.Error(this.GetType().ToString(), "Exception: " + ex.Message);
  54.             }
  56.             Log.Info(this.GetType().ToString(), "AlipayTradePCPayment End......");
  57.             _logger.Track(string.Format("支付宝PC网站支付跟踪信息。GetForm：{0}", responseText), FoxconnConsts.APPSETTING_KEY_TRACK_INTERFACE);
  58.         }

View Code

验签、建立请求类

  1.     /// <summary>
  2.     /// 类名：Submit
  3.     /// 功能：支付宝各接口请求提交类
  4.     /// 详细：构造支付宝各接口表单HTML文本，获取远程HTTP数据
  5.     /// 版本：3.3
  6.     /// 修改日期：2011-07-05
  7.     /// 说明：
  8.     /// 以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
  9.     /// 该代码仅供学习和研究支付宝接口使用，只是提供一个参考
  10.     /// </summary>
  11.     public class Submit
  12.     {
  13.         #region 字段
  14.         //支付宝网关地址（新）
  15.         private static string GATEWAY_NEW = "https://mapi.alipay.com/gateway.do?";
  16.         //合作身份者ID，签约账号，以2088开头由16位纯数字组成的字符串，查看地址：https://b.alipay.com/order/pidAndKey.htm
  17.         private static string _partner = "";
  18.         //商户的私钥
  19.         private static string _key = "";
  20.         //编码格式
  21.         private static string _input_charset = "";
  22.         //签名方式
  23.         private static string _sign_type = "";
  24.         #endregion
  25.  
  26.         public Submit(string partner, string key, string input_charset, string sign_type)
  27.         {
  28.             _partner = partner;
  29.             _key = key;
  30.             _input_charset = input_charset.ToLower();
  31.             _sign_type = sign_type.ToUpper();
  32.         }
  34.         /// <summary>
  35.         /// 生成请求时的签名
  36.         /// </summary>
  37.         /// <param name="sPara">请求给支付宝的参数数组</param>
  38.         /// <returns>签名结果</returns>
  39.         private string BuildRequestMysign(Dictionary<string, string> sPara)
  40.         {
  41.             //把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
  42.             string prestr = Core.CreateLinkString(sPara);
  44.             //把最终的字符串签名，获得签名结果
  45.             string mysign = "";
  46.             switch (_sign_type)
  47.             {
  48.                 case "MD5":
  49.                     mysign = AlipayMD5.Sign(prestr, _key, _input_charset);
  50.                     break;
  51.                 case "RSA":
  52.                     mysign = RSAFromPkcs8.sign(prestr, _key, _input_charset);
  53.                     break;
  54.                 default:
  55.                     mysign = "";
  56.                     break;
  57.             }
  59.             return mysign;
  60.         }
  62.         /// <summary>
  63.         /// 生成要请求给支付宝的参数数组
  64.         /// </summary>
  65.         /// <param name="sParaTemp">请求前的参数数组</param>
  66.         /// <returns>要请求的参数数组</returns>
  67.         private Dictionary<string, string> BuildRequestPara(SortedDictionary<string, string> sParaTemp)
  68.         {
  69.             //待签名请求参数数组
  70.             Dictionary<string, string> sPara = new Dictionary<string, string>();
  71.             //签名结果
  72.             string mysign = "";
  74.             //过滤签名参数数组
  75.             sPara = Core.FilterPara(sParaTemp);
  77.             //获得签名结果
  78.             mysign = BuildRequestMysign(sPara);
  80.             //签名结果与签名方式加入请求提交参数组中
  81.             sPara.Add("sign", mysign);
  82.             sPara.Add("sign_type", _sign_type);
  84.             return sPara;
  85.         }
  87.         /// <summary>
  88.         /// 生成要请求给支付宝的参数数组
  89.         /// </summary>
  90.         /// <param name="sParaTemp">请求前的参数数组</param>
  91.         /// <param name="code">字符编码</param>
  92.         /// <returns>要请求的参数数组字符串</returns>
  93.         private string BuildRequestParaToString(SortedDictionary<string, string> sParaTemp, Encoding code)
  94.         {
  95.             //待签名请求参数数组
  96.             Dictionary<string, string> sPara = new Dictionary<string, string>();
  97.             sPara = BuildRequestPara(sParaTemp);
  99.             //把参数组中所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串，并对参数值做urlencode
  100.             string strRequestData = Core.CreateLinkStringUrlencode(sPara, code);
  102.             return strRequestData;
  103.         }
  105.         /// <summary>
  106.         /// 建立请求，以表单HTML形式构造（默认）
  107.         /// </summary>
  108.         /// <param name="sParaTemp">请求参数数组</param>
  109.         /// <param name="strMethod">提交方式。两个值可选：post、get</param>
  110.         /// <param name="strButtonValue">确认按钮显示文字</param>
  111.         /// <returns>提交表单HTML文本</returns>
  112.         public string BuildRequest(SortedDictionary<string, string> sParaTemp, string strMethod, string strButtonValue)
  113.         {
  114.             //待请求参数数组
  115.             Dictionary<string, string> dicPara = new Dictionary<string, string>();
  116.             dicPara = BuildRequestPara(sParaTemp);
  118.             StringBuilder sbHtml = new StringBuilder();
  120.             sbHtml.Append("<form id=\'alipaysubmit\' name=\'alipaysubmit\' action=\'" + GATEWAY_NEW + "_input_charset=" + _input_charset + "\' method=\'" + strMethod.ToLower().Trim() + "\'>");
  122.             foreach (KeyValuePair<string, string> temp in dicPara)
  123.             {
  124.                 sbHtml.Append("<input type=\'hidden\' name=\'" + temp.Key + "\' value=\'" + temp.Value + "\'/>");
  125.             }
  127.             //submit按钮控件请不要含有name属性
  128.             sbHtml.Append("<input type=\'submit\' value=\'" + strButtonValue + "\' style=\'display:none;\'></form>");
  130.             sbHtml.Append("<script>document.forms[\'alipaysubmit\'].submit();</script>");
  132.             return sbHtml.ToString();
  133.         }
  136.         /// <summary>
  137.         /// 建立请求，以模拟远程HTTP的POST请求方式构造并获取支付宝的处理结果
  138.         /// </summary>
  139.         /// <param name="sParaTemp">请求参数数组</param>
  140.         /// <returns>支付宝处理结果</returns>
  141.         public string BuildRequest(SortedDictionary<string, string> sParaTemp)
  142.         {
  143.             Encoding code = Encoding.GetEncoding(_input_charset);
  145.             //待请求参数数组字符串
  146.             string strRequestData = BuildRequestParaToString(sParaTemp, code);
  148.             //把数组转换成流中所需字节数组类型
  149.             byte[] bytesRequestData = code.GetBytes(strRequestData);
  151.             //构造请求地址
  152.             string strUrl = GATEWAY_NEW + "_input_charset=" + _input_charset;
  154.             //请求远程HTTP
  155.             string strResult = "";
  156.             try
  157.             {
  158.                 //设置HttpWebRequest基本信息
  159.                 HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(strUrl);
  160.                 myReq.Method = "post";
  161.                 myReq.ContentType = "application/x-www-form-urlencoded";
  163.                 //填充POST数据
  164.                 myReq.ContentLength = bytesRequestData.Length;
  165.                 Stream requestStream = myReq.GetRequestStream();
  166.                 requestStream.Write(bytesRequestData, 0, bytesRequestData.Length);
  167.                 requestStream.Close();
  169.                 //发送POST数据请求服务器
  170.                 HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
  171.                 Stream myStream = HttpWResp.GetResponseStream();
  173.                 //获取服务器返回信息
  174.                 StreamReader reader = new StreamReader(myStream, code);
  175.                 StringBuilder responseData = new StringBuilder();
  176.                 String line;
  177.                 while ((line = reader.ReadLine()) != null)
  178.                 {
  179.                     responseData.Append(line);
  180.                 }
  182.                 //释放
  183.                 myStream.Close();
  185.                 strResult = responseData.ToString();
  186.             }
  187.             catch (Exception exp)
  188.             {
  189.                 strResult = "报错：" + exp.Message;
  190.             }
  192.             return strResult;
  193.         }
  195.         /// <summary>
  196.         /// 用于防钓鱼，调用接口query_timestamp来获取时间戳的处理函数
  197.         /// 注意：远程解析XML出错，与IIS服务器配置有关
  198.         /// </summary>
  199.         /// <returns>时间戳字符串</returns>
  200.         public string Query_timestamp()
  201.         {
  202.             string url = GATEWAY_NEW + "service=query_timestamp&partner=" + _partner + "&_input_charset=" + _input_charset;
  203.             string encrypt_key = "";
  205.             XmlTextReader Reader = new XmlTextReader(url);
  206.             XmlDocument xmlDoc = new XmlDocument();
  207.             xmlDoc.Load(Reader);
  209.             encrypt_key = xmlDoc.SelectSingleNode("/alipay/response/timestamp/encrypt_key").InnerText;
  211.             return encrypt_key;
  212.         }
  213.     }

View Code

2>接收支付宝同步通知(get)

  1.         /// <summary>
  2.         /// 支付宝支付同步通知
  3.         /// </summary>
  4.         /// <returns></returns>
  5.         [HttpGet]
  6.         public ActionResult PaymentReturn()
  7.         {
  8.             string result = string.Empty;
  9.             Log.Info(this.GetType().ToString(), "PaymentReturn End......");
  11.             try
  12.             {
  13.                 SortedDictionary<string, string> sPara = GetRequestGet();
  14.                 if (sPara.Count > 0)//判断是否有带返回参数
  15.                 {
  16.                     bool verifyResult = Verify(sPara, Request.QueryString["notify_id"], Request.QueryString["sign"]);
  18.                     if (verifyResult)//验证成功
  19.                     {
  20.                         //商户订单号
  21.                         string out_trade_no = Request.QueryString["out_trade_no"];
  22.                         //支付宝交易号
  23.                         string trade_no = Request.QueryString["trade_no"];
  24.                         //交易状态
  25.                         string trade_status = Request.QueryString["trade_status"];
  27.                         if (Request.QueryString["trade_status"] == "TRADE_FINISHED" || Request.QueryString["trade_status"] == "TRADE_SUCCESS")
  28.                         {
  29.                             //判断该笔订单是否在商户网站中已经做过处理
  30.                             //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
  31.                             //如果有做过处理，不执行商户的业务程序
  32.                         }
  33.                         else
  34.                         {
  35.                             result = "trade_status=" + Request.QueryString["trade_status"];
  36.                         }
  38.                         //打印页面
  39.                         result = "验证成功";
  40.                     }
  41.                     else//验证失败
  42.                     {
  43.                         result = "验证失败";
  44.                     }
  45.                 }
  46.                 else
  47.                 {
  48.                     result = "无返回参数";
  49.                 }
  50.                 Log.Info(this.GetType().ToString(), "result:" + result);
  52.             }
  53.             catch (Exception ex)
  54.             {
  55.                 Log.Info(this.GetType().ToString(), "Exception:" + ex.Message);
  56.                 _logger.Track(string.Format("支付宝支付同步通知跟踪信息。结果：{0}", ex.Message), FoxconnConsts.APPSETTING_KEY_TRACK_INTERFACE);
  57.             }
  58.             Log.Info(this.GetType().ToString(), "PaymentReturn End......");
  60.             return Redirect(Url.RouteUrl("CustomerOrders"));
  61.         }

View Code 

  1.         /// <summary>
  2.         /// 获取支付宝GET过来通知消息，并以“参数名=参数值”的形式组成数组
  3.         /// </summary>
  4.         /// <returns>request回来的信息组成的数组</returns>
  5.         public SortedDictionary<string, string> GetRequestGet()
  6.         {
  7.             int i = 0;
  8.             SortedDictionary<string, string> sArray = new SortedDictionary<string, string>();
  9.             NameValueCollection coll;
  10.             //Load Form variables into NameValueCollection variable.
  11.             coll = Request.QueryString;
  13.             // Get names of all forms into a string array.
  14.             String[] requestItem = coll.AllKeys;
  16.             for (i = 0; i < requestItem.Length; i++)
  17.             {
  18.                 sArray.Add(requestItem[i], Request.QueryString[requestItem[i]]);
  19.             }
  21.             return sArray;
  22.         }

View Code 

支付宝通知处理类

  1.    /// <summary>
  2.     /// 类名：Notify
  3.     /// 功能：支付宝通知处理类
  4.     /// 详细：处理支付宝各接口通知返回
  5.     /// 版本：3.3
  6.     /// 修改日期：2011-07-05
  7.     /// \'说明：
  8.     /// 以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
  9.     /// 该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
  10.     /// 
  11.     /// //////////////////////注意/////////////////////////////
  12.     /// 调试通知返回时，可查看或改写log日志的写入TXT里的数据，来检查通知返回是否正常 
  13.     /// </summary>
  14.     public class Notify
  15.     {
  16.         #region 字段
  17.         private string _partner = "";               //合作身份者ID
  18.         private string _key = "";                   //MD5:商户的私钥 RSA:支付宝的公钥
  19.         private string _input_charset = "";         //编码格式
  20.         private string _sign_type = "";             //签名方式
  22.         //支付宝消息验证地址
  23.         private string Https_veryfy_url = "https://mapi.alipay.com/gateway.do?service=notify_verify&";
  24.         #endregion
  25.  
  26.  
  27.         /// <summary>
  28.         /// 构造函数
  29.         /// 从配置文件中初始化变量
  30.         /// </summary>
  31.         /// <param name="inputPara">通知返回参数数组</param>
  32.         /// <param name="notify_id">通知验证ID</param>
  33.         public Notify(string partner, string key, string input_charset, string sign_type)
  34.         {
  35.             //初始化基础配置信息
  36.             _partner = partner.Trim();
  37.             _key = key.Trim();
  38.             _input_charset = input_charset.Trim().ToLower();
  39.             _sign_type = sign_type.Trim().ToUpper();
  40.         }
  41.         
  42.          /// <summary>
  43.         /// 从文件读取公钥转公钥字符串
  44.         /// </summary>
  45.         /// <param name="Path">公钥文件路径</param>
  46.         public static string getPublicKeyStr(string Path)
  47.         {
  48.             StreamReader sr = new StreamReader(Path);
  49.             string pubkey = sr.ReadToEnd();
  50.             sr.Close();
  51.             if (pubkey != null)
  52.             {
  53.                 pubkey = pubkey.Replace("-----BEGIN PUBLIC KEY-----", "");
  54.                 pubkey = pubkey.Replace("-----END PUBLIC KEY-----", "");
  55.                 pubkey = pubkey.Replace("\r", "");
  56.                 pubkey = pubkey.Replace("\n", "");
  57.             }
  58.             return pubkey;
  59.         }
  61.         /// <summary>
  62.         ///  验证消息是否是支付宝发出的合法消息
  63.         /// </summary>
  64.         /// <param name="inputPara">通知返回参数数组</param>
  65.         /// <param name="notify_id">通知验证ID</param>
  66.         /// <param name="sign">支付宝生成的签名结果</param>
  67.         /// <returns>验证结果</returns>
  68.         public bool Verify(SortedDictionary<string, string> inputPara, string notify_id, string sign)
  69.         {
  70.             //获取返回时的签名验证结果
  71.             bool isSign = GetSignVeryfy(inputPara, sign);
  72.             //获取是否是支付宝服务器发来的请求的验证结果
  73.             string responseTxt = "false";
  74.             if (notify_id != null && notify_id != "") { responseTxt = GetResponseTxt(notify_id); }
  76.             //写日志记录（若要调试，请取消下面两行注释）
  77.             //string sWord = "responseTxt=" + responseTxt + "\n isSign=" + isSign.ToString() + "\n 返回回来的参数：" + GetPreSignStr(inputPara) + "\n ";
  78.             //Core.LogResult(sWord);
  80.             //判断responsetTxt是否为true，isSign是否为true
  81.             //responsetTxt的结果不是true，与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
  82.             //isSign不是true，与安全校验码、请求时的参数格式（如：带自定义参数等）、编码格式有关
  83.             if (responseTxt == "true" && isSign)//验证成功
  84.             {
  85.                 return true;
  86.             }
  87.             else//验证失败
  88.             {
  89.                 return false;
  90.             }
  91.         }
  93.         /// <summary>
  94.         /// 获取待签名字符串（调试用）
  95.         /// </summary>
  96.         /// <param name="inputPara">通知返回参数数组</param>
  97.         /// <returns>待签名字符串</returns>
  98.         private string GetPreSignStr(SortedDictionary<string, string> inputPara)
  99.         {
  100.             Dictionary<string, string> sPara = new Dictionary<string, string>();
  102.             //过滤空值、sign与sign_type参数
  103.             sPara = Core.FilterPara(inputPara);
  105.             //获取待签名字符串
  106.             string preSignStr = Core.CreateLinkString(sPara);
  108.             return preSignStr;
  109.         }
  111.         /// <summary>
  112.         /// 获取返回时的签名验证结果
  113.         /// </summary>
  114.         /// <param name="inputPara">通知返回参数数组</param>
  115.         /// <param name="sign">对比的签名结果</param>
  116.         /// <returns>签名验证结果</returns>
  117.         private bool GetSignVeryfy(SortedDictionary<string, string> inputPara, string sign)
  118.         {
  119.             Dictionary<string, string> sPara = new Dictionary<string, string>();
  121.             //过滤空值、sign与sign_type参数
  122.             sPara = Core.FilterPara(inputPara);
  123.             
  124.             //获取待签名字符串
  125.             string preSignStr = Core.CreateLinkString(sPara);
  127.             //获得签名验证结果
  128.             bool isSgin = false;
  129.             if (sign != null && sign != "")
  130.             {
  131.                 switch (_sign_type)
  132.                 {
  133.                     case "MD5":
  134.                         isSgin = AlipayMD5.Verify(preSignStr, sign, _key, _input_charset);
  135.                         break;
  136.                     case "RSA":
  137.                         isSgin = RSAFromPkcs8.verify(preSignStr, sign, _key, _input_charset);
  138.                         break;
  139.                     default:
  140.                         break;
  141.                 }
  142.             }
  144.             return isSgin;
  145.         }
  147.         /// <summary>
  148.         /// 获取是否是支付宝服务器发来的请求的验证结果
  149.         /// </summary>
  150.         /// <param name="notify_id">通知验证ID</param>
  151.         /// <returns>验证结果</returns>
  152.         private string GetResponseTxt(string notify_id)
  153.         {
  154.             string veryfy_url = Https_veryfy_url + "partner=" + _partner + "&notify_id=" + notify_id;
  156.             //获取远程服务器ATN结果，验证是否是支付宝服务器发来的请求
  157.             string responseTxt = Get_Http(veryfy_url, 120000);
  159.             return responseTxt;
  160.         }
  162.         /// <summary>
  163.         /// 获取远程服务器ATN结果
  164.         /// </summary>
  165.         /// <param name="strUrl">指定URL路径地址</param>
  166.         /// <param name="timeout">超时时间设置</param>
  167.         /// <returns>服务器ATN结果</returns>
  168.         private string Get_Http(string strUrl, int timeout)
  169.         {
  170.             string strResult;
  171.             try
  172.             {
  173.                 HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(strUrl);
  174.                 myReq.Timeout = timeout;
  175.                 HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
  176.                 Stream myStream = HttpWResp.GetResponseStream();
  177.                 StreamReader sr = new StreamReader(myStream, Encoding.Default);
  178.                 StringBuilder strBuilder = new StringBuilder();
  179.                 while (-1 != sr.Peek())
  180.                 {
  181.                     strBuilder.Append(sr.ReadLine());
  182.                 }
  184.                 strResult = strBuilder.ToString();
  185.             }
  186.             catch (Exception exp)
  187.             {
  188.                 strResult = "错误：" + exp.Message;
  189.             }
  191.             return strResult;
  192.         }
  193.     }

View Code

3>接收支付宝异步通知(post)

  1.         /// <summary>
  2.         /// 支付宝支付异步通知
  3.         /// </summary>
  4.         /// <returns></returns>
  5.         [ValidateInput(false)]
  6.         public ActionResult PaymentNotify()
  7.         {
  8.             string result = string.Empty;
  9.             try
  10.             {
  11.                 Log.Info(this.GetType().ToString(), "PaymentNotify Start......");
  13.                 SortedDictionary<string, string> sPara = GetRequestPost();
  14.                 if (sPara.Count > 0)//判断是否有带返回参数
  15.                 {
  16.                     bool verifyResult = Verify(sPara, Request.Form["notify_id"], Request.Form["sign"]);
  17.                     Log.Debug(this.GetType().ToString(), "verifyResult:" + verifyResult);
  19.                     if (verifyResult)//验证成功
  20.                     {
  21.                         //商户订单号
  22.                         string out_trade_no = Request.Form["out_trade_no"];
  23.                         //支付宝交易号
  24.                         string trade_no = Request.Form["trade_no"];
  25.                         //交易状态
  26.                         string trade_status = Request.Form["trade_status"];
  28.                         if (string.IsNullOrEmpty(out_trade_no))
  29.                         {
  30.                             throw new Exception("商户订单号不能为空");
  31.                         }
  33.                         Log.Debug(this.GetType().ToString(), string.Format("out_trade_no:【{0}】-trade_no:【{1}】-trade_status:【{2}】", out_trade_no, trade_no, trade_status));
  34.                                               
  36.                         if (trade_status == "TRADE_FINISHED")
  37.                         {
  38.                             //判断该笔订单是否在商户网站中已经做过处理
  39.                             //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
  40.                             //请务必判断请求时的total_fee、seller_id与通知时获取的total_fee、seller_id为一致的
  41.                             //如果有做过处理，不执行商户的业务程序
  44.                             //处理业务逻辑  
  45.                             //_orderProcessingService.BathMarkOrderAsPaid(out_trade_no);
  47.                             //注意：
  48.                             //退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
  49.                         }
  50.                         else if (trade_status == "TRADE_SUCCESS")
  51.                         {
  52.                             //判断该笔订单是否在商户网站中已经做过处理
  53.                             //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
  54.                             //请务必判断请求时的total_fee、seller_id与通知时获取的total_fee、seller_id为一致的
  55.                             //如果有做过处理，不执行商户的业务程序
  57.                             //处理业务逻辑                            
  58.                             Log.Info(this.GetType().ToString(), "订单状态更新成功");
  60.                             //注意：
  61.                             //付款完成后，支付宝系统发送该交易状态通知
  62.                         }
  63.                         else
  64.                         {
  65.                         }
  67.                         //——请根据您的业务逻辑来编写程序（以上代码仅作参考）——
  69.                         Response.Write("success");  //请不要修改或删除
  70.                         /////////////////////////////////////////////////////////////////////////////////////////////////////////////
  71.                     }
  72.                     else//验证失败
  73.                     {
  74.                         Response.Write("fail");
  75.                     }
  76.                 }
  77.                 else
  78.                 {
  79.                     Response.Write("无通知参数");
  80.                     Log.Info(this.GetType().ToString(), "result:无通知参数");
  81.                 }
  82.             }
  83.             catch (Exception ex)
  84.             {
  85.                 Response.Write("fail");
  87.                 Log.Info(this.GetType().ToString(), "Exception:" + ex.Message);
  88.                 _logger.Track(string.Format("支付宝支付异步通知跟踪信息。结果：{0}", ex.Message), FoxconnConsts.APPSETTING_KEY_TRACK_INTERFACE);
  89.             }
  91.             Response.End();
  92.             Log.Info(this.GetType().ToString(), "PaymentNotify End......");
  93.             return Content("fail");
  94.         }

View Code 

  1.        /// <summary>
  2.         /// 获取支付宝POST过来通知消息，并以“参数名=参数值”的形式组成数组
  3.         /// </summary>
  4.         /// <returns>request回来的信息组成的数组</returns>
  5.         public SortedDictionary<string, string> GetRequestPost()
  6.         {
  7.             int i = 0;
  8.             SortedDictionary<string, string> sArray = new SortedDictionary<string, string>();
  9.             NameValueCollection coll;
  10.             //Load Form variables into NameValueCollection variable.
  11.             coll = Request.Form;
  13.             // Get names of all forms into a string array.
  14.             String[] requestItem = coll.AllKeys;
  16.             for (i = 0; i < requestItem.Length; i++)
  17.             {
  18.                 sArray.Add(requestItem[i], Request.Form[requestItem[i]]);
  19.             }
  21.             return sArray;
  22.         }

View Code

退款接口（即时到账有密退款接口）：

1>调用支付宝支付网关

  1.         /// <summary>
  2.         /// 退款
  3.         /// </summary>
  4.         /// <param name="refundPaymentRequest"></param>
  5.         /// <returns></returns>
  6.         private bool AlipayTradePCRefund(退款实体 refundModel)
  7.         {
  8.             var result = false;
  9.             if (refundModel == null)
  10.             {
  11.                 Log.Error(this.GetType().ToString(), "退款数据不能为空");
  12.                 return result;
  13.             }
  14.             string responseText = string.Empty;
  15.             try
  16.             {
  17.                 #region 调用支付宝退款接口
  18.  
  19.                 string partner = "签约账号";
  20.                 string sign_type = "MD5";//签名方式:MD5、RSA、DSA
  21.                 string key = "MD5密钥";//商户密钥
  22.                 string input_charset = "utf-8";//字符编码格式 目前支持 gbk 或 utf-8
  24.                 //服务器异步通知页面路径
  25.                 string notify_url = "http://XXXXXXXX/AliPayment/RefundNotify";
  26.                 Log.Debug(this.GetType().ToString(), "notify_url:" + notify_url);
  28.                 //退款当天日期
  29.                 string refund_date = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
  30.                 //必填，格式：年[4位]-月[2位]-日[2位] 小时[2位 24小时制]:分[2位]:秒[2位]，如：2007-10-01 13:13:13
  32.                 //批次号
  33.                 string batch_no = DateTime.UtcNow.ToString("yyyyMMdd") + refundModel.RefundNumber;//?
  34.                 //必填，格式：当天日期[8位]+序列号[3至24位]，如：201008010000001
  35.                 Log.Debug(this.GetType().ToString(), "batch_no:" + batch_no);
  37.                 //退款笔数
  38.                 string batch_num = "1";
  39.                 //必填，参数detail_data的值中，“#”字符出现的数量加1，最大支持1000笔（即“#”字符出现的数量999个）
  41.                 //退款详细数据
  42.                 string detail_data = "";
  43.                 //必填，具体格式请参见接口技术文档
  44.                 StringBuilder sb = new StringBuilder();
  46.                 Log.Debug(this.GetType().ToString(), "batch_num:" + batch_num);
  47.                 foreach (var item in 集合)
  48.                 {
  49.                     sb.AppendFormat("{0}^{1}^{2}#", "交易号", "退款金额", "退款原因");
  50.                 }
  52.                 if (sb.Length > 0)
  53.                 {
  54.                     detail_data = sb.ToString().Substring(0, sb.ToString().Length - 1);
  55.                 }
  57.                 Log.Debug(this.GetType().ToString(), "detail_data:" + detail_data);
  59.                 //把请求参数打包成数组
  60.                 SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>();
  61.                 sParaTemp.Add("service", "refund_fastpay_by_platform_pwd");//调用的接口名，无需修改
  62.                 sParaTemp.Add("partner", partner);//签约账号
  63.                 sParaTemp.Add("_input_charset", _alipayPaymentSettings.InputCharset.ToLower());//字符编码格式 目前支持 gbk 或 utf-8  
  64.                 sParaTemp.Add("notify_url", notify_url);//服务器异步通知页面路径
  65.                 sParaTemp.Add("seller_user_id", _alipayPaymentSettings.SellerId);//收款支付宝账号
  66.                 sParaTemp.Add("refund_date", refund_date);//退款日期
  67.                 sParaTemp.Add("batch_no", batch_no);//批次号
  68.                 sParaTemp.Add("batch_num", batch_num);//退款笔数
  69.                 sParaTemp.Add("detail_data", detail_data);//退款详细数据
  71.                 //建立请求
  72.                 Submit submit = new Submit(partner, key, input_charset, sign_type);
  73.                 responseText = submit.BuildRequest(sParaTemp, "get", "确认");
  74.                 
  75.                 #endregion
  77.                 _httpContext.Response.Clear();
  78.                 _httpContext.Response.Write(responseText);
  79.                 _httpContext.Response.End();
  81.                 result = true;
  82.             }
  83.             catch (Exception ex)
  84.             {
  85.                 responseText = ex.Message;
  86.                 Log.Error(this.GetType().ToString(), "Exception: " + ex.Message);
  87.             }
  88.             Log.Debug(this.GetType().ToString(), string.Format("支付宝退款跟踪信息。GetForm：{0}", responseText));
  89.             Log.Info(this.GetType().ToString(), "Refund End......");
  91.             return result;
  92.         }

View Code

2>接收支付宝异步通知(post)

  1.         /// <summary>
  2.         /// 支付宝退款异步通知
  3.         /// </summary>
  4.         /// <returns></returns>
  5.         [ValidateInput(false)]
  6.         public ActionResult RefundNotify()
  7.         {
  8.             string result = string.Empty;
  9.             try
  10.             {
  11.                 Log.Info(this.GetType().ToString(), "RefundNotify Start......");
  13.                 SortedDictionary<string, string> sPara = GetRequestPost();
  14.                 if (sPara.Count > 0)//判断是否有带返回参数
  15.                 {
  16.                     bool verifyResult = Verify(sPara, Request.Form["notify_id"], Request.Form["sign"]);
  18.                     if (verifyResult)//验证成功
  19.                     {
  20.                         //退款批次号
  21.                         string batch_no = Request.Form["batch_no"];
  22.                         Log.Debug(this.GetType().ToString(), "batch_no:" + batch_no);
  24.                         //退款成功总数
  25.                         string success_num = Request.Form["success_num"];
  26.                         Log.Debug(this.GetType().ToString(), "success_num:" + success_num);
  28.                         //退款结果明细
  29.                         string result_details = Request.Form["result_details"];
  30.                         Log.Debug(this.GetType().ToString(), "result_details:" + result_details);
  32.                         //交易状态
  33.                         //string trade_status = Request.Form["trade_status"];
  34.                         //Log.Info(this.GetType().ToString(), "trade_status:" + trade_status);
  36.                         //全额退款情况：trade_status= TRADE_CLOSED，而refund_status=REFUND_SUCCESS 
  37.                         //非全额退款情况：trade_status= TRADE_SUCCESS，而refund_status=REFUND_SUCCESS
  38.                         
  40.                         Response.Write("success");  //请不要修改或删除
  41.                     }
  42.                     else//验证失败
  43.                     {
  44.                         Response.Write("fail");
  45.                     }
  46.                 }
  47.                 else
  48.                 {
  49.                     Response.Write("无通知参数");
  50.                 }            
  51.             }
  52.             catch(Exception ex)
  53.             {
  54.                 Log.Info(this.GetType().ToString(), "Exception:" + ex.Message);
  56.                 _logger.Track(string.Format("支付宝退款跟踪信息。结果：{0}", ex.Message), FoxconnConsts.APPSETTING_KEY_TRACK_INTERFACE);
  57.             }
  58.             Log.Info(this.GetType().ToString(), "RefundNotify End......");
  60.             return Content("fail");
  61.         }

View Code

查询接口：

  1.         /// <summary>
  2.         /// 查询订单在支付宝的状态
  3.         /// </summary>
  4.         /// <param name="queryOrderRequest"></param>
  5.         /// <returns></returns>
  6.         private void AlipayTradePCQuery(订单查询实体 orderQuery)
  7.         {
  8.             var result = new 订单查询实体();
  9.             if (orderQuery == null)
  10.             {
  11.                 //"查询数据不能为空"
  12.                 return;
  13.             }
  15.             #region 调用支付宝订单查询接口
  16.  
  17.             string partner = "签约账号";
  18.             string sign_type = "MD5";//签名方式:MD5、RSA、DSA
  19.             string key = "MD5密钥";//商户密钥
  20.             string input_charset = "utf-8";//字符编码格式 目前支持 gbk 或 utf-8
  22.             //支付宝交易号
  23.             string trade_no = "";
  24.             //支付宝交易号与商户网站订单号不能同时为空
  26.             //商户订单号
  27.             string out_trade_no = "";
  30.             ////////////////////////////////////////////////////////////////////////////////////////////////
  31.  
  32.             //把请求参数打包成数组
  33.             SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>();
  34.             sParaTemp.Add("service", "single_trade_query");//调用的接口名，无需修改
  35.             sParaTemp.Add("partner", partner);//签约账号
  36.             sParaTemp.Add("_input_charset", input_charset.ToLower());//字符编码格式 目前支持 gbk 或 utf-8
  37.             sParaTemp.Add("trade_no", trade_no);
  38.             sParaTemp.Add("out_trade_no", out_trade_no);//商户订单号，商户网站订单系统中唯一订单号，必填
  41.             //建立请求
  42.             Submit submit = new Submit(partner, key, input_charset, sign_type);
  43.             string sHtmlText = submit.BuildRequest(sParaTemp);
  44.             XmlDocument xmlDoc = new XmlDocument();
  45.             try
  46.             {
  47.                 xmlDoc.LoadXml(sHtmlText);
  48.                 string isSuccess = xmlDoc.SelectSingleNode("/alipay/is_success").InnerText;
  49.                 if (isSuccess == "T")//请求成功
  50.                 {
  51.                     #region 根据订单状态处理业务数据
  52.  
  53.                     string tradeState = xmlDoc.SelectSingleNode("/alipay/response/trade/trade_status").InnerText;                    
  54.                     if (tradeState == "TRADE_FINISHED" || tradeState == "TRADE_CLOSED" || tradeState == "TRADE_SUCCESS")//支付成功
  55.                     {
  56.                         string transaction_id = xmlDoc.SelectSingleNode("/alipay/response/trade/trade_no").InnerText;
  57.                         //string buyer_id = xmlDoc.SelectSingleNode("/alipay/response/trade/buyer_id").InnerText;
  58.                         string buyer_emial = xmlDoc.SelectSingleNode("/alipay/response/trade/buyer_email").InnerText;
  60.                         //处理订单业务
  61.                     }
  62.                     #endregion
  63.                 }
  64.                 else
  65.                 {
  66.                     string error = xmlDoc.SelectSingleNode("/alipay/error").InnerText;
  67.                     result.AddError(string.Format("支付宝PC网站接口查询订单失败![接口返回码:{0}]", error));
  68.                 }
  69.             }
  70.             catch (Exception ex)
  71.             {
  72.                 Log.Error(this.GetType().ToString(), "Exception:" + ex.Message);
  73.             }
  74.             #endregion
  75.         }

View Code

3.记录日记类

  1.     public class Log
  2.     {
  3.         //在网站根目录下创建日志目录
  4.         public static string path = HttpRuntime.AppDomainAppPath + "logs\\Alipay";
  5.         /**
  6.          * 向日志文件写入调试信息
  7.          * @param className 类名
  8.          * @param content 写入内容
  9.          */
  10.         public static void Debug(string className, string content)
  11.         {
  12.             WriteLog("DEBUG", className, content);
  13.         }
  15.         /**
  16.         * 向日志文件写入运行时信息
  17.         * @param className 类名
  18.         * @param content 写入内容
  19.         */
  20.         public static void Info(string className, string content)
  21.         {
  22.             WriteLog("INFO", className, content);
  23.         }
  25.         /**
  26.         * 向日志文件写入出错信息
  27.         * @param className 类名
  28.         * @param content 写入内容
  29.         */
  30.         public static void Error(string className, string content)
  31.         {
  32.             WriteLog("ERROR", className, content);
  33.         }
  35.         /**
  36.         * 实际的写日志操作
  37.         * @param type 日志记录类型
  38.         * @param className 类名
  39.         * @param content 写入内容
  40.         */
  41.         protected static void WriteLog(string type, string className, string content)
  42.         {
  43.             if (!Directory.Exists(path))//如果日志目录不存在就创建
  44.             {
  45.                 Directory.CreateDirectory(path);
  46.             }
  48.             string time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");//获取当前系统时间
  49.             string filename = path + "/" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";//用日期对日志文件命名
  51.             //创建或打开日志文件，向日志文件末尾追加记录
  52.             StreamWriter mySw = File.AppendText(filename);
  54.             //向日志文件写入内容
  55.             string write_content = time + " " + type + " " + className + ": " + content;
  56.             mySw.WriteLine(write_content);
  58.             //关闭日志文件
  59.             mySw.Close();
  60.             mySw.Dispose();
  61.         }
  62.     }

View Code 

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