.net接入支付宝的支付接口

using Aop.Api;using Aop.Api.Request;using Aop.Api.Response;using Aop.Api.Util;

 static string serverUrl = "https://openapi.alipaydev.com/gateway.do";    static string app_id = "**";  //开发者的应用ID    static string format = "JSON";    static string charset = "utf-8";    static string sign_type = "RSA2"; //签名格式    static string version = "1.0";    string UID = "2088102169707816";//卖家支付宝账户号    //商户私钥    static string merchant_private_key = "***";    //支付宝公钥    static string alipay_public_key = "***";

public string H5RequestPayWay(OrderPO order)    {      IAopClient client = new DefaultAopClient(serverUrl, app_id, merchant_private_key, format, version, sign_type, alipay_public_key, charset, false);      AlipayTradeWapPayRequest request = new AlipayTradeWapPayRequest();      string address= "http://m." + PathLogic1.RootDomain;      request.SetReturnUrl(address+ "/WebPay/AlipayPayResult");//同步请求      request.SetNotifyUrl(address + "/WebPay/AsyncPay");//异步请求      var lstDetail = Context.Data.OrderDetail.Where(x => x.OrderNo == order.OrderNo).ToSelectList(x=>new { x.SkuName});      StringBuilder sb = new StringBuilder();      for (int i = 0; i < lstDetail.Count(); i++)      {        sb.Append(lstDetail[i].SkuName + ",");      }      request.BizContent = "{" +  "/"body/":/""+sb.ToString().Substring(0,sb.Length-1)+"/"," +  "/"subject/":/"袋鼠巴巴商品支付/"," +  "/"out_trade_no/":/""+order.OrderNo+"/"," +  "/"timeout_express/":/"90m/"," +  "/"total_amount/":"+(order.TotalAmount.Value+order.TotalFreight.Value)+"," +  "/"product_code/":/"QUICK_WAP_PAY/"" +  " }";      AlipayTradeWapPayResponse response = client.pageExecute(request);       return response.Body;    }

public ActionResult AlipayPayResult()    {      ViewBag.result = "success";      return View("PayResult");    }

     /// <summary>    /// 验证通知数据的正确性    /// </summary>    /// <param name="out_trade_no"></param>    /// <param name="total_amount"></param>    /// <param name="seller_id"></param>    /// <returns></returns> private SortedDictionary<string, string> GetRequestPost()    {      int i = 0;      SortedDictionary<string, string> sArray = new SortedDictionary<string, string>();      NameValueCollection coll;      //Load Form variables into NameValueCollection variable.      coll = Request.Form;      // Get names of all forms into a string array.      String[] requestItem = coll.AllKeys;      for (i = 0; i < requestItem.Length; i++)      {        sArray.Add(requestItem[i], Request.Form[requestItem[i]]);      }      return sArray;    }

 /// <summary>    /// 验签    /// </summary>    /// <param name="inputPara"></param>    /// <returns></returns>    public Boolean Verify(SortedDictionary<string, string> inputPara)    {      Dictionary<string, string> sPara = new Dictionary<string, string>();          Boolean verifyResult = AlipaySignature.RSACheckV1(inputPara, alipay_public_key, charset,sign_type,false);      return verifyResult;    }

 [HttpPost]    public void AsyncPay()    {      SortedDictionary<string, string> sPara = GetRequestPost();//将post请求过来的参数传化为SortedDictionary      if (sPara.Count > 0)      {        AlipayTradeWayPayServer pay = new AlipayTradeWayPayServer();        Boolean VerifyResult = pay.Verify(sPara);//验签if (VerifyResult)        {          try          {             //商户订单号            string out_trade_no = Request.Form["out_trade_no"];            //支付宝交易号            string trade_no = Request.Form["trade_no"];            //支付金额            decimal total_amount = Request.Form["total_amount"].ConvertType(Decimal.Zero);            //实收金额            //decimal receipt_amount = Request.Form["receipt_amount"].ConvertType(Decimal.Zero);            //交易状态            string trade_status = Request.Form["trade_status"];            //卖家支付宝账号            string seller_id = Request.Form["seller_id"];            //商品描述            string body = Request.Form["body"];            //交易创建时间            DateTime gmt_create = DateTime.Parse(Request.Form["gmt_create"]);            //交易付款时间            DateTime gmt_payment = DateTime.Parse(Request.Form["gmt_payment"]);            string appid = Request.Form["app_id"];            WriteError("验证参数开始");            Boolean DataValidity = pay.CheckInform(out_trade_no, total_amount, seller_id, appid);//商家判断参数时候是否匹配if (DataValidity)            {              if (Request.Form["trade_status"] == "TRADE_FINISHED")              {                AlipayWayPayPO model = CreateAlipayWayPay(out_trade_no, trade_no, trade_status, gmt_create, gmt_payment);                pay.PaySuccess(out_trade_no, model, Server.MapPath("~/" + DateTime.Today.ToString("yyMMdd") + ".txt"));//修改订单                //注意：                //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              }              else if (Request.Form["trade_status"] == "TRADE_SUCCESS")              {                AlipayWayPayPO model = CreateAlipayWayPay(out_trade_no, trade_no, trade_status, gmt_create, gmt_payment);                pay.PaySuccess(out_trade_no, model, Server.MapPath("~/" + DateTime.Today.ToString("yyMMdd") + ".txt"));//修改订单                //注意：                //付款完成后，支付宝系统发送该交易状态通知              }              else              {              }              //——请根据您的业务逻辑来编写程序（以上代码仅作参考）——              Response.Write("success"); //请不要修改或删除              /////////////////////////////////////////////////////////////////////////////////////////////////////////////            }          }          catch (Exception ex)          {                      }        }        else//验证失败        {          Response.Write("fail");        }      }      else      {        Response.Write("无通知参数");      }    }