LIOT/EMIS.Web/Controllers/AlipayController.cs

using EMIS.CommonLogic.SystemServices;
using EMIS.Utility;
using EMIS.ViewModel.AlipayModel;
using EMIS.Utility.OnlinePay;
using EMIS.Utility.OnlinePay.Alipay;
using EMIS.Utility.OnlinePay.Alipay.Models;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace EMIS.Web.Controllers
{
    [Authorization]
    public class AlipayController : Controller
    {
        public IWechatPayServices WechatPayServices { get; set; }
        public IAlipayServices AlipayServices { get; set; }

        public ActionResult NativePay(Guid examinationRegistrationID, decimal fee, string feeTypeName)
        {
            var nativePayView = new NativePayView();

            nativePayView.ExaminationRegistrationID = examinationRegistrationID;
            nativePayView.Fee = fee;
            nativePayView.FeeTypeName = feeTypeName;
            nativePayView.ProductID = AlipayServices.GetProductId();

            return View(nativePayView);
        }

        public ActionResult PayQRCode(Guid examinationRegistrationID, string productId, decimal fee, string feeTypeName)
        {
            var lastOrder = this.WechatPayServices.GetLastOrder(examinationRegistrationID);

            if (lastOrder != null || lastOrder.OrderID != null)
            {
                try
                {
                    AlipayHelper.CloseOrder(lastOrder.OrderID);
                }
                catch (Exception ex)
                {
                }
            }
            WechatPayServices.NewPayList(examinationRegistrationID, productId);

            try
            {
                return AlipayHelper.GetPayQRCode(productId, fee, feeTypeName);
            }
            catch (Exception ex)
            {
                return new FileContentResult(new byte[0], "image/png");
            }
        }

        /// <summary>
        /// 对支付宝异步通知的关键参数进行校验
        /// </summary>
        /// <returns></returns>
        private bool CheckParams()
        {
            bool ret = true;

            string app_id = Request.Form["app_id"];
            if (app_id != Config.appId)
            {
                ret = false;
            }

            return ret;

        }

        public ActionResult PayNotify()
        {
            try
            {
                var logger = NLog.LogManager.GetCurrentClassLogger();
                logger.Debug("支付宝：返回订单通知。");

                SortedDictionary<string, string> sPara = HttpHelper.GetRequestPost();

                if (sPara.Count > 0)//判断是否有带返回参数
                {
                    Notify aliNotify = new Notify(Config.charset, Config.sign_type, Config.pid, Config.mapiUrl, Config.alipay_public_key);

                    bool verifyResult = aliNotify.Verify(sPara, Request.Form["notify_id"], Request.Form["sign"]);

                    if (verifyResult && CheckParams())
                    {
                        string out_trade_no = Request.Form["out_trade_no"];
                        string trade_no = Request.Form["trade_no"];

                        //交易状态
                        //在支付宝的业务通知中，只有交易通知状态为TRADE_SUCCESS或TRADE_FINISHED时，才是买家付款成功。
                        string trade_status = Request.Form["trade_status"];

                        if (trade_status == "TRADE_SUCCESS" || trade_status == "TRADE_FINISHED")
                        {
                            WechatPayServices.UpdateTransactionID(out_trade_no, trade_no);
                        }

                        return Content("success");
                    }
                    else//验证失败
                    {
                        return Content("fail");
                    }
                }
                else
                {
                    return Content("无通知参数");
                }
            }
            catch (Exception ex)
            {
                var logger = NLog.LogManager.GetCurrentClassLogger();
                logger.Debug(ex.Message + ex.StackTrace);
                return Content("fail");
            }
        }

        [HttpPost]
        public ActionResult CheckOrderScanned(string productId)
        {
            try
            {
                var order = AlipayHelper.OrderQuery(productId);
                return Json(AlipayHelper.IsTradeFinished(order.TradeStatus));
            }
            catch
            {
                return Json(false);
            }
        }
    }
}