BLL/apis/Notify.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UAP;

namespace BLL.apis
{
    [API]
    public class Notify : UAP.Razor.Page
    {
        /// <summary>
        /// 订单支付回调通知
        /// </summary>
        /// <returns></returns>
        public static string Order()
        {
            try
            {
                byte[] buffer = new byte[Current.Request.InputStream.Length];
                Current.Request.InputStream.Read(buffer, 0, buffer.Length);
                string notify_string = System.Text.Encoding.UTF8.GetString(buffer);
                WeiXing.Model model = new WeiXing.Model();
                model = WeiXing.Com.DeserializeFromXml(notify_string, model.GetType()) as WeiXing.Model;
                if (model.return_code != "SUCCESS") throw new Exception(model.return_msg);
                if (model.result_code != "SUCCESS") throw new Exception(model.err_code_des);
 
                Sure(model.out_trade_no, model.transaction_id, decimal.Parse((Convert.ToInt32(model.total_fee) * 100).ToString()));

                return @"
<xml>
  <return_code>SUCCESS</return_code>
  <return_msg>OK</return_msg>
</xml>";
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }


        /// <summary>
        /// 订单支付回调
        /// </summary>
        /// <param name="code"></param>
        /// <param name="trade_no"></param>
        /// <param name="pay_amount"></param>
        /// <returns></returns>
        private static void Sure(string code, string trade_no, decimal pay_amount)
        {
            using (var db = UAP.DataBase.Get())
            {
                db.Connect();
                db.Transaction();
                try
                {
                    JSON o = db.getJson(string.Format("select * from ec_order where code='{0}'", code), 0);
                    if (o == null) throw new Exception("订单编号[" + code + "]不存在");
                    if (o["stated"] != Convert.ToInt32(Tools.OrderStated.待支付)) throw new Exception("订单[" + code + "]已支付");