代码修改后的版本，全部提交

Mtxfw.shop/Pay.aspx.cs

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+using System;
+using System.Data;
+using System.Configuration;
+using System.Web;
+using System.Net;
+using System.IO;
+using System.Security.Cryptography;
+using System.Xml;
+using System.Collections.Specialized;
+using System.Text.RegularExpressions;
+using System.Collections.Generic;
+using System.Text;
+using System.Globalization;
+using System.Web.Security;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+using System.Web.UI.WebControls.WebParts;
+using System.Web.UI.HtmlControls;
+using Newtonsoft.Json;
+namespace Mtxfw.shop
+{
+    public partial class Pay : System.Web.UI.Page
+    {
+        /// <summary>
+        /// 填写你申请的登录资料
+        /// </summary>
+        public Mtxfw.Utility.Config config = new Mtxfw.Utility.Config();
+        public Mtxfw.DAL.user_info daoUser = new Mtxfw.DAL.user_info();
+        public Mtxfw.DAL.P_Product daoProduct = new Mtxfw.DAL.P_Product();
+        public string strPID = "", strCID="";
+        protected void Page_Load(object sender, EventArgs e)
+        {
+
+            if (!IsPostBack)
+            {
+                Page.Title = "付款测试通道 - " + config.webName;
+                Page.MetaDescription = "付款测试通道 - " + config.webName;
+                Page.MetaKeywords = "付款测试通道," + config.webName;
+               
+            }
+          
+        }
+
+       
+        protected string getsj(string dt)
+        {
+            TimeSpan ts1 = new TimeSpan(Convert.ToDateTime(dt).AddDays(7).Ticks);
+            TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
+            TimeSpan ts = ts1.Subtract(ts2).Duration();
+
+            string SJC = (ts.Days * 24 * 3600 + ts.Hours * 3600 + ts.Minutes * 60 + ts.Seconds).ToString();
+            return SJC;
+        }
+
+    }
+}