cookie（免登陆）

cookie：页面

 1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="cookie.aspx.cs" Inherits="cookie.cookie" %>
 2 
 3 <!DOCTYPE html>
 4 
 5 <html xmlns="http://www.w3.org/1999/xhtml">
 6 <head runat="server">
 7     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 8     <title></title>
 9 </head>
10 <body>
11     <form id="form1" runat="server">
12         <%--做免登的时候可以将注销的代码打开--%>
13         <%--   <%
14             if(Request.Cookies["userName"] == null || Request.Cookies["userPass"] == null) {                  
15         %>--%>
16         <table border="1" style="width: 80%; border-collapse: collapse">
17             <tr>
18                 <td>用户名:</td>
19                 <td>
20                     <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
21                 </td>
22             </tr>
23             <tr>
24                 <td>密码:</td>
25                 <td>
26                     <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
27                 </td>
28             </tr>
29             <tr>
30                 <td colspan="2">
31                     <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="登录" />
32                     <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="cookie" />
33                 </td>
34             </tr>
35         </table>
36         <%-- 需要跳转的界面--%>
37         <%--   <% } else {
38                Response.Redirect("main.aspx");   
39         } %>--%>
40     </form>
41 </body>
42 </html>

View Code

cookie：后台

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.Web.UI;
 6 using System.Web.UI.WebControls;
 7 
 8 namespace cookie
 9 {
10     public partial class cookie : System.Web.UI.Page
11     {
12 
13 
14         protected void Page_Load(object sender, EventArgs e)
15         {
16 
17         }
18         protected void Button1_Click(object sender, EventArgs e)
19         {
20             HttpCookie cookie = new HttpCookie("userName", Server.UrlEncode(this.TextBox1.Text));
21             HttpCookie cookie1 = new HttpCookie("userPass", Server.UrlEncode(this.TextBox2.Text));
22             //如果是中文账号,先Encode加密
23             cookie1.Expires = DateTime.Now.AddMinutes(1);
24             //最大时间DateTime.MaxValue;
25             cookie.Expires = DateTime.Now.AddMinutes(1);
26             Response.Cookies.Add(cookie1);
27             Response.Cookies.Add(cookie);
28         }
29 
30         protected void Button2_Click(object sender, EventArgs e)
31         {
32             //Server.UrlDecode:如果是中文账号,Decode解密
33             this.TextBox1.Text = Server.UrlDecode(Request.Cookies["userName"].Value);
34             this.TextBox2.Text = Server.UrlDecode(Request.Cookies["userPass"].Value);
35         }
36     }
37 }

View Code

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