Cookie登录保存

时间:2023-11-26 09:39:44

Login.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="CZBK.ItcastProject.WebApp._2015_5_31.Login" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
用户名:<input type="text" name="txtName" value="<%=LoginUserName %>" /><br />
密码:<input type="password" name="txtPwd" value="<%=LoginPwd %>" /><br />
<input type="submit" value="登录" />
</div>
</form>
</body>
</html>

Login.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls; namespace CZBK.ItcastProject.WebApp._2015_5_31
{
public partial class Login : System.Web.UI.Page
{
public string LoginUserName { get; set; }
public string LoginPwd { get; set; }
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
string userName = Request.Form["txtName"];
string userPwd = Request.Form["txtPwd"];
//写到Cookie中
Response.Cookies["userName"].Value = Server.UrlEncode(userName);
Response.Cookies["userPwd"].Value = Server.UrlEncode(userPwd);
Response.Cookies["userName"].Expires = DateTime.Now.AddDays();
Response.Cookies["userPwd"].Expires = DateTime.Now.AddDays();
//读取cookie.
if (Request.Cookies["userName"] != null)
{
string name = Server.UrlDecode(Request.Cookies["userName"].Value);
LoginUserName = name;
}
if (Request.Cookies["userPwd"] != null)
{
string pwd = Server.UrlDecode(Request.Cookies["userPwd"].Value);
LoginPwd = pwd;
}
}
else
{
//读取cookie.
if (Request.Cookies["userName"]!=null)
{
string name = Server.UrlDecode(Request.Cookies["userName"].Value);
LoginUserName = name;
}
if (Request.Cookies["userPwd"] != null)
{
string pwd = Server.UrlDecode(Request.Cookies["userPwd"].Value);
LoginPwd = pwd;
}
}
}
}
}