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(7); Response.Cookies["userPwd"].Expires = DateTime.Now.AddDays(7); //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; } } } } }