private void SetAuthCookie(string userId, bool createPersistentCookie)
{
var ticket = new FormsAuthenticationTicket(2, userId, DateTime.Now, DateTime.Now.AddDays(7), true, "", FormsAuthentication.FormsCookiePath);
string ticketEncrypted = FormsAuthentication.Encrypt(ticket);
HttpCookie cookie;
if (createPersistentCookie)//是否在設置的過期時間內一直有效
{
cookie = new HttpCookie(FormsAuthentication.FormsCookieName, ticketEncrypted)
{
HttpOnly = true,
Path = FormsAuthentication.FormsCookiePath,
Secure = FormsAuthentication.RequireSSL,
Expires = ticket.Expiration,
Domain = "cnblogs.com"http://這里設置認證的域名，同域名下包括子域名如aa.cnblogs.com或bb.cnblogs.com都保持相同的登錄狀態
};
}
else
{
cookie = new HttpCookie(FormsAuthentication.FormsCookieName, ticketEncrypted)
{
HttpOnly = true,
Path = FormsAuthentication.FormsCookiePath,
Secure = FormsAuthentication.RequireSSL,
//Expires = ticket.Expiration,//無過期時間的，瀏覽器關閉后失效
Domain = "cnblogs.com"
};
}
HttpContext.Current.Response.Cookies.Remove(FormsAuthentication.FormsCookieName);
HttpContext.Current.Response.Cookies.Add(cookie);
}
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
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 System.Data.SqlClient;
public partial class Login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
string connString = Convert.ToString(ConfigurationManager.ConnectionStrings["001ConnectionString"]);
//001ConnectionString是我在webconfig里配置的數據庫連接。
SqlConnection conn = new SqlConnection(connString);
string strsql = "select * from User_table where User_name='" + UserName.Text + "' and Password='" + Password.Text + "'";
SqlCommand cmd = new SqlCommand(strsql, conn);
conn.Open();
SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
if (dr.Read())
{
Response.Redirect("index.aspx");
conn.Close();
}
else
{
FailureText.Text = "登陸失敗,請檢查登陸信息!";
conn.Close();
Response.Write("script language=javascript>alert('登陸失敗!.');/script>");
}
}
protected void Button2_Click(object sender, EventArgs e) //文本框重置按鈕
{
UserName.Text = "";
Password.Text = "";
}
}
%@ Page Language="C#" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" %>
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
html xmlns=" http://www.w3.org/1999/xhtml" >
head runat="server">
title>無標題頁/title>
/head>
body>
form id="form1" runat="server">
asp:Panel ID="Panel1" runat="server" Height="101px" Width="231px" Wrap="False">
table>
tr>
td align="center" colspan="2">
用戶登陸/td>
/tr>
tr>
td style="width: 89px">
用戶名:/td>
td style="width: 100px">
asp:TextBox ID="UserName" runat="server" Wrap="False">/asp:TextBox>/td>
/tr>
tr>
td style="width: 89px">
密碼:/td>
td style="width: 100px">
asp:TextBox ID="Password" runat="server" TextMode="Password" Width="148px" Wrap="False" >/asp:TextBox>/td>
/tr>
tr>
td align="center" colspan="2" style="text-align: center">
asp:Button ID="Button1" runat="server" Text="登陸" Width="50px" OnClick="Button1_Click" />
asp:Button ID="Button2" runat="server" Text="重置" Width="50px" OnClick="Button2_Click" />/td>
/tr>
tr>
td align="center" colspan="2">
asp:Label ID="FailureText" runat="server" Width="77px">/asp:Label>/td>
/tr>
/table>
/asp:Panel>
/form>
/body>
/html>
