票据是asp.net登录验证的一种方式，以前研究过，现在并不使用，今天发现了，记录一下。
/*###################票据工具###################
* 1.设置<authentication mode="Forms"/>
* 2.票据数据保存在cookie中，Logout就一直处于登录状态。
##############################################*/
using System;
using System.Collections.Generic;
using System.Text; using System.Web;
using System.Web.Security; namespace YL.Common
{
public class TicketTool
{
/// <summary>
/// 创建一个票据，放在cookie中
/// 票据中的数据经过加密，解决了cookie的安全问题。
/// </summary>
/// <param name="username"></param>
public static void SetCookie(string username, string userData)
{
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(, username, DateTime.Now, DateTime.Now.AddMinutes(), false, userData, FormsAuthentication.FormsCookiePath);
string encTicket = FormsAuthentication.Encrypt(ticket);
HttpCookie newCookie = new HttpCookie(FormsAuthentication.FormsCookieName, encTicket);
HttpContext.Current.Response.Cookies.Add(newCookie);
}
/// <summary>
/// 通过此法判断登录
/// </summary>
/// <returns>已登录返回true</returns>
public static bool IsLogin()
{
return HttpContext.Current.User.Identity.IsAuthenticated;
}
/// <summary>
/// 退出登录
/// </summary>
public static void Logout()
{
FormsAuthentication.SignOut();
}
/// <summary>
/// 取得登录用户名
/// </summary>
/// <returns></returns>
public static string GetUserName()
{
return HttpContext.Current.User.Identity.Name;
}
/// <summary>
/// 取得票据中数据
/// </summary>
/// <returns></returns>
public static string GetUserData()
{
return (HttpContext.Current.User.Identity as FormsIdentity).Ticket.UserData;
}
}
}