C#中FormsAuthentication用法实例

using System;
using System.Web;
using System.Web.Security;

namespace AuthTest
{
  public class Authentication
  {
    /// 

    /// 设置用户登陆成功凭据（cookie存储）
    /// 
    /// 用户名
    /// 密码
    /// 权限
    public static void Setcookie(string UserName,string PassWord,string Rights)
    {
      //
      //String PassWord="test";
      //
      String UserData = UserName + "#" + PassWord+"#"+Rights;
      if (true)
      {
 //数据放入ticket
 FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, UserName, DateTime.Now, DateTime.Now.AddMinutes(60), false, UserData);
 //数据加密
 string enyTicket = FormsAuthentication.Encrypt(ticket);
 Httpcookie cookie = new Httpcookie(FormsAuthentication.FormscookieName, enyTicket);
 HttpContext.Current.Response.cookies.Add(cookie);
      }
    }
    /// 

    /// 判断用户是否登陆
    /// 
    /// True,Fales
    public static bool isLogin()
    {
      return HttpContext.Current.User.Identity.IsAuthenticated;
    }
    /// 

    /// 注销登陆
    /// 
    public static void logOut()
    {
      FormsAuthentication.SignOut();
    }
    /// 

    /// 获取凭据中的用户名
    /// 
    /// 用户名
    public static string getUserName()
    {
      if (isLogin())
      {
 string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
 string[] UserData = strUserData.Split('#');
 if (UserData.Length != 0)
 {
   return UserData[0].ToString();
 }
 else
 {
   return "";
 }
      }
      else
      {
 return "";
      }
    }
    /// 

    /// 获取凭据中的密码
    /// 
    /// 密码
    public static string getPassWord()
    {
      if (isLogin())
      {
 string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
 string[] UserData = strUserData.Split('#');
 if (UserData.Length!=0)
 {
   return UserData[1].ToString();
 }
 else
 {
   return "";
 }
      }
      else
      {
 return "";
      }
    }
    /// 

    /// 获取凭据中的用户权限
    /// 
    /// 用户权限
    public static string getRights()
    {
      if (isLogin())
      {
 string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
 string[] UserData = strUserData.Split('#');
 if (UserData.Length!=0)
 {
   return UserData[2].ToString();
 }
 else
 {
   return "";
 }
      }
      else
      {
 return "";
      }
    }
  }
}