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  • C#教程之C#中FormsAuthentication用法实例

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using System;
using System.Web;
using System.Web.Security;
 
namespace AuthTest
{
  public class Authentication
  {
    /// <summary>
    /// 设置用户登陆成功凭据（Cookie存储）
    /// </summary>
    /// <param name="UserName">用户名</param>
    /// <param name="PassWord">密码</param>
    /// <param name="Rights">权限</param>
    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);
      }
    }
    /// <summary>
    /// 判断用户是否登陆
    /// </summary>
    /// <returns>True,Fales</returns>
    public static bool isLogin()
    {
      return HttpContext.Current.User.Identity.IsAuthenticated;
    }
    /// <summary>
    /// 注销登陆
    /// </summary>
    public static void logOut()
    {
      FormsAuthentication.SignOut();
    }
    /// <summary>
    /// 获取凭据中的用户名
    /// </summary>
    /// <returns>用户名</returns>
    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 "";
      }
    }
    /// <summary>
    /// 获取凭据中的密码
    /// </summary>
    /// <returns>密码</returns>
    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 "";
      }
    }
    /// <summary>
    /// 获取凭据中的用户权限
    /// </summary>
    /// <returns>用户权限</returns>
    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 "";
      }
    }
  }
}


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