webform中用cookie来实现登录与退出

来源：互联网发布：mg动画知乎编辑：程序博客网时间：2024/04/30 14:30

/// <summary>
/// 设置COOKIE 120 /// </summary>
/// <param name="userName"></param>
/// <param name="password"></param>
public void SetCookie(string username)
{
         DataTable table = getUser(username);
         if (table.Rows.Count > 0)
        {
             int userID = int.Parse(table.Rows[0]["userid"].ToString());
            int power = int.Parse(table.Rows[0]["power"].ToString());
             string userData = username.Replace(@"/", @"//") + "#" + power.ToString();
            FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, userID.ToString(), DateTime.Now, DateTime.Now.AddMinutes(60), false, userData, FormsAuthentication.FormsCookiePath);
            string encTicket = FormsAuthentication.Encrypt(ticket);
             HttpCookie newCookie = new HttpCookie(FormsAuthentication.FormsCookieName, encTicket);
             HttpContext.Current.Response.Cookies.Add(newCookie);
         }
}

/// <summary>
/// 判断用户是否登录 /// </summary>
/// <returns>已登录返回true</returns>
public bool IsLogin()

{
    return HttpContext.Current.User.Identity.IsAuthenticated;
}
    /**//// <summary>
/// 退出登录
/// </summary>
public void Logout()
{
            FormsAuthentication.SignOut();

}

/// 获取登录的用户ID
/// </summary>
/// <returns></returns>
public int getUserID()

{
     if (IsLogin())
      {
           return Convert.ToInt32(HttpContext.Current.User.Identity.Name);
       }
       else

      {
         return -1;
       }
}

/**//// <summary>
/// 获得用户名
/// </summary>
/// <returns></returns>
public string getUserName()

           {
                  return UserData[0].Replace(@"//", @"/");
            }
           else                    return "";
            }
            else
{
return "";
}
}

<summary>
/// 返回用户的角色
/// </summary>
/// <returns></returns>
public int getUserRole()
{

       if (IsLogin())
       {
               string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
               string[] UserData = strUserData.Split(new string[] ...{ @"#" }, StringSplitOptions.RemoveEmptyEntries);
                if (UserData.Length > 0)
               ...{
                  return Int32.Parse(UserData[1]);
              }
              else
                  return -1;
            }
            else
           ...{
              return -1;
           }
       }
/// <summary>
      /// 判断用户是否登录 /// </summary>
       /// <returns>已登录返回true</returns>
      public bool IsLogin()     ...{
return HttpContext.Current.User.Identity.IsAuthenticated;
        }
      /**//// <summary>
       /// 退出登录
       /// </summary>
      public void Logout()
     ...{
         FormsAuthentication.SignOut();
       }
        /**//// <summary>
        /// 获取登录的用户ID
       /// </summary>
      /// <returns></returns>

       public int getUserID()
     {
if (IsLogin())
          {
               return Convert.ToInt32(HttpContext.Current.User.Identity.Name);
          }
        else
         {
return -1;
            }
       }
/// <summary>
/// 获得用户名
/// </summary>
/// <returns></returns>
public string getUserName()
{
     if (IsLogin())
     {
          string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
          string[] UserData = strUserData.Split(new string[] ...{ @"#" }, StringSplitOptions.RemoveEmptyEntries);
         if (UserData.Length > 0)
               {
                   return UserData[0].Replace(@"//", @"/");
               }
               else
                   return "";
           }
            else
          {
               return "";
          }
       }