用户登录信息

/// <summary>
        /// 用户是否登录
        /// </summary>
        public static bool UserIsLogin
        {
            get
            {
                if (HttpContext.Current.Session["B2CRegUserName"] == null)
                    return false;
                return true;
            }
        }

        /// <summary>
        /// 用户退出
        /// </summary>
        public static void LogonOut()
        {
            if (HttpContext.Current.Session["B2CRegUserName"] != null)
            {
                HttpContext.Current.Session["B2CRegUserName"] = null;
            }
            if (HttpContext.Current.Response.Cookies["B2CRegUserName"] != null)
            {
                HttpContext.Current.Response.Cookies["B2CRegUserName"].Value = "";
            }
            if (HttpContext.Current.Session["B2CUserType"] != null)
            {
                HttpContext.Current.Session["B2CUserType"] = null;
            }
        }

        /// <summary>
        /// 添加Session["B2CUserRegName"]
        /// </summary>
        /// <param name="username"></param>
        /// <param name="usertype"></param>
        public static void AddUserToSession(string username, string usertype)
        {
            if (false == UserIsLogin)
            {
                HttpContext.Current.Session["B2CRegUserName"] = username;
                HttpContext.Current.Session["B2CUserType"] = usertype;
            }
            else
            {
                if (!UserNameOfSession.Equals(username))
                {
                    HttpContext.Current.Response.Cookies["B2CRegUserName"].Value = username;
                    HttpContext.Current.Response.Cookies["B2CRegUserName"].Domain =
                        ConfigurationManager.AppSettings["B2CDomain"];
                    HttpContext.Current.Response.Cookies["B2CRegUserName"].Expires = DateTime.Now.AddDays(1);
                    HttpContext.Current.Session["B2CRegUserName"] = username;
                    HttpContext.Current.Session["B2CUserType"] = usertype;
                }
            }
        }

        /// <summary>
        /// 获取Session中的UserName值
        /// </summary>
        public static string UserNameOfSession
        {
            get
            {
                if (HttpContext.Current.Session["B2CRegUserName"] != null)
                    return HttpContext.Current.Session["B2CRegUserName"].ToString();
                return "";
            }
        }

        /// <summary>
        /// 获取Session中的UserType值
        /// </summary>
        public static string UserTypeOfSession
        {
            get
            {
                if (HttpContext.Current.Session["B2CUserType"] != null)
                    return HttpContext.Current.Session["B2CUserType"].ToString();
                return "";
            }
        }