public override void OnActionExecuting(System.Web.Mvc.ActionExecutingContext filterContext)
        {

            var Request = filterContext.HttpContext.Request;
            var Response = filterContext.HttpContext.Response;
            var Session = filterContext.HttpContext.Session;
            Session.Timeout = 30;

            //令牌(pai)存儲在第三(san)方Session,退(tui)出(chu)只退(tui)自己平(ping)臺的(de)賬(zhang)號
            if (Session[TOKEN_KEY] != null)
            {
                //分站憑證存在
                //恭喜，分站憑證(zheng)存在，您被授權(quan)訪問該頁(ye)面！
                Lind.DDD.Logger.LoggerFactory.Instance.Logger_Debug("恭喜，分站憑證存(cun)在(zai)，您(nin)被授權(quan)訪問該頁面！");
            }
            else
            {
                //令牌驗證結果
                if (Request.QueryString[TOKEN_KEY] != null)
                {
                    if (Request.QueryString[TOKEN_KEY] != "$Token$")
                    {
                        //持有令牌
                        string tokenValue = Request.QueryString[TOKEN_KEY];

                        //調用WebService獲(huo)取主站憑證(zheng)[3]
                        var o = new WebClient().DownloadString(getCredenceUri + tokenValue);
                        if (!string.IsNullOrWhiteSpace(o))
                        {
                            //令牌正確[5,結束(shu)]
                            Session[TOKEN_KEY] = o;
                            //序(xu)列化用戶信息(xi)
                            var obj = o.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries);
                            Lind.DDD.Authorization.CurrentUser.Serialize(obj[0], obj[1]);
                            //恭喜(xi)，令(ling)牌存在，您被授權訪問該頁面！
                            Lind.DDD.Logger.LoggerFactory.Instance.Logger_Debug("恭喜，令牌(pai)存在，您被授權訪問該頁面！");
                        }
                        else
                        {
                            //令牌錯誤[4]
                            filterContext.Result = new RedirectResult(this.replaceToken());
                        }
                    }
                    else
                    {
                        //未持有令牌(pai)[2],獲取(qu)令牌(pai)
                        filterContext.Result = new RedirectResult(this.replaceToken());
                    }
                }
                //沒能領(ling)取(qu)令牌(pai)，去(qu)主(zhu)站領(ling)取(qu)[1]$Token$
                else
                {
                    filterContext.Result = new RedirectResult(this.getTokenURL());
                }
            }
            base.OnActionExecuting(filterContext);
        }