/// <summary>
 /// 登录前
 /// </summary>
 /// <param name="filterContext">过滤上下文</param>
 public override void OnActionExecuting(ActionExecutingContext filterContext)
 {
     try
     {
         UserInfo admin    = UserOperate.GetSuperAdmin(); //获取管理员信息
         string   username = filterContext.ActionArguments["username"].ObjToStr();
         loginLog.UserId         = UserOperate.GetUserIdByUserName(username).ObjToStr();
         loginLog.LoginName      = username;
         loginLog.LoginTime      = DateTime.Now;
         loginLog.LoginIp        = WebHelper.GetClientIP(filterContext.HttpContext.Request);
         loginLog.CreateUserId   = admin.UserId; //添加人默认为空
         loginLog.CreateDate     = DateTime.Now;
         loginLog.CreateUserName = admin.AliasName;
         loginLog.ModifyUserId   = admin.UserId; //修改人默认为空
         loginLog.ModifyDate     = DateTime.Now;
         loginLog.ModifyUserName = admin.AliasName;
     }
     catch { }
 }