// GET: IIdentityDemo4
        public ActionResult Index()
        {
            var myIndetity = new MyIndetity4("huruiyi", new List <string> {
                "user"
            }, 13456);

            HttpContext.User = new MyPrincal4(myIndetity);
            var a = HttpContext.User.IsInRole("admin");
            var b = HttpContext.User.Identity.IsAuthenticated;

            return(Content(""));
        }
 public MyPrincal4(MyIndetity4 myIndetity)
 {
     _myIndetity = myIndetity;
 }