public ClaimsPrincipal Validate(string username,string password)
        {
            if (username=="Lexan"&&password=="password")
            {
                return new ClaimsPrincipal(new GenericIdentity(username));
            }
            //没有认证=>匿名
            return null;
        }

        public MainModule()
        {
            Get("/",Lexan=>"<a href=http://www.mamicode.com/‘/secure‘>地址栏输入/secure访问Secure页面");
        }

   public SecureModule() : base("/secure")
        {
            this.RequiresAuthentication();

            Get("/", args => "Hello " + this.Context.CurrentUser.Identity.Name);
        }

protected override void ApplicationStartup(TinyIoCContainer container, IPipelines pipelines)
        {
            base.ApplicationStartup(container, pipelines);
            pipelines.EnableBasicAuthentication(new BasicAuthenticationConfiguration(container.Resolve<IUserValidator>(),"Lexan"));
        }