（二）Startup.cs

  public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            // 过滤器执行顺序 身份-动作-异常
            services.AddMvc(options =>
            {
                //options.Filters.Add<AuthorizationFilters>(); // 添加身份验证过滤器
                //options.Filters.Add<ActionFilter>(); // 添加出动作过滤器
                //options.Filters.Add<ExceptionFilter>(); // 添加出异常过滤器 
            });
        }
        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            app.UseMvc(route =>
            {
                route.MapRoute(
                    name: "default",
                    template: "{controller}/{action}/{id?}",
                    defaults: new { controller = "Values", action = "Get" }
               );
            });
        }
    }