using System.Web;

using System.Web.Mvc;

namespace API

{

    public class FilterConfig

    {

        public static void RegisterGlobalFilters(GlobalFilterCollection filters)

        {

            filters.Add(new HandleErrorAttribute());

            //增加新的filter

        }

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web.Http;

using API.Filters;

namespace API

{

    public static class WebApiConfig

    {

        public static void Register(HttpConfiguration config)

        {

           //增加filter

            config.Filters.Add(new Filters.ExceptionFilter());            

            // Web API routes

            config.MapHttpAttributeRoutes();

            config.Routes.MapHttpRoute(

                name: "DefaultApi",

                routeTemplate: "api/{controller}/{id}",

                defaults: new { id = RouteParameter.Optional }

            );

        }

    }

}