Multiple actions were found that match the request多个操作中发现符合要求

在做WEBAPI时，发现这个错，

解决这个问题，只要把原来的路由：

 public class RouteConfig

    {

        public static void RegisterRoutes(RouteCollection routes)

        {

            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(

                name: "Default",

                url: "{controller}/{action}/{id}",

                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }

            );

        }

    }

改为

 public class RouteConfig

    {

        public static void RegisterRoutes(RouteCollection routes)

        {

            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

routes.MapHttpRoute(

name: "API Default",

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

defaults: new { id = RouteParameter.Optional });

            );

        }

    }

最后

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