和之前的一样用法.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory) { app.UseMvc(routes => { routes.MapRoute( name: "client-side", template: "{action=Index}/{Id:int?}", defaults: new { controller = "Home" }
// constraints: new { id = new IntRouteConstraint() } ); }); }