netcore v2-Route特性

using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace PocoDemo
{
    [Route("goto")]
    public class TourControler:Controller
    {
        //goto/ny
        [Route("ny")]
       public IActionResult NewYork()
        {
            var action = RouteData.Values["action"].ToString();
            return Ok(action);
        }

        //goto/nyc
        [Route("nyc")]
        public IActionResult NewYorkCity()
        {
            var action = RouteData.Values["action"].ToString();
            return Ok(action);
        }
        //ny
        [Route("/ny")]
        public IActionResult BigApple()
        {
            var action = RouteData.Values["action"].ToString();
            return Ok(action);
        }
    }
}