yo aspnet:MvcController ContactController

using Microsoft.AspNet.Mvc;

// For more information on enabling MVC for empty projects, visit http://go.microsoft.com/fwlink/?LinkID=397860

namespace MyNamespace
{
    public class ContactController : Controller
    {
        // GET: /<controller>/
        public IActionResult Index()
        {
            return View();
        }
    }
}

yo aspnet:MvcView ContactView

@*
    For more information on enabling MVC for empty projects, visit http://go.microsoft.com/fwlink/?LinkID=397860
*@
@{
    // ViewBag.Title = "ContactView Page";
}

yo aspnet:WebApiController ValuesController

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.AspNet.Mvc;

// For more information on enabling Web API for empty projects, visit http://go.microsoft.com/fwlink/?LinkID=397860

namespace MyNamespace.Controllers
{
    [Route("api/[controller]")]
    public class ValuesController : Controller
    {
        // GET: api/values
        [HttpGet]
        public IEnumerable<string> Get()
        {
            return new string[] { "value1", "value2" };
        }

        // GET api/values/5
        [HttpGet("{id}")]
        public string Get(int id)
        {
            return "value";
        }

        // POST api/values
        [HttpPost]
        public void Post([FromBody]string value)
        {
        }

        // PUT api/values/5
        [HttpPut("{id}")]
        public void Put(int id, [FromBody]string value)
        {
        }

        // DELETE api/values/5
        [HttpDelete("{id}")]
        public void Delete(int id)
        {
        }
    }
}

yo aspnet:Class Contact

using System;

namespace MyNamespace
{
    public class Contact
    {

    }
}