app.UseEndpoints(endpoints =>
      {
        endpoints.MapControllerRoute(
          name: "default",
          pattern: "{controller=Home}/{action=Index}/{id");

        endpoints.MapAreaControllerRoute(
         name: "areas", "areas",
         pattern: "{area:exists}/{controller=Home}/{action=Index}/{id");
      });

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

namespace NLD.HouTai.Areas.Api.Controllers
{
  [ApiController]
  [Area("API")]
  [Route("API/[controller]/[action]")]
  public class UserController : ControllerBase
  {
    [HttpGet]
    public string Get()
    {
      return "Get";
    }
  }
}