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私は新しいasp mvc core 2.0の角度テンプレートを作成し、Automapperでコントローラにマップしたいモデルとdtosを追加しました。私はautomapper 6.1.1を含んだ。 http://localhost:61031/api/classesに移動すると、タイプマップの設定が欠落しているか、サポートされていないマッピングが表示されます。私は多くの記事を読んだが、何が起こっているのかを見つけることができない。次のようにAsp MVC core 2.0 automapper（タイプマップ設定が見つからないか、サポートされていないマッピングです。）
私のコードは次のとおりです。
プロジェクトの概要 
MODELS
Models.Classes.csを
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Threading.Tasks;
namespace WebApplication1.Models
{
public class Classes
{
[Key]
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }
[Required]
[MaxLength(50)]
public string ClassName { get; set; }
[Required]
[Range(1, 50)]
public int MaxStudents { get; set; }
public ICollection<Students> Students { get; set; } = new List<Students>();
}
}
Models.Students.cs
using System;
namespace WebApplication1.Models
{
public class Students
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public DateTime DateOfBirth { get; set; }
public Gender Gender { get; set; }
public Classes Classes { get; set; }
public int ClassId { get; set; }
}
}
Models.EdulyContext.cs
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace WebApplication1.Models
{
public class EdulyContext : DbContext
{
public EdulyContext(DbContextOptions<EdulyContext> options) : base(options)
{
Database.Migrate();
}
public DbSet<Classes> Classes { get; set; }
public DbSet<Students> Students { get; set; }
}
}
DTOS
Dto.ClassesDtos.ClassesDto.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using WebApplication1.Models;
namespace WebApplication1.Dto.ClassesDtos
{
public class ClassesDto
{
public string ClassName { get; set; }
public int MaxStudents { get; set; }
public ICollection<Students> Students { get; set; } = new List<Students>();
}
}
Dto.StudentsDtos.StudentDto.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using WebApplication1.Models;
namespace WebApplication1.Dto.StudentsDtos
{
public class StudentsDto
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public DateTime DateOfBirth { get; set; }
public Gender Gender { get; set; }
public Models.Classes Classes { get; set; }
public int ClassId { get; set; }
}
}
コントローラー
Controllers.ClassesController.csスタートアップにおいて
using AutoMapper;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using WebApplication1.Dto.ClassesDtos;
using WebApplication1.Repositories.Interfaces;
namespace WebApplication1.Controllers
{
[Route("api/classes")]
public class ClassesController : Controller
{
private IClassesRepository _classesRepository;
public ClassesController(IClassesRepository classesRepository)
{
_classesRepository = classesRepository;
}
[HttpGet()]
public IActionResult GetClasses()
{
var classesEntities = _classesRepository.GetClasses();
var results = Mapper.Map<ClassesDto>(classesEntities);
return Ok(results);
}
}
}
のProgram.cs
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace WebApplication1
{
public class Program
{
public static void Main(string[] args)
{
var host = BuildWebHost(args);
host.Run();
}
public static IWebHost BuildWebHost(string[] args)
{
return new WebHostBuilder()
.UseKestrel()
.UseContentRoot(Directory.GetCurrentDirectory())
.ConfigureAppConfiguration((builderContext, config) =>
{
IHostingEnvironment env = builderContext.HostingEnvironment;
})
.UseIISIntegration()
.UseStartup<Startup>()
.Build();
}
}
}
Startup.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.SpaServices.Webpack;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using WebApplication1.Models;
using WebApplication1.Dto;
using Microsoft.EntityFrameworkCore;
using WebApplication1.Repositories.Interfaces;
using WebApplication1.Repositories;
namespace WebApplication1
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc();
var connectionString = @"server=(localdb)\mssqllocaldb;Database=EdulyDbCore2;Trusted_Connection=True";
services.AddDbContext<EdulyContext>(o => o.UseSqlServer(connectionString));
services.AddScoped<IClassesRepository, ClassesRepository>();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
app.UseWebpackDevMiddleware(new WebpackDevMiddlewareOptions
{
HotModuleReplacement = true
});
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
AutoMapper.Mapper.Initialize(cfg =>
{
cfg.CreateMap<Models.Classes, Dto.ClassesDtos.ClassesDto>();
cfg.CreateMap<Dto.ClassesDtos.ClassesDto, Models.Classes>();
cfg.CreateMap<Models.Students, Dto.StudentsDtos.StudentsDto>();
cfg.CreateMap<Dto.StudentsDtos.StudentsDto, Models.Students>();
});
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
routes.MapSpaFallbackRoute(
name: "spa-fallback",
defaults: new { controller = "Home", action = "Index" });
});
}
}
}
私は一定であることがclassesDtoにクラスから両方向にマッピング。私が間違ってやっていることを誰かが知っているなら、助けはずっと償われているでしょう。乾杯！