.Net Core 中使用AutoMapper

1、新建一个类

using AutoMapper;
using YourModels;
using YourViewModels;
namespace YourNamespace
{
public class AutoMapperProfileConfiguration : Profile
{
protected override void Configure()
{
CreateMap<Application, ApplicationViewModel>();
CreateMap<ApplicationViewModel, Application>();
...
}
}
}

2、在Startup.cs中增加MapperConfiguration属性

private MapperConfiguration _mapperConfiguration { get; set; }

3、在Startup.cs中的Startup方法中增加

_mapperConfiguration = new MapperConfiguration(cfg =>
{
cfg.AddProfile(new AutoMapperProfileConfiguration());
});

4、在ConfigureServices()中增加

services.AddSingleton<IMapper>(sp => _mapperConfiguration.CreateMapper());

5、使用

using AutoMapper;
using ...
namespace YourNamespace
{
public class ApplicationsController : BaseController
{
[FromServices]
private IMapper _mapper { get; set; }
[FromServices]
private IApplicationRepository _applicationRepository { get; set; }
public ApplicationsController(
IMapper mapper,
IApplicationRepository applicationRepository)
{
_mapper = mapper;
_applicationRepository = applicationRepository;
}
// GET: Applications
public async Task<IActionResult> Index()
{
IEnumerable<Application> applications = await _applicationRepository.GetForIdAsync(...);
if (applications == null)
return HttpNotFound();
List<ApplicationViewModel> viewModel = _mapper.Map<List<ApplicationViewModel>>(applications);
return View(viewModel);
}
...
}
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