我的ASP.Net MVC 4 Web API控制器不能与Unity.WebApi一起使用。在同一个项目中,简单的控制器可以正确使用Unity.Mvc3。但是,当我运行从ApiController衍生我得到一个消息的Web API控制器:ASP.Net MVC 4 Web API控制器不能使用Unity.WebApi
{ “的$ id”: “1”, “消息”: “发生错误”, “ExceptionMessage”:”类型 'ElectricTests.Controllers.Api.DocumentsController'没有 默认 构造函数“,”ExceptionType“:”System.ArgumentException“,”StackTrace“:” at System.Linq.Expressions.Expression.New(Type type个)\ r \ n在 System.Web.Http.Internal.TypeActivator.Create [TBASE](类型 instanceType个)\ r \ n在 System.Web.Http.Dispatcher.DefaultHttpControllerActivator.GetInstanceOrActivator(HttpRequestMessage 请求,控制器类型型,Func`1 &活化剂)\ r \ n在 System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage 请求,HttpControllerDescriptor controllerDescriptor,类型 controllerType)“}
我ApiController:
public class DocumentsController : ApiController
{
private readonly IDocumentsRepository _repository;
public DocumentsController(IDocumentsRepository repository) {
_repository = repository;
}
public IEnumerable<FormattedDocument> GetFormattedDocuments()
{
return _repository.GetAllFormattedDocuments();
}
...
Bootstrapper.cs:
public static class Bootstrapper {
public static void Initialise() {
IUnityContainer container = BuildUnityContainer();
DependencyResolver.SetResolver(new UnityDependencyResolver(container));
}
private static IUnityContainer BuildUnityContainer() {
var container = new UnityContainer();
// register all your components with the container here
// it is NOT necessary to register your controllers
// e.g. container.RegisterType<ITestService, TestService>();
container.RegisterType<IDocumentsRepository, DocumentsRepository>();
container.RegisterType<IQuestionsRepository, QuestionsRepository>();
container.RegisterType<ITestRepository, TestsRepository>();
return container;
}
}
哪里是我的错?
异常文本:DocumentsController没有默认构造函数 – 2013-04-21 14:45:02
本文解决的这个问题: http://www.asp.net/web-api/overview/extensibility/using-the-web-api-dependency -resolver – Oblomingo 2013-04-22 06:18:00