我正在尝试使用 Web API 2 设置结构图版本 3.0.5.0。
我遵循了这个实现:Configuring dependency injection with ASP.NET Web API 2.1
但是,在对我的 ComplexesController 进行获取时出现此错误:
尝试创建类型为“ComplexesController”的控制器时发生错误。确保控制器有一个无参数的公共构造函数。
谁能看到我的结构图配置有什么问题?Create 方法永远不会被调用。
这是我的实现:
public class StructureMapControllerActivator : IHttpControllerActivator
{
private readonly IContainer _container;
public StructureMapControllerActivator(IContainer container)
{
if (container == null) throw new ArgumentNullException("container");
_container = container;
}
public IHttpController Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)
{
try
{
var scopedContainer = _container.GetNestedContainer();
scopedContainer.Inject(typeof(HttpRequestMessage), request);
request.RegisterForDispose(scopedContainer);
return (IHttpController)scopedContainer.GetInstance(controllerType);
}
catch (Exception e)
{
// TODO : Logging
throw e;
}
}
}
这个方法是在我的启动...
public void InitializeContainer()
{
// STRUCTURE MAP
Container container = new Container();
GlobalConfiguration.Configuration.Services.Replace(typeof(IHttpControllerActivator), new StructureMapControllerActivator(container));
container.Configure(x => x.For<IForumRepository>().Use<ForumRepository>());
container.Configure(x => x.For<IComplexRepository>().Use<ComplexRepository>());
}
..这是控制器:
public class ComplexesController : ApiController
{
private IComplexRepository _repo;
public ComplexesController(IComplexRepository repo)
{
_repo = repo;
}
// GET: api/Complexes
public IList<Complex> GetComplexes()
{
var complexes = _repo.GetList();
return complexes;
}
...
我的完整创业课程
[assembly: OwinStartup(typeof(AngularJSAuthentication.API.Startup))]
namespace AngularJSAuthentication.API
{
public class Startup
{
public void Configuration(IAppBuilder app)
{
HttpConfiguration config = new HttpConfiguration();
WebApiConfig.Register(config);
app.UseWebApi(config);
}
}
}