我浏览了多个博客等,试图找出如何使用Web API 2配置StructureMap,但没有一种实现对我有用。混乱似乎是围绕MVC使用的IDependency Resolver和Web API使用的IDependency Resolver。
首先,哪个是正确的Nuget软件包,其次,如何使用纯Web API 2项目对其进行配置?
谢谢
到目前为止,这是我所拥有的,并且似乎正在运行。这样对吗?
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;
}
}
}
最佳答案
我尝试解释如何一起(轻松)一起使用StructureMap和Web API时,链接很少:
WebAPI + APIController with structureMap
Configuring dependency injection with ASP.NET Web API 2.1
我们必须实现IHttpControllerActivator
,这可以从已经配置的StructureMap ObjectFactory
中受益:
public class ServiceActivator : IHttpControllerActivator
{
public ServiceActivator(HttpConfiguration configuration) {}
public IHttpController Create(HttpRequestMessage request
, HttpControllerDescriptor controllerDescriptor, Type controllerType)
{
var controller = ObjectFactory.GetInstance(controllerType) as IHttpController;
return controller;
}
}
然后,我们只需要注册我们的实现(global.asax):
protected void Application_Start()
{
...
HttpConfiguration config = GlobalConfiguration.Configuration;
config.Services
.Replace(typeof(IHttpControllerActivator), new ServiceActivator(config));
...
关于asp.net-web-api - 如何配置Web API 2和结构图,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/24590552/