我浏览了多个博客等,试图找出如何使用 Web API 2 配置 StructureMap,但没有一个实现对我有用。混乱似乎在于 MVC 使用的 IDependency Resolver 和 Web API 使用的 IDependency Resolver 不同。
首先,哪个是正确的 Nuget 包,其次,如何使用纯 Web API 2 项目配置它?
谢谢
这是我到目前为止所拥有的,并且似乎有效。这是正确的吗?
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;
}
}
}
我试图解释如何一起使用(轻松) StructureMap 和 Web API 的链接很少:
我们必须实现
IHttpControllerActivator
,这可以从已配置的 StructureMap ObjectFactory
: 中获益
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,我们必须注册我们的实现(global.asax):
protected void Application_Start()
{
...
HttpConfiguration config = GlobalConfiguration.Configuration;
config.Services
.Replace(typeof(IHttpControllerActivator), new ServiceActivator(config));
...
有一个核心:https://www.nuget.org/packages/WebApi.StructureMap/
public class Global : System.Web.HttpApplication
{
protected void Application_Start(object sender, EventArgs e)
{
GlobalConfiguration.Configuration.UseStructureMap<Registry>();
// Or
GlobalConfiguration.Configuration.UseStructureMap(x =>
{
x.AddRegistry<Registry1>();
x.AddRegistry<Registry2>();
});
...
}
}