有没有人使用IoC容器向ASP.NET WebAPI控制器注入依赖关系的任何成功?我似乎无法得到它的工作。使用Unity无法注入ASP.NET Web API控制器的依赖关系
这就是我现在要做的。
在我global.ascx.cs
:
public static void RegisterRoutes(RouteCollection routes)
{
// code intentionally omitted
}
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
RegisterGlobalFilters(GlobalFilters.Filters);
RegisterRoutes(RouteTable.Routes);
IUnityContainer container = BuildUnityContainer();
System.Web.Http.GlobalConfiguration.Configuration.ServiceResolver.SetResolver(
t =>
{
try
{
return container.Resolve(t);
}
catch (ResolutionFailedException)
{
return null;
}
},
t =>
{
try
{
return container.ResolveAll(t);
}
catch (ResolutionFailedException)
{
return new System.Collections.Generic.List<object>();
}
});
System.Web.Mvc.ControllerBuilder.Current.SetControllerFactory(new UnityControllerFactory(container));
BundleTable.Bundles.RegisterTemplateBundles();
}
private static IUnityContainer BuildUnityContainer()
{
var container = new UnityContainer().LoadConfiguration();
return container;
}
我的控制器厂:
public class UnityControllerFactory : DefaultControllerFactory
{
private IUnityContainer _container;
public UnityControllerFactory(IUnityContainer container)
{
_container = container;
}
public override IController CreateController(System.Web.Routing.RequestContext requestContext,
string controllerName)
{
Type controllerType = base.GetControllerType(requestContext, controllerName);
return (IController)_container.Resolve(controllerType);
}
}
它似乎永远都看在我的统一文件来解决依赖关系,我也得到出现如下错误:
尝试创建类型为 'PersonalShopper.Services.WebApi.Controllers.ShoppingListController'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。
在 System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpControllerContext controllerContext,类型controllerType) 在System.Web.Http.Dispatcher.DefaultHttpControllerFactory.CreateInstance(HttpControllerContext controllerContext,HttpControllerDescriptor controllerDescriptor) 在系统。 Web.Http.Dispatcher.DefaultHttpControllerFactory.CreateController(HttpControllerContext controllerContext,字符串controllerName) 在System.Web.Http.Dispatcher.HttpControllerDispatcher.SendAsyncInternal(HttpRequestMessage 请求,的CancellationToken的CancellationToken) 在System.Web.Ht tp.Dispatcher.HttpControllerDispatcher.SendAsync(HttpRequestMessage 请求的CancellationToken的CancellationToken)
控制器的样子:
public class ShoppingListController : System.Web.Http.ApiController
{
private Repositories.IProductListRepository _ProductListRepository;
public ShoppingListController(Repositories.IUserRepository userRepository,
Repositories.IProductListRepository productListRepository)
{
_ProductListRepository = productListRepository;
}
}
我的统一文件看起来像:
<unity xmlns="http://schemas.microsoft.com/practices/2010/unity">
<container>
<register type="PersonalShopper.Repositories.IProductListRepository, PersonalShopper.Repositories" mapTo="PersonalShopper.Implementations.MongoRepositories.ProductListRepository, PersonalShopper.Implementations" />
</container>
</unity>
注我没有控制器本身的注册在先前版本的mvc中,控制器工厂会发现需要解决的依赖关系。
这似乎是我的控制器工厂从未被称为。
你是如何为'GlobalConfiguration.Configuration.ServiceResolver.SetResolver()'实现lamda的? – jrummell 2012-03-14 13:15:07
该代码在原始问题中。 – 2012-03-14 22:52:22
是的,它当然是。我没有阅读。 – jrummell 2012-03-15 13:01:28