0
我测试了Autofac容器与这些如下:autofac如何使用构造函数参数返回服务?
var builder = new ContainerBuilder();
builder.Register(t => new TreatmentCenterRepository())
.As<IRepository<TreatmentCenter>>();
builder.Register(t => new CreateTreatmentCenterCommandHandler(t.Resolve<IRepository<TreatmentCenter>>()))
.As<ICommandHandler<CreateTreatmentCenterCommand>>();
var container = builder.Build();
var repo = container.Resolve<IRepository<TreatmentCenter>>();
var handler = container.Resolve<ICommandHandler<TreatmentCenter>>();
Console.WriteLine(repo);
Console.WriteLine(handler);
命令处理程序实现有一个构造函数与库参数。
当我运行此我得到这个异常:
Unhandled Exception: Autofac.Core.Registration.ComponentNotRegisteredException: The requested service 'Console
Application2.ICommandHandler`1[[ConsoleApplication2.TreatmentCenter, ConsoleApplication2, Version=1.0.0.0, Cul
ture=neutral, PublicKeyToken=null]]' has not been registered.
at Autofac.ResolutionExtensions.Resolve(IComponentContext context, Service service, IEnumerable`1 parameter
s)
at Autofac.ResolutionExtensions.Resolve[TService](IComponentContext context, IEnumerable`1 parameters)
at Autofac.ResolutionExtensions.Resolve[TService](IComponentContext context)
at ConsoleApplication2.Program.Main(String[] args) in D:\Projects\Test Projects\ConsoleApplication2\Console
Application2\Program.cs:line 30
为什么barfing?我清楚地将该处理程序与存储库注册为ctor参数。
感谢
你是对的,我的好先生。最后一条语句应该是“var handler = container.Resolve>();”感谢您指出了这一点。 –
harropriiz
2010-05-13 21:50:37