public class UserInfo

{

    public int Id { get; set; }

    public string Name { get; set; }

}

public interface IRepository<T>

{

    void Add( T item );

    void Modifty( T item );

    List<T> Find( Expression<Func<T, bool>> predicate = null );

}

public interface IProductRepository:IRepository<ProductInfo>

{

}

public class ProductRepository : IProductRepository

{

    private static List<ProductInfo> _products = new List<ProductInfo>();

    public void Add( ProductInfo item )

    {

        _products.Add( item );

    }

    public List<ProductInfo> Find( Expression<Func<ProductInfo, bool>> predicate = null )

    {

        if ( predicate == null ) return _products;

        return _products.Where( predicate.Compile() ).ToList();

    }

    public void Modifty( ProductInfo item )

    {

        var product = _products.Find( u => u.Id == item.Id );

        if ( product == null ) return;

        product.Name = item.Name;

    }

} 

public interface IAppService<T>

{

    void Add( T item );

    void Modify( T item );

    List<T> Find( Expression<Func<T, bool>> predicate = null );

}

public interface IProductAppService:IAppService<ProductInfo>

{

}

public class ProductAppService : IProductAppService

{

    public IProductRepository ProductRepository { get; set; }

    public void Add( ProductInfo item )

    {

        this.ProductRepository.Add( item );

    }

    public List<ProductInfo> Find( Expression<Func<ProductInfo, bool>> predicate = null )

    {

        return this.ProductRepository.Find( predicate );

    }

    public void Modify( ProductInfo item )

    {

        this.ProductRepository.Modifty( item );

    }

} 

public class ProductController : Controller

{

    public IProductAppService ProductService { get; set; }

    public ActionResult Index()

    {

        this.ProductService.Add( new ProductInfo { Id = , Name = "Lumia" } );

        return View("~/Views/Product/Index.cshtml");

    }

} 

private void _InitIoC()

{

    var builder = new ContainerBuilder();

    builder.RegisterControllers( typeof( MvcApplication ).Assembly )

        .PropertiesAutowired();

    builder.RegisterAssemblyTypes( typeof( MvcApplication ).Assembly )

        .Where( t => (t.Name.EndsWith( "Repository" ) || t.Name.EndsWith("AppService")) && !t.IsAbstract )

        //.InstancePerDependency()    //每次都创建一个对象

        //.SingleInstance()   //每次都是同一个对象

        //.InstancePerLifetimeScope()     //同一个生命周期生成的对象是同一个

        .InstancePerRequest()   //单个 Web / HTTP / API 请求的范围内的组件的共享一个实例。仅可用于支持每个请求的依赖关系的整合（如MVC，Web API，Web Forms等）。

        .AsImplementedInterfaces()

        .PropertiesAutowired();

    var container = builder.Build();

    var resolver = new AutofacDependencyResolver( container, new StubLifetimeScopeProvider( container ) );

    DependencyResolver.SetResolver( resolver );

}