Question

我有兴趣在.NET 4.5上运行的ASP.NET 4.5（MVC5）项目中使用一些ASP.NET 5程序包，如Logging和Dependency Injection。我已成功安装了来自nuget的两个软件包，并且似乎能够正常使用它们。我有什么理由不这样做（除了他们当然处于测试阶段的事实）？

Answer 1

不在ASP.NET MVC中使用ASP.NET 5依赖注入的一个原因是它没有提供ASP.NET 4.6所需的许多功能来使其工作。例如。

没有依赖性解析器实现。你必须自己写。
UrlHelper等类型不会自动为您注册。你必须自己做。

像Autofac这样的东西会为你做这件事，并且设计用于ASP.NET 4.6。这是一个使用Autofac开始的示例类：

/// <summary>
/// Register types into the Autofac Inversion of Control (IOC) container. Autofac makes it easy to register common 
/// MVC types like the <see cref="UrlHelper"/> using the <see cref="AutofacWebTypesModule"/>. Feel free to change 
/// this to another IoC container of your choice but ensure that common MVC types like <see cref="UrlHelper"/> are 
/// registered. See http://autofac.readthedocs.org/en/latest/integration/aspnet.html.
/// </summary>
public partial class Startup
{
    public static void ConfigureContainer(IAppBuilder app)
    {
        IContainer container = CreateContainer();
        app.UseAutofacMiddleware(container);

        // Register MVC Types 
        app.UseAutofacMvc();
    }

    private static IContainer CreateContainer()
    {
        ContainerBuilder builder = new ContainerBuilder();

        builder.RegisterType<MyService>().As<IMyService>().InstancePerRequest();

        // Register Common MVC Types
        builder.RegisterModule<AutofacWebTypesModule>();

        // Register MVC Filters
        builder.RegisterFilterProvider();

        // Register MVC Controllers
        builder.RegisterControllers(Assembly.GetExecutingAssembly());

        IContainer container = builder.Build();

        DependencyResolver.SetResolver(new AutofacDependencyResolver(container));

        return container;
    }
}

在ASP.NET 4.5项目中使用ASP.NET 5包

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