public static void AutofacMvcRegister()
{
ContainerBuilder builder = new ContainerBuilder();
builder.RegisterGeneric(typeof(Repository <,>)).As(typeof(IRepository <,>));
Type baseType = typeof(IDependency);
Assembly[] assemblies = Assembly.GetExecutingAssembly().GetReferencedAssemblies()
.Select(Assembly.Load).ToArray();
assemblies = assemblies.Union(new[] { Assembly.GetExecutingAssembly() }).ToArray();
builder.RegisterAssemblyTypes(assemblies)
.Where(type => baseType.IsAssignableFrom(type) && !type.IsAbstract)
.AsImplementedInterfaces().InstancePerLifetimeScope(); //InstancePerLifetimeScope 保证生命周期基于请求
builder.RegisterControllers(Assembly.GetExecutingAssembly());
builder.RegisterFilterProvider();
IContainer container = builder.Build();
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
ContractHelper.SetContainer(container);
}