Install-Package Autofac.Mvc5 -Version 4.0.2

install-package autofac.webapi2

public class Person{public int Id { get; set; }public string Name { get; set; }public int Age { get; set; }public string Address { get; set; }}

public interface IPersonRepository{IEnumerable<Person> GetAll();Person Get(int id);Person Add(Person item);bool Update(Person item);bool Delete(int id);}

public class PersonRepository : IPersonRepository{List<Person> person = new List<Person>();public PersonRepository(){Add(new Person { Id = 1, Name = "joye.net1", Age = 18, Address = "中国上海" });Add(new Person { Id = 2, Name = "joye.net2", Age = 18, Address = "中国上海" });Add(new Person { Id = 3, Name = "joye.net3", Age = 18, Address = "中国上海" });}public IEnumerable<Person> GetAll(){return person;}public Person Get(int id){return person.Find(p => p.Id == id);}public Person Add(Person item){if (item == null){throw new ArgumentNullException("item");}person.Add(item);return item;}public bool Update(Person item){if (item == null){throw new ArgumentNullException("item");}int index = person.FindIndex(p => p.Id == item.Id);if (index == -1){return false;}person.RemoveAt(index);person.Add(item);return true;}public bool Delete(int id){person.RemoveAll(p => p.Id == id);return true;}}

public class MvcApplication : System.Web.HttpApplication{private void SetupResolveRules(ContainerBuilder builder){builder.RegisterType<PersonRepository>().As<IPersonRepository>();}protected void Application_Start(){var builder = new ContainerBuilder();SetupResolveRules(builder);builder.RegisterControllers(Assembly.GetExecutingAssembly()).PropertiesAutowired();var container = builder.Build();DependencyResolver.SetResolver(new AutofacDependencyResolver(container));AreaRegistration.RegisterAllAreas();FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);RouteConfig.RegisterRoutes(RouteTable.Routes);BundleConfig.RegisterBundles(BundleTable.Bundles);}}