protected void Application_Start()
{
log4net.Config.XmlConfigurator.Configure();
GlobalFilters.Filters.Add(new YersExceptionFilter());
ModelBinders.Binders.Add(typeof(string), new TrimToDbcModelBinder());
ModelBinders.Binders.Add(typeof(int), new TrimToDbcModelBinder());
ModelBinders.Binders.Add(typeof(long), new TrimToDbcModelBinder());
ModelBinders.Binders.Add(typeof(double), new TrimToDbcModelBinder());
ModelBinders.Binders.Add(typeof(decimal), new TrimToDbcModelBinder());
var builder = new ContainerBuilder();
builder.RegisterControllers(typeof(MvcApplication).Assembly)
.PropertiesAutowired(); //把当前程序集中的Controller都注册 //不要忘了.PropertiesAutowired()
// 获取所有相关类库的程序集
Assembly[] assemblies = new Assembly[] { Assembly.Load("Yers.Service") };
builder.RegisterAssemblyTypes(assemblies)
.Where(type => !type.IsAbstract &&
typeof(IServiceSupport).IsAssignableFrom(type))
.AsImplementedInterfaces().PropertiesAutowired();
//Assign：赋值
//type1.IsAssignableFrom(type2);type1类型的变量是否可以指向type2类型的对象
//换一种说法：type2是否实现了type1接口/type2是否继承自type1
//typeof(IServiceSupport).IsAssignableFrom(type)只注册实现了IServiceSupport的类
//避免其他无关的类注册到AutoFac中
var container = builder.Build();
//注册系统级别的DependencyResolver，这样当MVC框架创建Controller等对象的时候都是管Autofac要对象。
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));//!!!
AreaRegistration.RegisterAllAreas();
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
EntityMapping.Initialize();
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
Database.SetInitializer(new MigrateDatabaseToLatestVersion <YersDbContext, Configuration>());
}