[英]Autofac - dependency injection for MVC controller and Web Api controller
I have MVC controllers (in Controllers folder) and Web Api controllers (in Api folder) in the same project: Here is the folder structure: 我在同一个项目中有MVC控制器(在Controllers文件夹中)和Web Api控制器(在Api文件夹中):这是文件夹结构:
Here is my bootstrapper method: 这是我的bootstrapper方法:
private static void SetAutofacContainer()
{
var builder = new ContainerBuilder();
builder.RegisterApiControllers(Assembly.GetExecutingAssembly());
builder.RegisterControllers(Assembly.GetExecutingAssembly());
//builder.RegisterType<UnitOfWork>().As<IUnitOfWork>().InstancePerRequest();
builder.RegisterType<DbFactory>().As<IDbFactory>().InstancePerRequest();
// Repositories
builder.RegisterAssemblyTypes(typeof(ProductRepository).Assembly)
.Where(t => t.Name.EndsWith("Repository"))
.AsImplementedInterfaces().InstancePerRequest();
IContainer container = builder.Build();
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
}
I can not inject repositories to my Web Api controllers. 我无法将存储库注入我的Web Api控制器。 Here is the exception I get: 这是我得到的例外:
An error occurred when trying to create a controller of type 'ProductController'. 尝试创建“ProductController”类型的控制器时发生错误。 Make sure that the controller has a parameterless public constructor. 确保控制器具有无参数的公共构造函数。
What am I doing wrong? 我究竟做错了什么?
You haven't set Web API's GlobalConfiguration.Configuration.DependencyResolver
; 您尚未设置Web API的GlobalConfiguration.Configuration.DependencyResolver
; you only set MVC's DependencyResolver
. 你只设置了MVC的DependencyResolver
。
Add the following line: 添加以下行:
GlobalConfiguration.Configuration.DependencyResolver =
new AutofacWebApiDependencyResolver(container);
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