[英]Dependency Injection for Generic Repository
what is the way to register a Generic class with 3 arguments 用3个参数注册泛型类的方法是什么
public interface ITest<T,V,VE>
{
}
public class TestRespository<T,V,VE>:ITest<T,V,VE>
{
}
i had registered like this 我已经这样注册
services.AddScoped(typeof(ITest<,,>), typeof(ITest<,,>));
but unable to get in Constructor as well as 但是无法进入构造器以及
service.GetService(typeof(ITest<TestClass, vTestClass, VETestClass>)) as ITest<TestClass, vTestClass, VETestClass>;
The problem is with call of AddScoped()
method. 问题在于调用AddScoped()
方法。 You should pass type of implementation in second argument, not the type of interface itself: 您应该在第二个参数中传递实现的类型,而不是接口本身的类型:
services.AddScoped(typeof(ITest<,,>), typeof(TestRespository<,,>));
services.AddScoped(typeof(ITest<,,>), typeof(ITest<,,>));
You need to have implementation
and interface
not interface
twice. 您需要implementation
和interface
不两次interface
。 You are registering interface
as interface
, so it cannot be instantiated
. 您正在将interface
注册为interface
,因此无法instantiated
。
services.AddScoped(typeof(ITest<,,>), typeof(TestRepository<,,>));
Should do the trick. 应该做到的。
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