NetCore3.0实现自定义IOC容器注入

  public static List GetFrameworkAssemblys()
        {
            var list = new List();
            var deps = DependencyContext.Default;
            var libs = deps.CompileLibraries;
            foreach (var lib in libs)
            {
                if (!lib.Serviceable && lib.Type != "package" && lib.Name.StartsWith("FastCloud"))
                {
                    var assembly = AssemblyLoadContext.Default.LoadFromAssemblyName(new AssemblyName(lib.Name));
                    list.Add(assembly);
                }
            }
            return list;
        }

public class InjectContext
    {
        private static ContainerBuilder Container;
        public static void Init()
        {
            InjectFrameWork();
        }

        public static void InjectFrameWork()
        {
            COntainer= new ContainerBuilder();
            //获框架取所有程序集
            List assemblies = CloudUtil.GetFrameworkAssemblys();
            //注入框架所有Component组件
            Container.RegisterAssemblyTypes(assemblies.ToArray(), typeof(Component), true);
            Container.Build(CotainerEnum.BuidlModel.OverWrite);
        }

        public static object Resolve(Type Type, CotainerEnum.TypeEqual TypeEqual = CotainerEnum.TypeEqual.Ref)
        {
            return Container.Resolve(Type, TypeEqual);
        }

        public static List GetRegistType(Type @Type)
        {
            return Container.GetRegistType(@Type);
        }
    }

public class CloudControllerActivator : IControllerActivator
    {
        public object Create(ControllerContext context)
        {
            if (cOntext== null)
            {
                throw new ArgumentNullException(nameof(context));
            }

            if (context.ActiOnDescriptor== null)
            {
                throw new ArgumentException(nameof(ControllerContext.ActionDescriptor));
            }

            var cOntrollerTypeInfo= context.ActionDescriptor.ControllerTypeInfo;

            if (cOntrollerTypeInfo== null)
            {
                throw new ArgumentException(nameof(context.ActionDescriptor.ControllerTypeInfo));
            }

            Type cOntrollerType= controllerTypeInfo.AsType();
            return InjectContext.Resolve(controllerType);
        }

        public void Release(ControllerContext context, object controller)
        {
            if (cOntext== null)
            {
                throw new ArgumentNullException(nameof(context));
            }

            if (cOntroller== null)
            {
                throw new ArgumentNullException(nameof(controller));
            }

            var disposable = controller as IDisposable;
            if (disposable != null)
            {
                disposable.Dispose();
            }

        }
    }

            //替换默认Controller工厂
            var defaultActivator = services.FirstOrDefault(c => c.ServiceType == typeof(IControllerActivator));
            if (defaultActivator != null)
            {
                services.Remove(defaultActivator);
            }
            services.AddSingleton();