NetCore3.0实现自定义IOC容器注入

• Z时代
• 2024-01-10
• 分类：综合

1.获取所有相关业务程序集aaa

publicstatic List<Assembly> GetFrameworkAssemblys()
{
var list = new List<Assembly>();
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;
        }

2.对所有Component组件注册

publicclassInjectContext
    {
privatestatic ContainerBuilder Container;
publicstaticvoidInit()
{
            InjectFrameWork();
        }
publicstaticvoidInjectFrameWork()
{
            Container = new ContainerBuilder();
//获框架取所有程序集
            List<Assembly> assemblies = CloudUtil.GetFrameworkAssemblys();
//注入框架所有Component组件
            Container.RegisterAssemblyTypes(assemblies.ToArray(), typeof(Component), true);
            Container.Build(CotainerEnum.BuidlModel.OverWrite);
        }
publicstaticobjectResolve(Type Type, CotainerEnum.TypeEqual TypeEqual = CotainerEnum.TypeEqual.Ref)
{
return Container.Resolve(Type, TypeEqual);
        }
publicstatic List<Type> GetRegistType(Type @Type)
{
return Container.GetRegistType(@Type);
        }
    }

3.实现自定义Controller工厂

publicclassCloudControllerActivator : IControllerActivator
    {
publicobjectCreate(ControllerContext context)
{
if (context == null)
            {
thrownew ArgumentNullException(nameof(context));
            }
if (context.ActionDescriptor == null)
            {
thrownew ArgumentException(nameof(ControllerContext.ActionDescriptor));
            }
var controllerTypeInfo = context.ActionDescriptor.ControllerTypeInfo;
if (controllerTypeInfo == null)
            {
thrownew ArgumentException(nameof(context.ActionDescriptor.ControllerTypeInfo));
            }
            Type controllerType = controllerTypeInfo.AsType();
return InjectContext.Resolve(controllerType);
        }
publicvoidRelease(ControllerContext context, object controller)
{
if (context == null)
            {
thrownew ArgumentNullException(nameof(context));
            }
if (controller == null)
            {
thrownew ArgumentNullException(nameof(controller));
            }
var disposable = controller as IDisposable;
if (disposable != null)
            {
                disposable.Dispose();
            }
        }
    }

4.修改配置，使用自定义Controller工厂 

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

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