经典的IoC/DI容器--StructureMap
16lz
2021-01-22
StructureMap是一款很老的IoC/DI容器，从2004年.NET 1.1支持至今。
一个使用例子
//创建业务接口 public interface IDispatchService { } public interface ICourier { } public interface IPaymentGateway { } public interface IPaymentMerchant { } //接口的实现 public class DispacthService : IDispatchService { private ICourier _courier; public DispacthService(ICourier courier) { _courier = courier; } public override string ToString() { return _courier.ToString(); } } public class FedExCourier : ICourier { } public class StreamLinePaymentMerchant : IPaymentMerchant { } public class PaymentGateway : IPaymentGateway { private IPaymentMerchant _paymentMerchant; public PaymentGateway(IPaymentMerchant paymentMerchant) { _paymentMerchant = paymentMerchant; } public override string ToString() { return _paymentMerchant.ToString(); } } //业务使用 public class OrderService { private IPaymentGateway _paymentGateway; private IDispatchService _dispacthService; public OrderService(IPaymentGateway paymentGateway, IDispatchService dispacthService) { _paymentGateway = paymentGateway; _dispacthService = dispacthService; } public override string ToString() { return string.Format("IPaymentGateway:{0} IDispatchService:{1}", _paymentGateway.ToString(), _dispacthService.ToString()); } } //配置依赖关系 public class BootStrapper { public static void ConfigureStructureMap() { ObjectFactory.Initialize(x => x.AddRegistry<ModelRegistry>()); } } public class ModelRegistry : Registry { public ModelRegistry() { For<IPaymentGateway>().Use<PaymentGateway>(); For<IPaymentMerchant>().Use<StreamLinePaymentMerchant>(); For<IDispatchService>().Use<DispacthService>(); For<ICourier>().Use<FedExCourier>(); } } class Program { static void Main(string[] args) { BootStrapper.ConfigureStructureMap();//启用配置 OrderService orderService = ObjectFactory.GetInstance<OrderService>(); Console.WriteLine(orderService.ToString()); IPaymentGateway paymentGateway= ObjectFactory.GetInstance<PaymentGateway>(); Console.WriteLine(paymentGateway); Console.ReadKey(); } }
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