[源代码].NET学架构之业务逻辑层常用设计模式及原则

☆☆资源说明：☆☆☆常用设计模式☆FactoryPattern;DecoratorPattern;TemplateMethodPattern;StatePattern;StrategyPattern;SpecificationPattern;LayerSuperTypePattern;☆常用设计原则☆DependencyInjectionPrinciple;InterfaceSegregationPrinciple;LiskovSubstiutionPrinciple;