设计模式分类 目的 创建型 结构型 行为型 类 Factory Method Adapter Interpreter Template Method Abstract Factory Adapter Chain of Responsibility Builder Bridge Command 范围 Prototype Composite Iterator Singleton Decorator Mediator 对象 Facade Memento Flyweight Observer Proxy State Strategy Visitor Object Oriented Analysis and Design 7Object Oriented Analysis and Design 7 设计模式分类