结构型模式 适配器模式
摘要：
Adapter Definition Convert the interface of a class into another interface clients expect. Adapter lets classes work together that couldn't otherwise because ... 阅读全文
结构型模式 代理模式
摘要：
Definition Provide a surrogate or placeholder for another object to control access to it. UML class diagram Participants ... 阅读全文
结构型模式 享元模式
摘要：
Definition Use sharing to support large numbers of fine-grained objects efficiently. UML class diagram Participants ... 阅读全文
结构型模式 外观模式
摘要：
Definition Provide a unified interface to a set of interfaces in a subsystem. Façade defines a higher-level interface that makes the subsystem easier to use. ... 阅读全文
行为型模式一 命令模式
摘要：
Definition Encapsulate a request as an object, thereby letting you parameterize clients with different requests, queue or log requests, and support undoable o... 阅读全文
行为型模式 Observer观察者模式
摘要：
Definition Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. ... 阅读全文
行为型 Iterator模式（迭代）
摘要：
Definition Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation. UML class ... 阅读全文