2010年6月29日
设计模式（2）-----观察者模式
定义：The Observer Pattern defines a one-to-many dependency between objects so that when one object changes state, all of its dependents are notified and updated automatically. (观察者模式定义了对象间的一种一对多依赖关系，使得每... Read More
posted @ 2010-06-29 11:28 gistone Views(236) Comments(0) Diggs(0)