设计模式(2): 观察者模式-1
摘要：
先看看维基定义： The observer pattern is a softeware desugn pattern in which an object, called the subject, maintains a list of its dependents, called observe 阅读全文
posted @ 2017-09-11 01:31 张居斜 阅读(179) 评论(0) 推荐(0) 编辑
