摘要:
Attach additional responsibilities to an object dynamically.Decorators provide a flexible alternative to subclassing for extending functionality. 动态地给一个对象增加一些额外的职责。就增加功 能而言,Decorator模式比生成子类更为灵活。 ——《... 阅读全文
posted @ 2007-08-01 10:07
许晓光
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