“But now you know there was a man named Jack Dawson and that he saved me...in every way...
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“But now you know there was a man named Jack Dawson and that he saved me...in every way...
0x01 前言 在编码的时候，我们为了扩展一个类常用的方法就是继承，随着扩展功能越来越多，子类会变得越来越膨胀，使系统变得不灵活。 装饰器模式（Decorator patte...
