*Decorator 常被翻译成"装饰"，我觉得翻译成"油漆工"更形象点，油漆工(decorator)是用来刷油漆的，那么被刷油漆的对象我们称decoratee.这两种实体在Decorator 模式中是必须的。-* Decorator is often translated as decorative , I think that translated into painter more image points, painte