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一、Reading: My father is a teacher. He works during the day. My mother is a nurse. She works at night. They only see each other on the weekends. My bro 阅读全文
posted @ 2020-07-16 18:08
i-nine
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一、阅读 My name is Robert. My friends call me Bob. I am twenty years old. I am Chinese. I come from Beijing. There are six people in my family. I have on 阅读全文
posted @ 2020-07-16 17:53
i-nine
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一、概述 装饰器模式又名包装(Wrapper)模式,顾名思义,就是动态地给一个对象添加一些额外的职责,使用时把所需的功能按正确的顺序串联起来进行控制。就增加功能来说,装饰模式比生成子类更为灵活,就是继承关系的一种替代方案。装饰器模式可以在不是用创造更多子类的情况下,将对象的功能加以拓展。换言之,客户 阅读全文
posted @ 2020-07-16 15:46
i-nine
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