...tic int ERROR = 3; protected int level; //next element in chain or responsibility protected AbstractLogger nextLogger; public void setNextLogger(AbstractLogger nextLogger){ thi...
责任链模式 一. 责任链模式 1.1 定义 在责任链模式中,许多对象由每个对象及其对下家的引用而连接起来形成一条链.请求在这个链上传递,知道其中的某一个对象决定处理此请求. 1.2 角色 抽象处理者角色(Handler). 具体处...
...下单一职责原则的基本概念: Every module or class should have responsibility over a single part of the functionality provided by the software, and that responsibility should be entirely encapsulated by the class...
...目提到的桥接模式。 版本4的缺点 从单一职责原理(Single Responsibility)来衡量版本4,createMask函数里实际包含了两种不同类型的逻辑: 1. 创建mask div 2. 使该mask div 单例化 我们下面使用桥接模式将这两种逻辑分开,来实现最终版...
... Separation Of Concerns 关注分离Every class should have a single responsibility, and that responsibility should be entirely encapsulated by the class. 每个类都应该只有单一的职责,并且职责里所有的东西都应该由这个类封装 接下来我们定义一个接口...
...; padding: 30px; border-radius: 4px; } 深入阅读: The single responsibility principle applied to CSS Single Responsibility.
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