concept Software entities (classes, modules, functions) should be open for extension bu...
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IP属地：内蒙古
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2， 开闭原则(Open Closed Principle)
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1，单一职责原则(Single Responsibility Principle)
concept There should never be more than one reason for a class to change.引起一个类发生变化的原因有且...
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设计原则
单一职责(Single Responsibility Principle) 每个方法，每个类，每个框架，都只负责一件事情 (There should never be mor...