摘要: 一、基本概念 单例模式(Singleton Pattern)是一个比较简单的模式,其定义如下:Ensure a class has only one instance, and provide a global point of access to it.(确... 阅读全文
posted @ 2020-06-04 11:35 ${简简单单} 阅读(32) 评论(0) 推荐(0) 编辑