在swift中,单例模式与定义的全局变量有什么区别

发布网友发布时间：2022-04-07 22:47
共2个回答
懂视网时间：2022-04-08 03:08
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Swift中利用单例管理FMDB数据库
标签：
热心网友时间：2022-04-08 00:16
单例模式是一种开发模式，就是实例化一次，每次调用不用再重新创建
全局变量只是以变量的一种
两种在内存中存储的位置不一样