Open fadfadfafsfasd opened 4 years ago
https://purethought.cn/5515.html
23种设计模式(一)单例模式 Ensure a class has only one instance, and provide a global point of access to it.确保某一个类只有一个实例,而且自行实例化并向整个
https://purethought.cn/5515.html
23种设计模式(一)单例模式 Ensure a class has only one instance, and provide a global point of access to it.确保某一个类只有一个实例,而且自行实例化并向整个