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Published 20 hours ago • verified publisher icon toly1994328

+ 0020 Dart如何私有化构造函数/ ClassName._()是什么意思。

Open toly1994328 opened this issue 3 years ago • 0 comments

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私有化构造函数通过ClassName._()来实现，这样外部无法通过个构造函数来创建类对象，通常用于单例模式。

toly1994328 avatar Aug 16 '20 02:08 toly1994328