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请教一下,什样将composer的嵌入到系统中实现单例 #113

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gmplato opened this issue Aug 7, 2020 · 2 comments
Open

请教一下,什样将composer的嵌入到系统中实现单例 #113

gmplato opened this issue Aug 7, 2020 · 2 comments

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@gmplato
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gmplato commented Aug 7, 2020

老师，我想将composer的类库实现为单例，像DAO一样，有什么思路实现？
@gmplato
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gmplato commented Aug 7, 2020

尝试过参考DAO模仿了一下，但不不成功。

@billge1205
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单例比较简单的实现方式就是建一个 静态对象(static)
然后通过一个function来判断该静态对象是否已经存在，如果已经存在则直接返回该对象，否者新建后返回

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@billge1205 @gmplato