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有点懵

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#1 Created at ... [Delete] [Delete and Lock User]

如题,不知道 注解有啥用...

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#2 Created at ... [Delete] [Delete and Lock User]

好像有点懂了,,,,

Berton

#3 Created at ... [Delete] [Delete and Lock User]

可以配合反射使用,实现类似配置文件的功能

python装饰器

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#5 Created at ... [Delete] [Delete and Lock User]

注解,和参数,差不多把,就是给别人用的

@求人不如求己  不要误人子弟,Java 注解 和 python装饰器有本质上的区别

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#7 Created at ... [Delete] [Delete and Lock User]

数据 之于 元数据:数据是每一行信息,元数据是描述数据的数据


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