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在 Helper，Models 和 Controller 里都用 def，它们的区别是什么？ #81

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yzha3917 opened this issue Oct 24, 2016 · 1 comment

yzha3917 commented Oct 24, 2016

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liangchaob commented Oct 24, 2016

没有区别，def的意思是define的简写，『def a』意思是说『定义一个名字为a的函数』

但是作用域不同，比如每个controller下每def一个函数，这个函数只针对该controller，不同之间的controller下的相同的def就类似于『三里屯梁朝伟和香港梁朝伟』

helper中所有def出来的目前实测发现貌似是全局都有效的，也就是在哪都能直接用

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