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为什么在groups_controller里可以在redirect_to xxx_path之后直接写", notice: “XXX””就可以出现，但在current_user.join!(@group)之后直接写就不行？ #77

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dyz2102 opened this issue Oct 24, 2016 · 1 comment

dyz2102 commented Oct 24, 2016

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dyz2102 commented Oct 24, 2016

【来自ray16897188】因为redirect_to这是rails里预设的函数，它是可以接受notice: “XXX”这个参数，并且做出相应显示flash的操作的。

而join!这个函数是你自己写的，它只接受一个@group参数，你再传给它notice: “XXX”这个参数，它就直接把这个参数忽略掉了。

可以看一下Ruby语言的函数那一部分

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