本文探讨了before_filter在Ruby on Rails中的使用技巧，特别是在传递参数到预执行操作时的灵活性。作者通过示例展示了如何利用这一特性，并指出这种方式下授权方法必须为公开可见。
I've just noticed that before_filter can absorb a block in order to
pass parameters to pre-executed actions. Here's an example:
[code]before_filter{|c| c.authorized(1)} [/code]
However, in such case, action authorized must be public, while in the tradtional way,
[code]before_filter :authorized[/code]
the action can be in any visibility. I wonder why...
pass parameters to pre-executed actions. Here's an example:
[code]before_filter{|c| c.authorized(1)} [/code]
However, in such case, action authorized must be public, while in the tradtional way,
[code]before_filter :authorized[/code]
the action can be in any visibility. I wonder why...
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