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get "tags/:post(/*path)" => "tags#index", format: false
#1 楼 @Saito 问题已解决,match '/tags/*id' => 'tags#show' ,:format=>false
thank you
#3 楼 @Rei hash rocket 写起来好长啊。
好吧,其实我是倾向于用 1.9 的 : 的。