参数值应为“id”=> “google.com”
match 'some_action/:id' => 'controller#action',:constraints => { :id => /[0-z\.]+/ }
在铁路2.3:
map.connect 'some_action/:id',:controller => 'controller',:action => 'action',:requirements => { :id => /[0-z\.]+/ }
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