Ruby on rails 在rails 3中充当树_Ruby On Rails_Acts As Tree

Ruby on rails 在rails 3中充当树

ruby-on-rails

Ruby on rails 在rails 3中充当树,ruby-on-rails,acts-as-tree,Ruby On Rails,Acts As Tree,我在rails 3的类固醇上遇到了问题。在Rails3中是否有任何插件可以像树一样提供帮助 app/controllers/question\u attributes\u controller.rb:9:in'index' Rendered/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.3/lib/action\u dispatch/middleware/templates/rescues//u trace.erb（0.8ms） Rende

我在rails 3的类固醇上遇到了问题。在Rails3中是否有任何插件可以像树一样提供帮助

app/controllers/question\u attributes\u controller.rb:9:in'index'

Rendered/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.3/lib/action\u dispatch/middleware/templates/rescues//u trace.erb（0.8ms） Rendered/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.3/lib/action\u dispatch/middleware/templates/rescues//u request\u and_response.erb（6.5ms） rescues/layout中呈现的/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.3/lib/action\u dispatch/middleware/templates/rescues/diagnostics.erb 对于a.子体

使用此选项