如果动态意思是“认识我的行为时,Rails的启动和动态生成路线”:
这不是我会做,但它做什么你希望它没有任何做重定向也不method_missing的运行时开销。
在config/routes.rb
controller_filenames = Dir.new("#{Rails.root}/app/controllers").entries
controller_filenames.each do |filename|
# you could restrict to only the pages_controller.rb on the next line,
# and in that case, you could simplify even more (see next example)...
if filename =~ /_controller\.rb$/
controller_name = filename.sub(/.rb$/, "")
controller_route_name = controller_name.sub(/_controller$/, "")
controller = controller_name.camelize.constantize.new
controller.action_methods.each do |action|
# if you don't want the controller name in your path match, just omit it...
match "#{controller_route_name}/#{action}" => "#{controller_route_name}##{action}", :as => "#{controller_route_name}_#{action}"
end
end
end
如果你只是想为你的pages_controller.rb文件做到这一点,则:现在
controller_name = "pages_controller"
controller_route_name = "pages"
controller = controller_name.camelize.constantize.new
controller.action_methods.each do |action|
# I've removed the controller_route_name from the match here...
match "#{action}" => "#{controller_route_name}##{action}", :as => "#{controller_route_name}_#{action}"
end
,如果动态意味着“生成的路线,每当我动态生成新的动作”:
你可以重新盟友玩火。任何现有的操作都可以定义新的操作和路线。例如,我可以定义在config/routes.rb
路线(但是这可能是任何现有路线):
match '/dynamic_define' => 'application#dynamic_define'
夫妇,与在ApplicationController
的方法(同样,这可能是任何现有的动作):
def dynamic_define
method_name = params[:mname]
self.class.send(:define_method, method_name) {
render :text => "output from #{method_name}"
}
Rails.application.routes.disable_clear_and_finalize = true
Rails.application.routes.draw do
match "/#{method_name}" => "application##{method_name}", :as => "application_#{method_name}"
end
render :text => "dynamic_define just created a new action named #{method_name}"
end
在浏览器中,您可以访问:
/dynamic_define?mname=my_new_dynamic_action
# browser renders "dynamic_define just created a new action named my_new_dynamic_action"
然后访问:
/my_new_dynamic_action
# browser renders "output from my_new_dynamic_action"
首先,谢谢你的回答。尽管如此,我正在寻找动态命名的路径,所以我可以通过'foobar_path'来访问它们,而不是明确指定操作。我知道我可以用个人路径的':as'选项来做到这一点。任何方式来动态地做到这一点?谢谢! – 2012-05-06 02:40:45
为什么你想要动态加载路径?你知道他们是基于你的路由器配置的助手吗?我不认为铁路路由器是动态的... – thiagofm 2012-05-09 01:09:36