处理铁路中不明确的路线

编辑 : 动态服务的新答案

看看这个 blog entry 似乎可以在路由中使用ActiveRecords。

service_names = Service.all.map(&:short_name) # assuming the property 'short_name' is the value used in urls  
service_names.each do |service_name|
  map.connect ':state/:city/#{service_name}/:company' :controller => ‘company’, :action => ‘show’   # to show the company's page
  map.connect ':state/:city/:neighborhood/#{service_name}_finder' :controller => ‘company_finder’, :action => ‘find’ # to list the companies for the given service in a neighborhood
end

这仍然可以防止冲突,因为某个服务的路由在某个邻居的路由之前

老掉牙的回答

你不能用下面两条路吗?

map.connect ':state/:city/cleaners/:cleaner' :controller => ‘cleaners’, :action => ‘show’   # to show the cleaner's page
map.connect ':state/:city/:neighborhood/cleaners' :controller => ‘cleaner_finder’, :action => ‘find’ # to list the cleaners of a neighborhood

在控制器中,应该能够使用params[:state]、params[:city]等检索:state、:city和others值。

把:state/:city/cleaners/:cleaner放在第一行应该可以避免歧义。