ruby-on-rails - ruby rails : Downloading files with multiple dots in filename (uploaded using Carrierwave)

Question

View :

<%= link_to File.basename(attachment.attachment.url), "/uploads/#{attachment.id}/#{File.basename(attachment.attachment.url)}" %>

Controller :

# ...
  def download
    path = "#{Rails.root}/uploads/"+ params[:id] + "/"+ params[:basename] +"."+ params[:extension]

    send_file path, :x_sendfile=>true
  end
# ...

路线:

match "/uploads/:id/:basename.:extension", :controller => "attachments", :action => "download", :conditions => { :method => :get }

得到的错误是:

Routing Error

No route matches [GET] "/uploads/38/Screen_shot_2012-02-18_at_2.20.49_PM.png"

Answer 1

match "/uploads/:id/:filename.:extension", :controller => "attachments", :action => "download", :constraints => { :filename => /[^\/]+/ },  :conditions => { :method => :get }

感谢 forker，我被引导到这个博客:http://coding-journal.com/rails-3-routing-parameters-with-dots/