ruby-on-rails - 如何从 Rails Controller 操作发出 404 响应？

Question

从 Rails Controller 操作发出 404 响应的首选方式是什么？

Answer 1

这看起来不错...

# Rails 2 and below
render :file => "#{RAILS_ROOT}/public/404.html",  :status => 404

# Rails 3 and up
render :file => "#{Rails.root}/public/404.html",  :status => 404