ruby-on-rails - rails : How to get the model class name based on the controller class name?

Question

class HouseBuyersController < ...
  def my_method
    # How could I get here the relevant model name, i.e. "HouseBuyer" ?
  end
end

Answer 1

这样就可以了:

class HouseBuyersController < ApplicationController

  def index
    @model_name = controller_name.classify
  end

end

抽象 Controller 操作时通常需要这样做:

class HouseBuyersController < ApplicationController

  def index
    # Equivalent of @house_buyers = HouseBuyer.find(:all)
    objects = controller_name.classify.constantize.find(:all)
    instance_variable_set("@#{controller_name}", objects)
  end

end