controller_name classify constantize model_name

控制器

class CourseSurveysController < ResourcesBaseController

end

controller_name 　　# "course_surveys"
controller_name.singularize　　# "course_survey"
controller_name.singularize.classify　　# "CourseSurvey"

'Module'.constantize　　　　 # => Module(没"",不是字符串)
'Test::Unit'.constantize 　　　# => Test::Unit（没"",不是字符串）

class Person < ActiveModel::Model
end

Person.model_name          # => Person
Person.model_name.class    # => ActiveModel::Name
Person.model_name.singular # => "person"
Person.model_name.plural   # => "people"