Supports multilingualization with Rails!

gem 'rails-i18n'

bundle

    config.i18n.load_path += Dir[Rails.root.join('config', 'locales', '**', '*.{rb,yml}').to_s]

    #Corresponding language. This time in Japanese(ja)And english(en)Only
    config.i18n.available_locales = %i(ja en)

    #If a language other than the above supported languages is specified, set whether to make an error
    config.i18n.enforce_available_locales = true

    #Default language
    config.i18n.default_locale = :ja

    before_action :set_locale

    def set_locale
        I18n.locale = locale
    end

    def locale
        @locale ||= params[:locale] ||= I18n.default_locale
    end

    def default_url_options(options={})
        options.merge(locale: locale)
    end

  scope '(:locale)', locale: /#{I18n.available_locales.map(&:to_s).join('|')}/ do
    root "posts#index"
    resources :posts
  end

<%= t(:hello) %>

  ja:
    hello:Hello
      #All models start from activerecord.
      #This will allow User.model_name.human / User.human_attribute_name({attr_name})Can be accessed with.
    activerecord:
      models:
        user: 'User information'
      attributes:
        user:
          name: 'name'
          mail: 'mail address'
          url:  'Web page'

  en:
     hello: "hello"
    #All models start from activerecord.
      #This will allow User.model_name.human / User.human_attribute_name({attr_name})Can be accessed with.
    activerecord:
      models:
        user: 'User'
      attributes:
        user:
          name: 'Name'
          mail: 'Email'
          url:  'URL'

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