Japanese localization of error messages (rails)

rails-i18n(Gem) A Gem that can handle Japanese.

locale file

A file required to translate all error messages into Japanese, and a file that can be used in various languages. By creating a file for Japanese localization in this, you can translate English into Japanese.

Implementation method

① Japanese language setting

config/application.rb



require_relative 'boot'

require 'rails/all'

Bundler.require(*Rails.groups)

module Asakatu5757
  class Application < Rails::Application
    config.load_defaults 6.0
    config.i18n.default_locale = :ja

    config.time_zone = 'Tokyo'
  end
end

The description added this time is "** config.i18n.default_locale =: ja **", and it can be made into the standard language Japanese.

② Introduction of rails-i18n

Gemfile


gem 'rails-i18n'

Terminal


% bundle install

③ Create a file for Japanese localization in locales and edit it.

Example) When the nickname column of the User model is translated into Japanese.

config/locales/ja.yml


ja:
 activerecord:
   attributes:
     user:
       nickname:nickname

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