Rails国际化 #

# config/application.rb
config.i18n.default_locale = :zh

# config/locales/zh.yml
zh:
  hello: "你好"
  articles:
    title: "文章标题"

<%= t('hello') %>
<%= t('articles.title') %>

I18n.t('hello')

zh:
  date:
    formats:
      default: "%Y-%m-%d"
      long: "%Y年%m月%d日"

<%= l Date.today, format: :long %>