ruby-on-rails – i18n：t方法不起作用

事实上,“t”方法不起作用,只有“i18n.t”有效.

所以,例如：

t(:login)
=> login

代替：

i18n.t(:login)
=> Provide the necessary login info

你能帮我搞清楚我做错了什么吗？

谢谢,
奥古斯托

UPDATE

我用pry来显示t帮助器的来源并得到了这个：

来自：/Users/phishman/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.2.2/lib/action_view/helpers/translation_helper.rb @第46行：
行数：16
所有者：ActionView :: Helpers :: TranslationHelper
可见性：公开

def translate(key,options = {})
      options.merge!(:rescue_format => :html) unless options.key?(:rescue_format)
      if html_safe_translation_key?(key)
        html_safe_options = options.dup
        options.except(*I18n::RESERVED_KEYS).each do |name,value|
          unless name == :count && value.is_a?(Numeric)
            html_safe_options[name] = ERB::Util.html_escape(value.to_s)
          end
        end
        translation = I18n.translate(scope_key_by_partial(key),html_safe_options)

        translation.respond_to?(:html_safe) ? translation.html_safe : translation
      else
        I18n.translate(scope_key_by_partial(key),options)
      end
    end

3] pry(main)> show-source helper.t

From: /Users/phishman/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.2.2/lib/action_view/helpers/translation_helper.rb @ line 46:
Number of lines: 16
Owner: ActionView::Helpers::TranslationHelper
Visibility: public

def translate(key,options = {})
  options.merge!(:rescue_format => :html) unless options.key?(:rescue_format)
  if html_safe_translation_key?(key)
    html_safe_options = options.dup
    options.except(*I18n::RESERVED_KEYS).each do |name,value|
      unless name == :count && value.is_a?(Numeric)
        html_safe_options[name] = ERB::Util.html_escape(value.to_s)
      end
    end
    translation = I18n.translate(scope_key_by_partial(key),html_safe_options)

    translation.respond_to?(:html_safe) ? translation.html_safe : translation
  else
    I18n.translate(scope_key_by_partial(key),options)
  end
end