lib/kaminari_patch.rb

_paginator.html.haml

= paginator.render do
  %div
    = prev_page_tag
    = (current_page.to_i - 1) * per_page + 1
    \-
    = [current_page.to_i * per_page, total_count].min
    \/
    = total_count
    件
    = next_page_tag

gistfile1.rb

module Kaminari
  module ActionViewExtension
    def paginate(scope, options = {}, &block)
      paginator = Kaminari::Helpers::Paginator.new self, options.reverse_merge(:current_page => scope.current_page, :num_pages => scope.num_pages, :per_page => scope.limit_value, :param_name => Kaminari.config.param_name, :remote => false, :total_count => scope.total_count)
      paginator.to_s
    end
  end
end

Thanks for this!