Ajax

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resources_helper.rb：源码内容

							module Admin::ResourcesHelper
  def show_thumbnail(image)
    image.create_thumbnail unless File.exists? "#{RAILS_ROOT}/public/files/thumb_#{image.filename}"
      
    "<img class='tumb' src='#{this_blog.base_url}/files/thumb_#{image.filename}' alt='#{this_blog.base_url}/files/#{image.filename}' />"  
  end
    
end

						