json.course_is_end @course.is_end # true表示已结束，false表示未结束
json.extract! @poll, :id,:polls_name,:polls_description,:polls_status,:show_result

json.user_permission do
  json.is_teacher_or @is_teacher_or
  json.current_status @user_poll_answer
  json.poll_publish_count @poll_publish_count  #是否存在已发布的分班
  json.poll_unpublish_count @poll_unpublish_count #是否存在未发布的分班
  json.left_banner_id @left_banner_id
  json.left_banner_name @left_banner_name
end

poll_url_status = poll_common_header(@is_teacher_or,@poll)
json.common_tabs do
  json.array! poll_url_status do |p|
    json.common_tab p[:common_tab].to_i
    json.active_status p[:active_status]
  end
end