json.exercise do json.extract! @exercise, :id, :exercise_name,:exercise_description,:exercise_status end json.partial! "exercises/exercise_scores" json.exercise_questions do json.array! @exercise_questions do |q| json.partial! "exercise_questions/exercise_questions", question: q, choices:q.exercise_choices, shixun_challenges: q.exercise_shixun_challenges, exercise_type:2, user_answer:[], ques_position:nil, edit_type:nil end end #exercise_type 表示选择公用的模板类型,1为教师预览/编辑,2为空白试卷。