fixbug

app/helpers/exercises_helper.rb

@@ -113,9 +113,15 @@ module ExercisesHelper
       if ex.question_type <= Exercise::JUDGMENT  #选择题和判断题
         standard_answer = ex.exercise_standard_answers.pluck(:exercise_choice_id).sort   #标准答案的位置
         right_users_count = 0  #该问题的回答正确的人数
+
+        #计算每个问题的答案人数
         user_ids.each do |user_id|
-          user_an_choice = effictive_users.where(user_id:user_id).pluck(:exercise_choice_id).sort
-          if user_an_choice == standard_answer
+          user_an_choice = ex_answers.where(user_id:user_id)
+          answer_choice_array = []
+          user_an_choice.each do |a|
+            answer_choice_array.push(a.exercise_choice.choice_position)  #学生答案的位置
+          end
+          if answer_choice_array == standard_answer
             right_users_count += 1
           end
         end