添加试卷评阅页面的答案内容

app/views/exercise_questions/_exercise_questions.json.jbuilder

@@ -36,6 +36,14 @@ if question.question_type <= 2  #当为选择题或判断题时，只显示选
 
   if exercise_type == 1 || exercise_type == 4   #1为老师，4为试卷截止且答案公开的情况
     json.standard_answer standard_answers_array
+    if question.question_type == 2   #返回答案的文字
+      standard_text = standard_answers_array.first.to_i == 1 ? "正确" : "错误"
+    else
+      array_text_answer = []
+      standard_answers_array.each{|a| array_text_answer.push((a+65).chr)}
+      standard_text = array_text_answer.join("")
+    end
+    json.standard_answer_show  standard_text
   end
   if exercise_type == 3 || exercise_type == 4
     json.user_answer user_answer