update getQuestionAnswer..

examcloud-core-questions-service/src/main/java/cn/com/qmth/examcloud/core/questions/service/impl/QuesServiceImpl.java

@@ -13,6 +13,7 @@ import cn.com.qmth.examcloud.core.questions.service.PaperService;
 import cn.com.qmth.examcloud.core.questions.service.QuesService;
 import cn.com.qmth.examcloud.core.questions.service.QuestionAudioService;
 import cn.com.qmth.examcloud.core.questions.service.bean.QuestionAnswerBean;
+import cn.com.qmth.examcloud.core.questions.service.bean.QuestionAnswerConvert;
 import org.apache.commons.lang3.StringUtils;
 import org.bson.types.ObjectId;
 import org.docx4j.XmlUtils;
@@ -738,16 +739,24 @@ public class QuesServiceImpl implements QuesService {
         }
 
         Question question = optional.get();
-
         QuestionAnswerBean bean = new QuestionAnswerBean();
         List<String> answers = new ArrayList<>();
+
         if (QuesStructType.NESTED_ANSWER_QUESTION == question.getQuestionType()) {
             List<Question> subQuestions = question.getSubQuestions();
             for (Question subQuestion : subQuestions) {
-                answers.add(subQuestion.getQuesAnswer() != null ? subQuestion.getQuesAnswer() : "");
+                if (QuesStructType.SINGLE_ANSWER_QUESTION == subQuestion.getQuestionType() || QuesStructType.MULTIPLE_ANSWER_QUESTION == subQuestion.getQuestionType()) {
+                    answers.add(StringUtils.join(QuestionAnswerConvert.parseQuestionOptionAnswerList(subQuestion.getQuesOptions()), ""));
+                } else {
+                    answers.add(StringUtils.join(QuestionAnswerConvert.parseQuestionAnswerList(subQuestion), ""));
+                }
             }
         } else {
-            answers.add(question.getQuesAnswer() != null ? question.getQuesAnswer() : "");
+            if (QuesStructType.SINGLE_ANSWER_QUESTION == question.getQuestionType() || QuesStructType.MULTIPLE_ANSWER_QUESTION == question.getQuestionType()) {
+                answers.add(StringUtils.join(QuestionAnswerConvert.parseQuestionOptionAnswerList(question.getQuesOptions()), ""));
+            } else {
+                answers.add(StringUtils.join(QuestionAnswerConvert.parseQuestionAnswerList(question), ""));
+            }
         }
 
         bean.setRightAnswers(answers);