【新增】学生选择题答案文件重复判断

exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml

@@ -11,5 +11,9 @@
     <select id="findByStuIdAndPaperId" resultType="pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO">
         SELECT * FROM exam_stu_paper_fileurl WHERE stu_id = #{stuId} AND paper_id = #{paperId}
     </select>
+    <select id="findOneByStuIdAndPaperId"
+            resultType="pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO">
+        SELECT * FROM exam_stu_paper_fileurl WHERE stu_id = #{stuId} AND paper_id = #{paperId} and  type =#{type}
+    </select>
 
 </mapper>