删除重复

sstudy/src/main/resources/mapper/paper/PaperFileMapper.xml

         FROM t_paper_file WHERE paperid=#{paperid} ORDER BY fileorder asc
     </select>
 
-    <!-- 根据作业id获取作业附件 -->
-    <select id="listObjsByPaperid" resultType="com.xhkjedu.sstudy.model.paper.TPaperFile">
-        SELECT pfid,paperid,filepath,sourcepath,fileclass,fileorder,createtime
-        FROM t_paper_file WHERE paperid=#{paperid} ORDER BY fileorder asc
-    </select>
 </mapper>