学生网页端提交作业完善

sstudy/src/main/resources/mapper/paperstudent/PaperStudedntScantronMapper.xml

             </trim>
             <trim prefix="answertime = CASE " suffix="END,">
                 <foreach collection="list" index="index" item="item">
-                    when pssid = #{item.pssid} then #{item.answertime}
+                    when pssid = #{item.pssid} then if(#{item.answertime} is null
+                    or #{item.answertime}=0,answertime,#{item.answertime})
                 </foreach>
             </trim>
             <trim prefix="stuscore = CASE " suffix="END,">
                     when pssid = #{item.pssid} then ifnull(#{item.checktime},checktime)
                 </foreach>
             </trim>
-            <trim prefix="checkcomm = CASE " suffix="END,">
-                <foreach collection="list" index="index" item="item" >
-                    when pssid = #{item.pssid} then #{item.checkcomm}
-                </foreach>
-            </trim>
         </trim>
         where
         <foreach collection="list" item="item" index="index" separator="or">

sstudy/src/main/resources/mapper/paperstudent/PaperStudentMapper.xml

             </trim>
             <trim prefix="answertime = CASE " suffix="END,">
                 <foreach collection="list" index="index" item="item">
-                    when psqid=#{item.psqid} then #{item.answertime}
+                    when psqid=#{item.psqid} then if(#{item.answertime} is null
+                    or #{item.answertime}=0,answertime,#{item.answertime})
                 </foreach>
             </trim>
             <trim prefix="stuscore = CASE " suffix="END,">
                     when psqid=#{item.psqid} then ifnull(#{item.checktime},checktime)
                 </foreach>
             </trim>
-            <trim prefix="checkcomm = CASE " suffix="END,">
-                <foreach collection="list" index="index" item="item" >
-                    when psqid = #{item.psqid} then #{item.checkcomm}
-                </foreach>
-            </trim>
         </trim>
         where
         <foreach collection="list" item="item" index="index" separator="or">