multi-system/src/main/resources/mapper/system/ExPaperStudentMapper.xml
@@ -107,6 +107,9 @@ #{item} </foreach> </update> <delete id="deleteByPaperStudentId"> delete from ex_paper_student where paper_id =#{paperId} and student_id = #{studentId} </delete> <select id="countByPaperId" resultType="java.lang.Integer"> select count(1) from ex_paper_student where paper_id=#{paperId}