select id, teacher_id, class_id, status, remark, out_date from dz_teacher_class and teacher_id = #{teacherId} and class_id = #{classId} and status = #{status} and out_date = #{outDate} where teacher_id in #{teacherId} where id = #{id} insert into dz_teacher_class teacher_id, class_id, status, remark, out_date, #{teacherId}, #{classId}, #{status}, #{remark}, #{outDate}, INSERT INTO dz_teacher_class ( teacher_id, class_id, status, create_time, create_by ) VALUES ( #{item.teacherId}, #{item.classId}, #{item.status}, #{item.createTime}, #{item.createBy} ) update dz_teacher_class teacher_id = #{teacherId}, class_id = #{classId}, status = #{status}, remark = #{remark}, out_date = #{outDate}, where id = #{id} delete from dz_teacher_class where id = #{id} delete from dz_teacher_class where id in #{id}