mybatis一次执行多条SQL语句，例如update节点

jdbc添加   allowMultiQueries=true

jdbc.jdbcUrl=jdbc:mysql://127.0.0.1:3306/database?useUnicode=true&characterEncoding=utf8&allowMultiQueries=true

<update id="updateState">
update td_examinfo set exam_state=2 where now() > exam_examStartTime and exam_examEndTime > now();
update td_examinfo set exam_state=3 where now() > exam_examEndTime
</update>