meidu2021/daju/resources/mapper.daju/TBArchivesPatrolPointMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.daju.mix.dao.mapper.TBArchivesPatrolPointMapper">


    <resultMap type="com.daju.mix.dao.entity.TBArchivesPatrolPoint" id="TBArchivesPatrolPointMap"/>

    <!-- 随机一条数据-->
    <select id="selectRecent" resultMap="TBArchivesPatrolPointMap">
        select * from t_b_archives_patrol_point order by rand( ) limit 1
    </select>

    <select id="selectId" resultType="String">
        SELECT
            id
        from t_b_archives_patrol_point
        where id=(select max(id) from t_b_archives_patrol_point)
    </select>
</mapper>