4S/target/classes/mapper/EngHoistBaseMapper.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.zhgd.scs.mapper.EngHoistBaseMapper">

    <select id="getInfoById" resultType="com.zhgd.scs.domain.vo.EngHoistBaseVo">
        select ehb.*,
               ehd.id_card_no,
               ehd.driver_name,
               ehd.unit_name,
               ehd.department_name,
               ehd.worker_type_name
        from eng_hoist_base ehb
                 left join eng_hoist_driver ehd on ehb.device_sn = ehd.device_sn
        where ehb.id = #{id}
    </select>
</mapper>