4S/target/classes/mapper/TraceHelmetDeviceHistoryMapper.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.TraceHelmetDeviceHistoryMapper">

    <select id="getList" resultType="com.zhgd.scs.domain.vo.TraceHelmetDeviceHistoryVo">
        SELECT thdh.*, lp.name personName, lu.abbr_name unitName
        FROM trace_helmet_device_history thdh
                 LEFT JOIN labor_person lp ON thdh.person_id = lp.id
                 LEFT JOIN labor_unit lu ON lp.unit_id = lu.id
        WHERE thdh.device_code = #{code}
        ORDER BY receive_time DESC
    </select>
</mapper>