bms-java/src/main/resources/mapper/DeviceDynamicMapping.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.zy.bms.mapper.DeviceDynamicMapper">

    <select id="getListByUserId" resultType="com.zy.bms.common.vo.DeviceRelationVo">
        SELECT t1.isDefault,
               t2.num,
               t2.name,
               t2.clientId AS deviceId
        FROM device_dynamic t1
                 INNER JOIN zy_device t2 ON t1.deviceNum = t2.num
        WHERE t1.userId = #{userId}
        ORDER BY t1.isDefault DESC
    </select>

    <select id="checkDeviceIsBind" resultType="java.lang.Integer">
        SELECT IFNULL( (SELECT 1 FROM device_dynamic WHERE deviceNum = #{deviceNum} LIMIT 1) ,0)
    </select>

    <select id="checkBelong" resultType="java.lang.Integer">
        SELECT IFNULL((SELECT 1 FROM device_dynamic WHERE deviceId = #{deviceId} AND userId = #{userId} LIMIT 1), 0)
    </select>
</mapper>