huimv.farm.datacenter.egg/huimv-farm-datacenter-egg/huimv-farm-environ/target/classes/config/com.huimv.environ.eco.mapper/SysHumidityMapper.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.huimv.environ.eco.mapper.SysHumidityMapper">


    <select id="listDay" resultType="com.huimv.environ.eco.entity.dto.SysHumidityVo">
           SELECT id,ROUND(AVG(`value`),2) `value`, create_time ,room_id ,hum_id,farm_id FROM  `sys_humidity`
      ${ew.customSqlSegment}

       GROUP BY DATE_FORMAT( `create_time`, '%m-%d' )
    </select>
</mapper>