klp-oa/klp-ems/src/main/resources/mapper/EmsEnergyConsumptionMapper.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.klp.ems.mapper.EmsEnergyConsumptionMapper">

    <resultMap type="com.klp.ems.domain.EmsEnergyConsumption" id="EmsEnergyConsumptionResult">
        <result property="energyConsumptionId" column="energy_consumption_id"/>
        <result property="meterId" column="meter_id"/>
        <result property="startReading" column="start_reading"/>
        <result property="endReading" column="end_reading"/>
        <result property="consumption" column="consumption"/>
        <result property="startTime" column="start_time"/>
        <result property="endTime" column="end_time"/>
        <result property="recordedBy" column="recorded_by"/>
        <result property="createBy" column="create_by"/>
        <result property="updateBy" column="update_by"/>
        <result property="createTime" column="create_time"/>
        <result property="updateTime" column="update_time"/>
        <result property="delFlag" column="del_flag"/>
        <result property="remark" column="remark"/>
    </resultMap>

    <select id="selectDailySummary" resultType="com.klp.ems.domain.vo.SummaryDailyVo">
        SELECT
            DATE(end_time) AS day,
            SUM(consumption) AS totalConsumption
        FROM
            ems_energy_consumption
        WHERE
            DATE(end_time) BETWEEN #{startDate} AND #{endDate}
        GROUP BY
            DATE(end_time)
        ORDER BY
            day
    </select>
    <select id="selectMonthlySummary" resultType="com.klp.ems.domain.vo.SummaryMonthlyVo">
        SELECT
            DATE_FORMAT(end_time, '%Y-%m') AS month,
            SUM(consumption) AS totalConsumption
        FROM
            ems_energy_consumption
        WHERE
            DATE_FORMAT(end_time, '%Y') = #{year}
        GROUP BY
            DATE_FORMAT(end_time, '%Y-%m')
        ORDER BY
            month
    </select>

</mapper>