taphole/taphole-l2/src/main/resources/mapper/TL2DataMapper.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.sckj.l2.mapper.TL2DataMapper">




    <select id="getTrendDataByDiffDay" resultType="com.sckj.l2.dto.TL2DataDTO">
        select
        create_time createTime,
        avg_temp avgTemp,
        iron_weight ironWeight,
        ROUND((iron_weight/iron_costtime),2) ironSpeed,
        element_c elementC,
        element_si elementSi,
        element_mn elementMn,
        element_ti elementTi,
        element_p elementP,
        element_s elementS
        from t_l2_data
        <where>
            <if test="diffDay == -1">
                create_time BETWEEN CURDATE() - INTERVAL 1 DAY AND CURDATE()
            </if>
            <if test="diffDay == 0">
                create_time BETWEEN CURDATE() AND NOW()
            </if>
        </where>
        order by create_time asc
    </select>

    <select id="getTrendDataByDiffDays" resultType="com.sckj.l2.dto.TL2DataDTO">
        SELECT
            DATE(create_time) createTime,
            ROUND(AVG(avg_temp),0) avgTemp,
            ROUND(AVG(iron_weight),2) ironWeight,
            ROUND(AVG(iron_weight/iron_costtime),2) ironSpeed,
            ROUND(AVG(element_c),4) elementC,
            ROUND(AVG(element_si),4) elementSi,
            ROUND(AVG(element_mn),4) elementMn,
            ROUND(AVG(element_ti),4) elementTi,
            ROUND(AVG(element_p),4) elementP,
            ROUND(AVG(element_s),4) elementS
        FROM
            t_l2_data
        WHERE
            create_time BETWEEN CURDATE() - INTERVAL (#{diffDays}-1) DAY AND NOW()
        GROUP BY DATE(create_time)
        order by create_time asc
    </select>


</mapper>