klp-oa/klp-mes/src/main/resources/mapper/roll/MesRollGrindMapper.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.mes.roll.mapper.MesRollGrindMapper">

    <select id="selectByRollId" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
        SELECT grind_id, roll_id, roll_no, grind_time, team,
               dia_before, dia_after, grind_amount, roll_shape,
               flaw_result,
               CASE WHEN hardness = '未倒角' THEN 0 ELSE CAST(hardness AS DECIMAL(10,1)) END AS hardness,
               operator, remark, create_time
        FROM mes_roll_grind
        WHERE del_flag = 0 AND roll_id = #{rollId}
        ORDER BY grind_time ASC, grind_id ASC
    </select>

    <select id="selectList" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
        SELECT grind_id, roll_id, roll_no, grind_time, team,
               dia_before, dia_after, grind_amount, roll_shape,
               flaw_result,
               CASE WHEN hardness = '未倒角' THEN 0 ELSE CAST(hardness AS DECIMAL(10,1)) END AS hardness,
               operator, remark, create_time
        FROM mes_roll_grind
        WHERE del_flag = 0
          <if test="rollId != null">AND roll_id = #{rollId}</if>
          <if test="lineId != null">AND line_id = #{lineId}</if>
          <if test="beginTime != null and beginTime != ''">AND grind_time &gt;= #{beginTime}</if>
          <if test="endTime != null and endTime != ''">AND grind_time &lt;= #{endTime}</if>
        ORDER BY grind_time DESC, grind_id ASC
    </select>

    <select id="selectMonthlyStats" resultType="map">
        SELECT
            DATE_FORMAT(grind_time, '%Y-%m') AS month,
            COUNT(*)                          AS grindCount,
            IFNULL(SUM(grind_amount), 0)      AS totalGrindAmount
        FROM mes_roll_grind
        WHERE del_flag = 0
          AND roll_id = #{rollId}
          AND YEAR(grind_time) = #{year}
        GROUP BY DATE_FORMAT(grind_time, '%Y-%m')
        ORDER BY month ASC
    </select>

</mapper>