4S/target/classes/mapper/StatAiAlarmDayCountMapper.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.zhgd.scs.mapper.StatAiAlarmDayCountMapper">

    <select id="getAlarmSum" resultType="java.lang.Integer">
        SELECT SUM(saadc.count)
        FROM stat_ai_alarm_day_count saadc
        WHERE saadc.project_id = #{projectId}
        <choose>
            <when test="type!=null and type == 2">
                AND DATE(saadc.date) >= DATE_SUB(CURDATE(), INTERVAL 6 DAY)
            </when>
            <when test="type!=null and type == 3">
                AND DATE(saadc.date) >= DATE_SUB(CURDATE(), INTERVAL 29 DAY)
            </when>
            <when test="type!=null and type == 4">
                AND DATE(saadc.date) >= DATE_SUB(CURDATE(), INTERVAL 14 DAY)
            </when>
            <otherwise>
                AND DATE(saadc.date) >= DATE_SUB(CURDATE(), INTERVAL 6 DAY)
            </otherwise>
        </choose>
        ORDER BY saadc.date
    </select>

</mapper>