water-monitor-api/ruoyi-api/src/main/resources/mapper/api/DapingMapper.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.ruoyi.api.mapper.DapingMapper">

    <select id="selectStationInfo" resultType="com.ruoyi.code.camera.domain.WaterPhotoInfo">
        SELECT
            stnm,
            longitude,
            latitude,
            s.id,
            create_time,
            c.value,
            c.img_name
        FROM
            sc_station_info s
                left join sc_water_current_data c on c.stnm_id = s.id
    </select>
    <select id="selectWaterLevel" resultType="com.ruoyi.code.camera.domain.WaterPhotoInfo">
        SELECT
            s.id,
            s.stnm,
            s.camera_sn,
            w.value
        FROM
            sc_station_info s
        LEFT JOIN sc_water_current_data w ON w.stnm_id = s.id
    </select>
    <select id="selectWaterLevelTrend" resultType="com.ruoyi.code.camera.domain.WaterPhotoInfo">
        SELECT
            s.id,
            s.stnm,
            w.value,
            w.tm
        FROM
            sc_station_info s
                LEFT JOIN sc_water_data w ON w.stnm_id = s.id
        WHERE
            tm BETWEEN DATE_SUB( NOW(), INTERVAL 12 HOUR )
                AND now()
          AND RIGHT ( tm, 5 )= '00:00' and s.id=#{id}
        ORDER BY
            tm
    </select>
    <select id="selectStationInfoId" resultType="java.lang.Integer">
        select id from sc_station_info
    </select>
    <select id="selectStationByOnlineStatus" resultType="java.util.Map">
        select count(1) as value , '在线' as name from camera where status = '1';
    </select>
    <select id="selectStationByOfflineStatus" resultType="java.util.Map">
        select count(1) as value , '不在线' as name from camera where status = '2';
    </select>
</mapper>