snd-escloud/target/classes/mapper/build/LiveDao.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="platform.modules.build.dao.LiveDao">
    
    <select id="getUseAreaByFloorId" resultType="double">
        select sum(area) from ic_contract_floor where floor_id=#{id} and del_flag=0
    </select>

	<select id="getUseAreaByBuildingId" resultType="double">
        select sum(area) from ic_contract_floor where building_id=#{id} and del_flag=0
    </select>


</mapper>