manHourHousekeeper/fhKeeper/formulahousekeeper/management-platform/src/main/resources/mapper/SubProjectMapper.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.management.platform.mapper.SubProjectMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.management.platform.entity.SubProject">
        <id column="id" property="id" />
        <result column="name" property="name" />
        <result column="project_id" property="projectId" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        id, name, project_id
    </sql>
    <!--获取某个项目内子项目的工时成本统计-->
    <select id="getTimeCost" resultType="java.util.Map">
        SELECT a.id, a.name AS name, SUM(b.working_time) AS cost, SUM(b.working_time * c.cost) AS costMoney
        FROM sub_project AS a
        LEFT JOIN report AS b ON b.sub_project_id = a.id
        JOIN user AS c ON b.creator_id = c.id
        WHERE a.project_id = #{projectId}
        <if test="startDate != null and endDate != null">
            AND b.create_date between #{startDate} and #{endDate}
        </if>
        AND b.state = 1
        GROUP BY a.id
        ORDER BY a.id ASC
    </select>
</mapper>