ComProjectSubDAO.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">

<!-- 合作单位表 -->
<mapper namespace="com.yiboshi.science.dao.ComProjectSubDAO">
    <sql id="allColumns">
        t.id as id, t.object_id as objectId, t.unit_name as unitName, t.unit_address as unitAddress, t.project_work as projectWork
    </sql>
    <select id="getListByObjectId" parameterType="java.lang.String" resultType="com.yiboshi.science.param.dto.ComProjectSubDTO">
        SELECT a.*,b.id download_id,b.download_url,b.file_name
        FROM com_project_sub a
        left join com_download b on a.file_id=b.id
        where object_id=#{objectId} order by a.show_index asc
    </select>
</mapper>