exam-api/target/classes/mapper/paper/PaperQuMapper.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.ydl.exam.modules.paper.mapper.PaperQuMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.ydl.exam.modules.paper.entity.PaperQu">
        <id column="id" property="id" />
        <result column="paper_id" property="paperId" />
        <result column="qu_id" property="quId" />
        <result column="qu_type" property="quType" />
        <result column="answered" property="answered" />
        <result column="answer" property="answer" />
        <result column="sort" property="sort" />
        <result column="score" property="score" />
        <result column="actual_score" property="actualScore" />
        <result column="is_right" property="isRight" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        `id`,`paper_id`,`qu_id`,`qu_type`,`answered`,`answer`,`sort`,`score`,`actual_score`,`is_right`
    </sql>


    <!-- 计算总分 -->
    <select id="sumObjective" resultType="int">
		SELECT IFNULL(SUM(actual_score),0) as total
		FROM el_paper_qu
		WHERE paper_id=#{paperId}
		AND is_right=true
		AND qu_type &lt; 4
	</select>

    <select id="sumSubjective" resultType="int">
		SELECT IFNULL(SUM(actual_score),0) as total
		FROM el_paper_qu
		WHERE paper_id=#{paperId}
		AND qu_type=4
	</select>

    <resultMap id="ListResultMap" extends="BaseResultMap" type="com.ydl.exam.modules.paper.dto.ext.PaperQuDetailDTO">

        <result column="image" property="image" />
        <result column="content" property="content" />
        <collection property="answerList" column="{paperId=paper_id,quId=qu_id}"
                    select="com.ydl.exam.modules.paper.mapper.PaperQuAnswerMapper.listForShow"></collection>

    </resultMap>

    <select id="listByPaper" resultMap="ListResultMap">
        SELECT pq.*,eq.content,eq.image
        FROM el_paper_qu pq
        LEFT JOIN el_qu eq ON pq.qu_id = eq.id
        WHERE pq.paper_id=#{paperId}
        ORDER BY pq.sort ASC
    </select>

</mapper>