server/src/main/resources/mapper/PaperPageMapper.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="cn.com.qmth.scancentral.dao.PaperPageDao">
	<resultMap id="custMap"
		type="cn.com.qmth.scancentral.vo.paper.PaperPageCetVo">
		<result column="absent" property="absent"
			typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler" />
		<result column="breach" property="breach"
			typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler" />
		<result column="paper_type" property="paperType"
			typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler" />
		<result column="question" property="question"
			typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler" />
		<result column="selective" property="selective"
			typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler" />
		<result column="slice_path" property="slicePath"
			typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler" />
	</resultMap>
	<select id="listByStudentIds" resultMap="custMap">
		SELECT
			pg.paper_Id,
			pg.page_index,
			pg.absent,
			pg.breach,
			pg.paper_type,
			pg.question,
			pg.selective,
			pg.sheet_path,
			pg.slice_path,
		       t.student_id,
		       t.paper_number
		FROM sc_student_paper t
		left join sc_paper_page pg on t.paper_id = pg.paper_id
		WHERE t.student_id in
        <foreach collection="studentIds" item="item"
			index="index" separator="," open="(" close=")">
			#{item}
		</foreach>
-- 		ORDER BY t.paper_number,pg.page_index
	</select>

</mapper>