saas_entrepot/zhongzheng-system/src/main/resources/mapper/modules/exam/ExamActivityMapper.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.zhongzheng.modules.exam.mapper.ExamActivityMapper">

    <select id="getActivityList" parameterType="com.zhongzheng.modules.exam.bo.ExamActivityQueryBo"
            resultType="com.zhongzheng.modules.exam.vo.ExamActivityVo">
        SELECT ea.*,
               (SELECT su.user_name FROM sys_user su WHERE su.user_id = ea.creator_id) as creatorName,
               ma.apply_name as mockApplyName,
               ma.apply_id as mockApplyId,
               ma.code as mockApplyCode
        FROM exam_activity ea
        LEFT JOIN mock_apply ma ON ea.mock_apply_id = ma.apply_id
        WHERE ea.`status` = 1 AND ma.`status` = 1
        <if test="name != null and name != ''">
            AND (ea.name like concat('%', #{name}, '%'))
        </if>
    </select>

    <select id="getActivityUserList" parameterType="java.lang.Long"
            resultType="com.zhongzheng.modules.exam.bo.ExamActivityUserVo">
        SELECT * FROM exam_activity_user WHERE activity_id = #{activityId}
    </select>
</mapper>