4dkankan-center-manage/src/main/resources/mapper/manage/LaserMapper.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.fdkankan.manage.mapper.ILaserMapper">

    <select id="getSceneByDb" resultType="com.alibaba.fastjson.JSONObject">
        select * from fdkk_laser.t_scene
                 where deleted = 0
            <if test="param.sceneCodes != null and param.sceneCodes.size >0">
                and scene_code in
                 <foreach collection="param.sceneCodes" item="sceneCode" open="("  separator="," close=")">
                     #{sceneCode}
                 </foreach>
            </if>
    </select>
</mapper>