Mapper接口
/**
* 根据剧典id list查询剧典
*/
public List<Drama> selectByIds(@Param("dramaIds")List<Long> dramaIds);
mapper.xml
<!-- 根据剧典id list查询剧典 -->
<select id="selectByIds" resultMap="DramaImageResultMap">
select * from drama where drama_id in
<foreach collection="dramaIds" item="dramaId" open="(" close=")" separator=",">
#{dramaId}
</foreach>
</select>
Mybatis笔记 -- 批量操作(查询、插入、更新、删除)
原文:https://www.cnblogs.com/junzifeng/p/11946941.html