update 修改框架中批量接口，改为原生mybatis执行foreach，改善性能

朱杰

2021-05-31 90063ad03c406c0cf88f5e6a1860bb43926bfddf

 ruoyi-system/src/main/resources/mapper/system/SysUserPostMapper.xml

@@ -9,4 +9,11 @@
        <result property="postId" column="post_id"/>
    </resultMap>

</mapper> 
    <insert id="batchUserPost">
        insert into sys_user_post(user_id, post_id) values
        <foreach item="item" index="index" collection="list" separator=",">
            (#{item.userId},#{item.postId})
        </foreach>
    </insert>

</mapper>