tzy-admin/py-goods/target/classes/mapper/SysMenuMapper.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.poyee.mapper.SysMenuMapper">

	<select id="selectPermsByUserId" parameterType="Long" resultType="String">
		select distinct m.perms
		from sys_menu m
			 left join sys_role_menu rm on m.menu_id = rm.menu_id
			 left join sys_user_role ur on rm.role_id = ur.role_id
			 left join sys_role r on r.role_id = ur.role_id
		where m.visible = '0'
		  and r.status = '0'
		  and ur.user_id = #{userId}::integer
	</select>

</mapper>