<?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.newfiber.api.pc.dao.MenuButtonsRepository"> <select id="selectListByMenuNo" parameterType="string" resultType="string"> select button_no from sys_menu_button where menu_no = #{menuNo} </select> </mapper>