repair_backend/target/classes/mapper/repair/RepairAreaMapper.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.repair.mapper.RepairAreaMapper">
    <!-- 可根据自己的需求，是否要使用 -->
    <resultMap type="com.repair.model.vo.RepairSchoolVo" id="repairSchoolMap">
        <result property="id" column="id"/>
        <result property="name" column="name"/>
    </resultMap>

    <select id="queryRepairSchools" resultMap="repairSchoolMap">
        select id,name from repair_area where parent_id = 0 and deleted = 0
    </select>

</mapper>