<?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.hc.business.mapper.AreaDistrictMapper"> <resultMap type="areaDistrict" id="AreaDistrictMap"> <result property="areaId" column="area_id" jdbcType="INTEGER"/> <result property="areaName" column="area_name" jdbcType="VARCHAR"/> <result property="parentId" column="parent_id" jdbcType="INTEGER"/> <result property="areaImage" column="area_image" jdbcType="VARCHAR"/> <result property="areaStatus" column="area_status" jdbcType="INTEGER"/> <result property="areaIndex" column="area_index" jdbcType="INTEGER"/> </resultMap> <sql id="Base_Column_List"> area_id, area_name, parent_id, area_image, area_status, area_index </sql> <select id="queryAllByParentId" resultMap="AreaDistrictMap"> SELECT <include refid="Base_Column_List"/> FROM area_district WHERE parent_id = #{parentId,jdbcType=INTEGER} ORDER BY area_index </select> </mapper>