<?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.sincere.student.mapper.AreaMapper">

    <resultMap id="AreaMap" type="com.sincere.student.model.Area">
        <result column="area_code" property="code"/>
        <result column="area_name" property="name"/>
    </resultMap>

    <select id="getProvince" resultMap="AreaMap">
        select * from sys_area where len(area_code)=2
    </select>

    <select id="getCity" parameterType="java.lang.String" resultMap="AreaMap">
        select * from sys_area where len(area_code) > 2 and area_code like #{code}
    </select>

</mapper>