wechatbak/wjj-core/target/classes/mybatis/RegionMapper.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.demo.wjj.mapper.RegionMapper">

    <resultMap id="region" type="com.demo.wjj.po.Region">
        <id column="id" property="id"/>
        <result column="name" property="name"/>
        <result column="region_type" property="regionType"/>
    </resultMap>

    <!--查询区域-->
    <select id="selectRegion" resultMap="region">
        SELECT r.id, r.name, r.region_type
        FROM tb_region r
        WHERE r.can_enable = 1 AND r.region_type = #{regionType}
        <if test="parentId != null">
            AND r.parent_id = #{parentId}
        </if>
        ORDER BY r.sort_no, r.name
    </select>

    <select id="selectRegionList" resultMap="region">
        SELECT r.id, r.name, r.region_type
        FROM tb_region r
        WHERE r.can_enable = 1 AND r.id IN
        <foreach collection="ids" item="id" separator="," open="(" close=")">
            #{id}
        </foreach>
    </select>
</mapper>