wechatbak/wjj-core/target/classes/mybatis/ImgListMapper.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.ImgListMapper">

    <resultMap id="imgList" type="com.demo.wjj.po.ImgList">
        <result column="list_code" property="listCode"/>
        <result column="list_name" property="listName"/>
    </resultMap>

    <!--查询手机端置换列表-->
    <select id="selectMobileDisplaceList" resultMap="imgList">
        SELECT l.list_code, l.list_name
        FROM tb_img_list l
        WHERE l.can_enable = 1
        ORDER BY l.list_order
    </select>

    <!--查询全部置换图片列表-->
    <select id="selectAllDisplaceList" resultMap="imgList">
        SELECT l.list_code, l.list_name
        FROM tb_img_list l
        ORDER BY l.list_order
    </select>

    <resultMap id="ImgeListMap" type="com.demo.wjj.bo.ImgListBo">
        <result column="list_order" property="listOrder"/>
        <result column="list_code" property="listCode"/>
        <result column="list_name" property="listName"/>
        <result column="img_item" property="imgItem"/>
    </resultMap>

    <select id="getMobileImgList" resultMap="ImgeListMap">
        SELECT c.*
        FROM (SELECT a.list_order,a.list_code,a.list_name ,b.img_item
			FROM tb_img_list a
			LEFT JOIN tb_img_item b
			on a.id=b.img_list_id) as c
        WHERE c.list_order=#{listOrder}
    </select>
</mapper>