iHotel_student_houtai/target/classes/mapper/template/HouseMapper.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.template.mapper.HouseMapper">

    <!-- 可根据自己的需求，是否要使用 -->
    <resultMap type="com.template.model.pojo.House" id="HouseTypeMapper">
        <result property="id" column="id"/>
        <result property="number" column="number"/>
        <result property="roomName" column="room_name"/>
        <result property="roomType" column="room_type"/>
        <result property="roomPrice" column="room_price"/>
        <result property="roomArea" column="room_area"/>
        <result property="roomLiveTime" column="room_live_time"/>
        <result property="receivingTime" column="receiving_time"/>
        <result property="visible" column="visible"/>
        <result property="roomConfiguration" column="room_configuration"/>
        <result property="roomPicture" column="room_picture"/>
    </resultMap>


    <select id="getPage" resultType="com.template.model.vo.HouseVo">
        SELECT
        *
        FROM
        (
        SELECT
        h.room_live_time AS time,
        h.room_name AS `name`,
        (SELECT GROUP_CONCAT( DISTINCT hn.room_number ) FROM house_number hn WHERE hn.house_id =h.id and hn.deleted=0)
        as roomId ,
        h.room_price AS price,
        h.visible AS visible,
        h.number AS count,
        h.room_type AS type,
        h.id as id
        FROM
        house h
        <where>
            h.deleted=0
            <if test="type != null and type != ''">
                AND h.room_type = #{type}
            </if>
        </where>
        ) h1
        <where>
            <if test="keyWord != null and keyWord != ''">
                and h1.roomId LIKE concat('%',#{keyWord},'%')
            </if>
        </where>

    </select>

    <select id="details" resultType="com.template.model.vo.HousedetailsVo">
        SELECT h.*,
               (SELECT GROUP_CONCAT(DISTINCT hn.room_number )
                FROM house_number hn
                WHERE hn.house_id = h.id
                  and hn.deleted = 0) AS roomIds

        FROM `house` h
        WHERE h.id = #{houseId}
          AND h.deleted = 0
    </select>
    <select id="roomType" resultType="com.template.model.vo.RoomTypeVo">
        SELECT id, room_name, room_type, room_price
        FROM `house`
        where deleted = 0
        GROUP BY room_name, room_type, room_price, id
    </select>
    <select id="group" resultType="java.lang.String">
        select  room_name from house group by room_name
    </select>




</mapper>