mybatis 一對多處理

一個機構下有多個套餐

package com.kcallme.kangkangapi.commonapi.entity;

import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableName;
import com.baomidou.mybatisplus.extension.activerecord.Model;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.experimental.Accessors;

import java.io.Serializable;
import java.util.Date;
import java.util.List;

/**
 * <p>
 * 體檢機構
 * </p>
 *
 * @author Auto-generator
 * @since 2021-04-14
 */
@Data
@EqualsAndHashCode(callSuper = false)
@Accessors(chain = true)
@TableName("k_kangkang_org")
public class Org extends Model<Org> {

    private static final long serialVersionUID = 1L;

    /**
     * 主鍵
     */
    private String id;
    /**
     * 康康每個機構唯一編號
     */
    private String hospId;
    /**
     * 機構名稱
     */
    private String hospName;
    /**
     * 機構圖片
     */
    private String hospImage;
    /**
     * 機構logo圖片
     */
    @TableField(exist = false)
    private String hospLogoImage;
    /**
     * 溫馨提示
     */
    private String hospNotice;
    /**
     * 乘車信息
     */
    private String hospBus;
    /**
     * 機構地址
     */
    private String hospAddress;
    /**
     * 描述
     */
    private String hospDescription;
    /**
     * 工作時間
     */
    private String hospWorkTime;
    /**
     * 機構緯度
     */
    private String hospLat;
    /**
     * 機構經度
     */
    private String hospLng;
    /**
     * 機構類型名稱
     */
    private String hospRank;
    /**
     * 機構類型編號
     */
    private String hospRankCode;
    /**
     * 機構服務
     */
    private String hospService;
    /**
     * 機構所在省份編號
     */
    private String provenceCode;
    /**
     * 機構所在省份名稱
     */
    private String provenceName;
    /**
     * 機構所在城市編號
     */
    private String cityCode;
    /**
     * 機構所在城市名稱
     */
    private String cityName;
    /**
     * 機構所在區域編號
     */
    private String areaCode;
    /**
     * 機構所在區域名稱
     */
    private String areaName;
    /**
     * 1 上線 0 下線
     */
    private Integer isOnline;
    /**
     * 支付類型 1 在線支付 0 線下支付
     */
    private Integer payType;
    /**
     * 創建時間
     */
    private Date createTime;
    /**
     *  更新時間
     */
    private Date updateTime;
    /**
     * 1 刪除 0 正常
     */
    private Integer isDel;
    /**
     * 此機構和康康網的結算折扣
     */
    private Float kkzk;
    /**
     *  排期JSON
     */
    private String scheduleK;
    /**
     *  提前幾天
     */
    private Integer advanceDay;

    /**
     * 套餐
     */
    @TableField(exist = false)
    private List<KPackage> packageList;


    /**
     * 根據用戶給定的經緯度計算距離
     */
    @TableField(exist = false)
    private double juli;


    @Override
    protected Serializable pkVal() {
        return this.id;
    }

}


package com.kcallme.kangkangapi.commonapi.entity;

import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableName;
import com.baomidou.mybatisplus.extension.activerecord.Model;
import java.io.Serializable;
import java.util.Date;

import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.experimental.Accessors;

/**
 * <p>
 * 體檢套餐
 * </p>
 *
 * @author Auto-generator
 * @since 2021-04-14
 */
@Data
@EqualsAndHashCode(callSuper = false)
@Accessors(chain = true)
@TableName("k_kangkang_package")
public class KPackage extends Model<KPackage> {

    private static final long serialVersionUID = 1L;

    /**
     * 主鍵
     */
    private String id;
    /**
     *  套餐大類型集合
     */
    private String packageCat;
    /**
     *  是否爲康康套餐
     */
    private Integer isKktc;
    /**
     * 套餐ID
     */
    private String packageId;
    /**
     * 套餐名稱
     */
    private String packageName;
    /**
     *  套餐編號
     */
    private String packageCode;
    /**
     * 醫院編號
     */
    private String hospId;
    /**
     *  出售價格
     */
    private Integer sealPrice;
    /**
     * 原價
     */
    private Integer originalPrice;
    /**
     * 注意事項
     */
    private String attention;
    /**
     * 圖片路徑
     */
    private String packageImage;
    /**
     * 套餐小類型
     */
    private String packageType;
    /**
     * 套餐性別 1 男 2 女 0 通用
     */
    private Integer packageSex;
    /**
     *  檢查意義
     */
    private String jcyy;
    /**
     * 預約可選婚姻狀態(0 已婚 1 未婚 2 不限)
     */
    private Integer tchyzt;
    /**
     *  套餐內容
     */
    private String packageContent;
    /**
     *  1 正常
     */
    private Integer isOnline;
    /**
     *  1 刪除
     */
    private Integer isDel;
    /**
     *  
     */
    private Date createTime;
    private Date updateTime;
    /**
     *  支付類型 1 在線支付 0 線下支付
     */
    private Integer payType;


    /**
     * 叩我價格
     */
    @TableField(exist = false)
    private Integer kCallMePrice;

    @TableField(exist = false)
    private Org org;


    @Override
    protected Serializable pkVal() {
        return this.id;
    }

}

orgMapper.xml 定義

<mapper namespace="com.kcallme.kangkangapi.commonapi.mapper.OrgMapper">

    <!-- 通用查詢映射結果 -->
    <resultMap id="BaseResultMap" type="com.kcallme.kangkangapi.commonapi.entity.Org">
        <result column="id" property="id" />
        <result column="hosp_id" property="hospId" />
        <result column="hosp_name" property="hospName" />
        <result column="hosp_image" property="hospImage" />
        <result column="hosp_notice" property="hospNotice" />
        <result column="hosp_bus" property="hospBus" />
        <result column="hosp_address" property="hospAddress" />
        <result column="hosp_description" property="hospDescription" />
        <result column="hosp_work_time" property="hospWorkTime" />
        <result column="hosp_lat" property="hospLat" />
        <result column="hosp_lng" property="hospLng" />
        <result column="hosp_rank" property="hospRank" />
        <result column="hosp_rank_code" property="hospRankCode" />
        <result column="hosp_service" property="hospService" />
        <result column="provence_code" property="provenceCode" />
        <result column="provence_name" property="provenceName" />
        <result column="city_code" property="cityCode" />
        <result column="city_name" property="cityName" />
        <result column="area_code" property="areaCode" />
        <result column="area_name" property="areaName" />
        <result column="is_online" property="isOnline" />
        <result column="pay_type" property="payType" />
        <result column="create_time" property="createTime" />
        <result column="update_time" property="updateTime" />
        <result column="is_del" property="isDel" />
        <result column="kkzk" property="kkzk" />
        <result column="schedule_k" property="scheduleK" />
        <result column="advance_day" property="advanceDay" />
        <result column="juli" property="juli" />
        <collection property="packageList" column="{hosp_id=hosp_id,packageType=packageType,sex=sex,min=min,max=max}" select="queryPackagesByHospId" javaType="ArrayList" ofType="java.util.HashMap"/>
    </resultMap>
	<resultMap id="KPackageResMap" type="com.kcallme.kangkangapi.commonapi.entity.KPackage">
        <id column="k_id" property="id" />
        <result column="package_type" property="packageType"/>
        <result column="package_name" property="packageName"/>
        <result column="package_code" property="packageCode"/>
        <result column="package_id" property="packageId"/>
        <result column="seal_price" property="sealPrice"/>
        <result column="original_price" property="originalPrice"/>
        <result column="package_image" property="packageImage"/>
    </resultMap>
    
    <select id="queryForOrgAndPackage" resultMap="BaseResultMap" parameterType="java.util.Map">
        select DISTINCT(k1.hosp_id), k1.id,k1.hosp_name,k1.hosp_image,k1.hosp_address,k1.hosp_work_time,k1.hosp_lat,k1.hosp_lng,k1.hosp_rank,k1.city_code,k1.city_name,k1.area_code,k1.area_name,
            (st_distance(point(k1.hosp_lng,k1.hosp_lat),point(#{lng},#{lat}))*111195/1000 ) as juli,
            #{packageType} as packageType,
            #{sex} as sex ,
            #{min} as `min`,
            #{max} as `max`
        from k_kangkang_org k1 left join k_kangkang_package k2 on k1.hosp_id = k2.hosp_id
        where k1.is_del=0 and k1.hosp_lat is not null and k2.is_del=0
        <if test="cityCode!=null">
            and k1.city_code=#{cityCode}
        </if>
        <if test="orgRank!=null">
            and k1.hosp_rank=#{orgRank}
        </if>
        <if test="areaCode!=null">
            and k1.area_code=#{areaCode}
        </if>
        <if test="orgId!=null">
            and k1.hosp_id=#{orgId}
        </if>
        <if test="isHot!=null">
            and k1.is_hot=#{isHot}
        </if>
        <if test="packageType!=null and packageType!=''">
            and k2.package_type like CONCAT('%', #{packageType},'%')
        </if>
        <if test="sex!=null and sex!=''">
            and k2.package_sex=#{sex}
        </if>
        <if test="min!=null and min!=''">
            and k2.seal_price <![CDATA[>=]]> #{min}
        </if>
        <if test="max!=null and max!=''">
            and k2.seal_price <![CDATA[<=]]> #{max}
        </if>
        order by juli asc
    </select>

    <select id="queryPackagesByHospId" parameterType="map" resultMap="KPackageResMap">
        select
        k2.id as k_id,k2.package_type,k2.package_name,k2.package_code,k2.seal_price,k2.original_price,k2.package_image,k2.package_id
        from k_kangkang_package k2
        where k2.is_del=0 and k2.hosp_id = #{hosp_id}
        <if test="packageType!=null and packageType!=''">
            and k2.package_type like CONCAT('%', #{packageType},'%')
        </if>
        <if test="sex!=null and sex!=''">
            and k2.package_sex=#{sex}
        </if>
        <if test="min!=null and min!=''">
            and k2.seal_price <![CDATA[>=]]> #{min}
        </if>
        <if test="max!=null and max!=''">
            and k2.seal_price <![CDATA[<=]]> #{max}
        </if>
    </select>
</mapper>