mybatis-<resultMap><association></association></resultMap>-many to one

1. Corresponding Entity

 1     private Long shopId;
 2     private PersonInfo owner;
 3     private ShopCategory shopCategory;
 4     private Area area;
 5     private String shopName;
 6     private String shopDesc;
 7     private String shopAddr;
 8     private String phone;
 9     private String shopImg;
10     private Integer priority;
11     private Date createTime;
12     private Date lastEditTime;
13     // -1 is unavailable, 0 is available for review group 1 
14      private Integer enableStatus;
 15      // Reminder from the super administrator to the store 
16      private String advice;

2. Mapper corresponding to Entity

Column is a field in the database, property is the definition name of Entity

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <!DOCTYPE mapper
 3   PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"  
 4  "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 5 <mapper namespace="com.gzhli.o2o.dao.ShopDao">
 6     <resultMap type="com.gzhli.o2o.entity.Shop" id="shopMap">
 7     <id column="shop_id" property="shopId"/>
 8     <result column="shop_name" property="shopName"/>
 9     <result column="shop_desc" property="shopDesc"/>
10     <result column="shop_addr" property="shopAddr"/>
11     <result column="phone" property="phone"/>
12     <result column="shop_img" property="shopImg"/>
13     <result column="priority" property="priority"/>
14     <result column="create_time" property="createTime"/>
15     <result column="last_edit_time" property="lastEditTime"/>
16     <result column="enable_status" property="enableStatus"/>
17     <result column="advice" property="advice"/>
18     <association property="area" column="area_id" javaType="com.gzhli.o2o.entity.Area">
19         <id column="area_id" property="areaId"/>
20         <result column="area_name" property="areaName"/>
21     </association>
22     <association property="shopCategory" column="shop_category_id" javaType="com.gzhli.o2o.entity.ShopCategory">
23         <id column="shop_category_id" property="shopCategoryId"/>
24         <result column="shop_category_name" property="shopCategoryName"/>
25     </association>
26     <association property="owner" column="userId" javaType="com.gzhli.o2o.entity.PersonInfo">
27         <id column="user_id" property="userId"/>
28         <result column="name" property="name"/>
29     </association>
30     </resultMap>
31     
63     <select id="queryByShopId" parameterType="Long" resultMap="shopMap">
64         SELECT
65         s.shop_id  ,        
66         a.area_id,
67         a.area_name  ,    
68         sc.shop_category_id ,
69         sc.shop_category_name,
70         s.SHOP_NAME        ,
71         s.SHoP_DESC        ,
72         s.SHOP_ADDr        ,
73         s.phone            ,
74         s.shop_imG         ,
75         s.prioRITY         ,
76         s.cREate_time      ,
77         s.LASt_edit_time   ,
78         s.enabLE_STAtUS    ,
79         s.ADVICe 
80         FROM
81         TB_SHOP S,
82         tb_shop_category SC,  
83         tb_area A 
84         WHERE
85         S.AREA_ID = A.area_id
86         AND S.shop_category_id = SC.shop_category_id 
87         AND shop_id = #{shopId}
88     </select>
89 </mapper>