mybatis的映射

//一对一
    <resultMap id="给resultMap取的id名" type="类名">
    	<result property="字段名" column="sql里的字段名"/>
                <association property="类里面的字段名" javaType="类型">
                    <result property="字段名" column="sql里的字段名"/>
                </association>
    </resultMap>

//一对多
    <resultMap type="com.dlzb.enterprising.vo.category.CategoryPageVo" id="HopsConCategoryMap">
        <result property="字段名" column="sql里的字段名"/>
        <collection property="类里面的字段名" ofType="类型">
            <result property="字段名" column="sql里的字段名"/>
        </collection>
    </resultMap>

//多对一
     <resultMap type="Order" id="orderBean">
	<id column="orderId" property="id"/>
	<result column="orderNumber" property="number"/>
	<result column="orderPrice" property="price"/>
	<!-- 多对一的关系 -->
	<!-- property: 指的是属性的值, javaType：指的是属性的类型-->
	<association property="person" javaType="Person">
		<id column="personId" property="id"/>
		<result column="personName" property="name"/>
		<result column="personAddress" property="address"/>
		<result column="personTel" property="tel"/>
	</association>
     </resultMap>

//多对多
<resultMap id="userOrder" type="com.fh.entity.Account">
   <id property="id" column="ID"/>
   <result property="userName" column="USERNAME"/>
   <collection property="orders" ofType="com.fh.entity.Order">
      <id property="id" column="ORDER_ID"/>
      <result property="name" column="NAME"/>
      <result property="number" column="NUMBER"/>
      <collection property="orderDetails" ofType="com.fh.entity.OrderDetail">
         <id property="id" column="DID"/>
         <result property="name" column="DNAME"/>
         <result property="itemNumber" column="ITEM_NUMBER"/>
      </collection>
   </collection>
</resultMap>