hibernate 多对一单向映射配置文件的配置

最新推荐文章于 2025-07-28 23:27:29 发布

xiaocao9903

最新推荐文章于 2025-07-28 23:27:29 发布

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本文介绍了一个基于Hibernate框架的商品数据与商品类型的数据映射配置案例，详细展示了如何使用XML文件配置数据库表与Java对象之间的映射关系，包括商品的基本属性及与商品类型的关联。

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goods.hbm.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping >
<class name="package077.GoodsInfo" table="商品数据表">

<id name="goodsId" column="商品ID" type="int">
<generator class = "identity" />
</id>

<property name="goodsCode" column="商品编码" type="string" length="10">
</property>
<property name="goodsName" column="商品名称" type="string" length="10">
</property>
<property name="goodsPrice" column="价格" type="double" >
</property>
<property name="goodsPreferentialPrice" column="优惠价格" type="double" >
</property>

<property name="goodsStockNumber" column="库存数量" type="int" length="10">
</property>

<many-to-one name="goodsCategory" column="类型" class="package077.GoodsCategory" lazy="false" >
</many-to-one>
</class>

</hibernate-mapping>

category.hbm.xml

hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>

<property name="connection.username">sa</property>

<property name="connection.url">jdbc:sqlserver://localhost:1433;DatabaseName=ECommerce</property>

<property name="dialect">org.hibernate.dialect.SQLServer2008Dialect</property>

<property name="connection.password">123456</property>

<property name="show_sql">true</property>

<property name="connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>

<mapping resource="package077/goods.hbm.xml" />
<mapping resource="package077/category.hbm.xml" />
</session-factory>
</hibernate-configuration>