hibernate配置文件

hibernate.cfg.xml

 1 <?xml version='1.0' encoding='utf-8'?>
 2 <!DOCTYPE hibernate-configuration PUBLIC
 3     "-//Hibernate/Hibernate Configuration DTD//EN"
 4     "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
 5 <hibernate-configuration>
 6   <session-factory>
 7     <property name="connection.url">jdbc:mysql://localhost:3306/ht1668webbuyer?useUnicode=true&amp;characterEncoding=UTF-8</property>
 8     <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
 9     <property name="connection.username">root</property>
10     <property name="connection.password">root</property>
11     <property name="current_session_context_class">thread</property>
12     <property name="show_sql">true</property><!--显示sql语句-->
13     <property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
14       <!--方言配置，用来更准确的产生sql语句-->
15 
16     <!--把映射文件一定要加入资源文件中-->
17     <mapping resource="hbm/User.hbm.xml"/>
18     <mapping resource="hbm/UserDetails.hbm.xml"/>
19     <mapping resource="hbm/Goods.hbm.xml"/>
20     <mapping resource="hbm/GoodDetails.hbm.xml"/>
21     <mapping resource="hbm/BuyCar.hbm.xml"/>
22     <mapping resource="hbm/Order.hbm.xml"/>
23     <mapping resource="hbm/OrderDetails.hbm.xml"/>
24       <!-- DB schema will be updated if needed -->
25     <!-- <property name="hbm2ddl.auto">update</property> -->
26   </session-factory>
27 </hibernate-configuration>

User.hbm.xml

 1 <?xml version='1.0' encoding='utf-8'?>
 2 <!DOCTYPE hibernate-mapping PUBLIC
 3     "-//Hibernate/Hibernate Mapping DTD//EN"
 4     "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
 5 <hibernate-mapping>
 6     <class name="com.iotek.homework.model.User" table="users" schema="ht1668webbuyer">
 7         <id name="id" type="java.lang.String">
 8             <column name="id" sql-type="char" length="32"/>
 9         </id>
10         <property name="name" type="java.lang.String">
11             <column name="name" sql-type="varchar" length="255"/>
12         </property>
13         <property name="pass" type="java.lang.String">
14             <column name="pass" sql-type="char" length="32"/>
15         </property>
16         <property name="age" type="java.lang.Integer">
17             <column name="age" sql-type="int"/>
18         </property>
19         <property name="img" type="java.lang.String">
20             <column name="img" sql-type="char" length="32"/>
21         </property>
22         <!--cascade 表示级联,
23         lazy false表示非懒加载，懒加载的意思为，在取user时不取set中的所有值，
24         inverse 默认为false，用来确认外键id是否有值，
25         但是正常配置后，不可能出现外键id为null，所以不需要-->
26         <set name="userDetailses" cascade="all" lazy="false">
27             <key column="userid"/>
28             <one-to-many class="com.iotek.homework.model.UserDetails"/>
29         </set>
30     </class>
31 </hibernate-mapping>