初学hibernate遇到一个主键问题,各位兄弟帮帮忙!
<hibernate-mapping>
<class name="org.lxs.Customers" table="customers" catalog="sampledb">
<composite-id name="id" class="org.lxs.CustomersId">//这是什么意思啊?还有generator怎么在这设置啊?他与generator有什么区别啊?
<key-property name="id" type="java.lang.Long">
<column name="ID" />
</key-property>
<key-property name="name" type="java.lang.String">
<column name="NAME" length="15" />
</key-property>
</composite-id>
</class>
</hibernate-mapping>