复合主键在映射文件中的配置
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
??? <class name="com.cfets.imix.pojo.StatisticsData" table="dbo.[StatisticsData]">???
??????? <composite-id>
????????????????? ?<key-property name="date" column="Date" type="java.lang.String" length="10"/>?
???????????????????<key-property name="name" column="Name" type="java.lang.String" length="200"/>
??????? </composite-id>
??????? <property name="count" type="java.lang.Integer">
???????????????????<column name="Count" length="10"/>
??????? </property>
??? </class>
</hibernate-mapping>
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