1.通过外键关联的多对一和一对多关系:
2.通过关联表关联的多对多关系:
<many-to-one name="metaProps" column="PROP_ID" class="com.adosoft.meta.domain.MetaProps" cascade="save-update" />
<set name="datas" inverse="false" lazy="true" cascade="all-delete-orphan" order-by="id">
<key column="KEY_ID" />
<one-to-many class="com.adosoft.meta.domain.Data" />
</set>
2.通过关联表关联的多对多关系:
<set name="permissions" table="T_ROLE_PERMISSION" lazy="true">
<key column="ROLE_ID" />
<many-to-many class="com.adosoft.exam.domain.Permission"> <column name="PERMISSION_ID" />
</many-to-many>
</set>