一对多实体类配置文件

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2017-3-13 14:36:03 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="com.yh.manytoOne.Dept" table="hibernate_dept">
        <id name="deptNo" type="int">
            <column name="DEPTNO" />
            <generator class="assigned" />
        </id>
        <property name="dName" type="java.lang.String" access="field">
            <column name="DNAME" />
        </property>
        <!-- name:集合的属性名称 -->
        <set name="empSet">
        <key>
        <!-- 对应的关联实体类对应的外键字段名 -->
        <column name="dept_no"></column>
        </key>
        <!-- 关联实体 -->
        <one-to-many class="com.yh.manytoOne.Emp"/>
        </set>
        
    </class>
</hibernate-mapping>