Hibernate3.2一对多

public class Department {
	private int id ;
	private String name ;
	private Set<Employee> emps;
	public Set<Employee> getEmps() {
		return emps;
	}
	public void setEmps(Set<Employee> emps) {
		this.emps = emps;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
}
//Employee.java
public class Employee {
	private int id ;
	private String name ;
	private Department depart ;
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Department getDepart() {
		return depart;
	}
	public void setDepart(Department depart) {
		this.depart = depart;
	}
}

Department.hbm.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="org.javaboys.model.Department" >
        <id name="id" type="java.lang.Integer">
            <column name="id" />
            <generator class="native" />
        </id>
        <property name="name" type="java.lang.String"/>
       <set name="emps">
       <key column="depart_id"/>
       <one-to-many class="org.javaboys.model.Employee"/>
      
       </set>
    </class>
</hibernate-mapping>


Employee.hbm.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="org.javaboys.model.Employee" >
        <id name="id" type="java.lang.Integer">
            <column name="id" />
            <generator class="native" />
        </id>
        <property name="name" type="java.lang.String"/>
        <many-to-one name="depart" column="depart_id"/>
        </class>
</hibernate-mapping>

测试类:

package org.javaboys.dao;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.javaboys.model.Department;
import org.javaboys.model.Employee;

public class One2Many {

/**
* @param args
*/
public static void main(String[] args) {
Session s = null;
s = HibernateUtil.getSession();
Transaction tx = s.beginTransaction();
Department depart = new Department();
depart.setName("management");
Employee emp = new Employee();
emp.setDepart(depart);
emp.setName("zhangsan");
Employee emp1 = new Employee();
emp1.setDepart(depart);
emp1.setName("lisi");
s.save(depart);
s.save(emp);
s.save(emp1);
tx.commit();

}

}