1 <!DOCTYPE hibernate-configuration PUBLIC 2     "-//Hibernate/Hibernate Configuration DTD 3.0//EN" 3     "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> 4  5 <hibernate-configuration> 6  7     <session-factory> 8         <property name="hibernate.connection.driver_class"> com.mysql.jdbc.Driver</property> 9         <property name="hibernate.connection.url"> jdbc:mysql://localhost:3306/test</property>10         <property name="hibernate.connection.username"> root</property>11         <property name="hibernate.connection.password"> 1234</property>12         13         <property name="hibernate.dialect"> org.hibernate.dialect.MySQLDialect</property>14         <property name="show_sql">true</property>15         <property name="hibernate.hbm2ddl.auto">update</property>16         17         <mapping resource="com/shuanlei/pojo/Student.hbm.xml"/>18         19     </session-factory>20 </hibernate-configuration>

1 public class Department {2     private Integer id;3     private String departDesc;4     5     private Set<Employee> employees= new HashSet<Employee>();

 1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC  3     "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 4     "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 5 <hibernate-mapping  6     package="com.shuanlei.pojo"> 7  8     <class name="department" table="t_department" lazy="true"> 9         10         <id name="id">11             <generator class="native"/>12         </id>13         14         <property name="departDesc" column="departDesc"></property>15             <set name="employees">16                 <key>17                     <column name="emp_id"></column>18                 </key>19                 <one-to-many class="Employee"/>20             </set>21     </class>22     23 </hibernate-mapping>

1 public class Employee {2     private Integer id;3     private String uname;4     5     private Department department;

 1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC  3     "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 4     "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 5 <hibernate-mapping  6     package="com.shuanlei.pojo"> 7  8     <class name="Employee" table="t_employee" lazy="true"> 9         10         <id name="id">11             <generator class="native"/>12         </id>13         14         <property name="uname" column="uname"></property>15         <property name="pwd" 16                 column="pwd"/>17                 <many-to-one name="department" class="Department">18                     <column name="emp_id"></column>19                 </many-to-one>20     </class>21     22 </hibernate-mapping>

 1 public class TestHiber { 2  3     Session session = HibUtil.getSession(); 4  5     public void add(Student stu) { 6         try { 7             session.getTransaction().begin(); 8  9             session.save(stu);10             session.getTransaction().commit();11 12         } catch (HibernateException e) {13             session.getTransaction().rollback();14             e.printStackTrace();15         } finally {16 17             session.close();18         }19     }20 21     public static void main(String[] args) {22         Student stu = new Student();23         stu.setPwd("222");24         stu.setUname("aba");25         TestHiber testHiber = new TestHiber();26         testHiber.add(stu);27     }28 29 }