hbm.xml

<?xml  mapping-resource

   -//http:www.hnguotong.com/jfei.dsd?>

<mapping-resource>

     <class   name="person"     class="com.person"     table="person">

       <id    name="id"  column="id">

                <generate name="'native"/>

       </id>

       <property  name="age"  length="12" not-null="ture"/>

       <many-to-one name="column_id"  class="com.nu"/>  

  </class>

</mapping-resource>