hibernate根据配置文件生成数据库表

package com.imti.common.util.getDB;
/**

 * @author sunxf  

happysunxf@163.com

 */
import java.io.File;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.tool.hbm2ddl.SchemaExport;


public class HibernateSchemaExport{
    static Session session;
    static Configuration config = null;
    static Transaction tx = null;
    public static void main(String[] args){
        /** *//**
         * 根据映射文件创建数据库结构
         */
        try{
            config = new Configuration().configure(new File(
                    "D:\\project\\common\\util\\getDB\\applicationContext-hibernate.xml"));
            System.out.println("Creating tables...");
            SessionFactory sessionFactory = config.buildSessionFactory();
            session = sessionFactory.openSession();
            tx = session.beginTransaction();
            SchemaExport schemaExport = new SchemaExport(config);
            schemaExport.create(true, true);
            System.out.println("Table created.");
            tx.commit();
        } catch (HibernateException e){
            e.printStackTrace();
            try{
                tx.rollback();
            } catch (HibernateException e1){
                e1.printStackTrace();
            }
        } finally{
        }
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="show_sql">true</property>
<property name="dialect">
org.hibernate.dialect.Oracle10gDialect
</property>
<property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="connection.url">jdbc:oracle:thin:@127.0.0.1:1521:ORCL</property>
<property name="connection.username">sms</property>
<property name="connection.password">sms</property>
<property name="dbcp.maxActive">100</property>
<property name="dbcp.whenExhaustedAction">1</property>
<property name="dbcp.maxWait">60000</property>
<property name="dbcp.maxIdle">10</property>
<property name="dbcp.ps.maxActive">100</property>
<property name="dbcp.ps.whenExhaustedAction">1</property>
<property name="dbcp.ps.maxWait">60000</property>
<property name="dbcp.ps.maxIdle">10</property>
<mapping resource="com/imti/sysmgr/po/OperatorPO.hbm.xml" />
<mapping resource="com/imti/sysmgr/po/ResourcePO.hbm.xml" />
<mapping resource="com/imti/sysmgr/po/RoleRightPO.hbm.xml" />
</session-factory>
</hibernate-configuration>