通过Hibernate配置文件自动生成数据库表

package test;


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 Test {
	


		
			static Session session;

		    static Configuration config = null;
		    static Transaction tx = null;

		    public static void main(String[] args){
		    
		        try{
		            config = new Configuration().configure(new File(
		                    "src/hibernate.cfg.xml"));

		            System.out.println("begin:");

		            SessionFactory sessionFactory = config.buildSessionFactory();
		            session = sessionFactory.openSession();
		            tx = session.beginTransaction();

		            SchemaExport schemaExport = new SchemaExport(config);
		            schemaExport.create(true, true);

		            System.out.println("finsh.");

		            tx.commit();

		        } catch (HibernateException e){
		            e.printStackTrace();
		            try{
		                tx.rollback();
		            } catch (HibernateException e1) {
		                e1.printStackTrace();
		            }
		        } finally{

		        }
		    }

		
}