hibernate工具类

import org.hibernate.Session;
 import org.hibernate.SessionFactory;
 import org.hibernate.cfg.Configuration;/**
  * Hibernate的工具类
  * @author jt
  *
  */
 public class HibernateUtils {    public static final Configuration cfg;
     public static final SessionFactory sf;
     
     static{
         cfg = new Configuration().configure();
         sf = cfg.buildSessionFactory();
     }
     
     public static Session openSession(){
         return sf.openSession();
     }
 }