hibernateutil.java

毕业设计（模拟网络聊天工具而设计）

package qq.dao.hibernate;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {
	private static SessionFactory sf;
	static{
		try {
			sf=new Configuration().configure().buildSessionFactory();
		} catch (HibernateException e) {
			e.printStackTrace();
		}
	}
	
	public static Session getSession(){
		if(sf!=null){
			return sf.openSession();
		}else{
			return null;
		}
	}
}