HibernateUtil.java

package com.rlovep.utils;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;

public class HibernateUtil {
	private static SessionFactory sf=null;
	static{
		Configuration config=new Configuration();
		// 默认加载src/hibenrate.cfg.xml文件
		config.configure();  
		//创建serviceRegistry  代替buildSessionFactory()方法
   		ServiceRegistry serviceRegistry =new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();
   		// 创建session的工厂对象
   		sf = config.buildSessionFactory(serviceRegistry);
	}
	//获得session
	public static Session getsession(){
		//线程session
		return sf.getCurrentSession();
	}

}