package com.lqx.util;

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

public class HibernateUtil {
	
	
	//声明一个私有的静态final类型的Configuration对象
	private static final Configuration config;
	//声明一个私有的静态final类型的SessionFactory对象
	private static final SessionFactory factory;
	//通过静态代码块构建sessionFactory
	static {
		
		config=new Configuration().configure();
		
		factory=config.buildSessionFactory();
		
	}

	//提供一个公有的静态方法供外部访问，并返回一个session对象
	
	public static Session getSession() {
		
		return factory.openSession();
	}
	

}