userdaohibernate.java

时尚数码平台登录模块 strut2+hibernate整合 四层架构 底层数据库层 DAO server层 表现层

package com.djj.dao.impl;

import java.util.Iterator;
import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.djj.dao.UserDao;
import com.djj.model.HibernateSessionFactory;
import com.djj.model.User;

public class UserDaoHibernate extends HibernateDaoSupport implements UserDao {

	public User getUser(int id) {
		HibernateTemplate template = getHibernateTemplate();
		
		return (User)template.get(User.class, id);
	}
	
//	public void insert(User user) {
//		HibernateTemplate template = getHibernateTemplate();
//		template.save(user);
//		
//	}
    public Iterator<List> select()
    {
    	SessionFactory sessionfactory = new  Configuration().configure().buildSessionFactory();
    	Session session =sessionfactory.openSession();
    	String hql = "from User";
    	Transaction tx = session.beginTransaction();
    	Query query = session.createQuery(hql);
    	Iterator<List> p = query.iterate();
    	
//    	while(p.hasNext())
//    	{
//    	  User u = (User)p.next();
//    	  System.out.println("username------"+u.getUsername());
//    	  System.out.println("password------"+u.getPassword());
//    	  System.out.println("rePassword------"+u.getRePassword());
//    	  System.out.println("email------"+u.getEmail());
//    	  System.out.println("reEmail------"+u.getReEmail());
//    	  System.out.println("sex------"+u.getSex());
//    	  
//    	}
    	return p;
    }
//	public List select() {
//		HibernateTemplate template = getHibernateTemplate();
//		return template.find("from User");
//	}
	public void insert(User user){
		SessionFactory sessionfactory = new  Configuration().configure().buildSessionFactory();
		Session session =sessionfactory.openSession();
		//Session session = HibernateSessionFactory.getSession();
		Transaction t = session.beginTransaction();
		session.save(user);
		t.commit();
		HibernateSessionFactory.closeSession();
		}
//	public static void main(String args[])
//	{
//		UserDaoHibernate obj = new UserDaoHibernate();
//		obj.select();
//	}
}