purchasedao.java

基于Struts+Spring+Hibernate的航空票务系统

package com.yc.dao;
import org.hibernate.HibernateException;
import java.util.List;
import java.util.Iterator;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.Log;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.yc.model.Users;
import com.yc.model.Orderitems;
import com.yc.model.Orders;

public class PurchaseDao extends HibernateDaoSupport {
	
	private static final Log log=LogFactory.getLog(PurchaseDao.class);
	
	private String hql="from Orderitems";
	
	protected void initDao(){}
	
	public List getAllFlights()
	{
		List list=null;
		try
		{
			list=this.getHibernateTemplate().find(hql);
		}
		catch(HibernateException e)
		{
			log.error(e.getMessage());
			return null;
		}
		return list;
	}
	
	public boolean PurchaseFlight(Long uid,Long oid)
	{
		Orders order=new Orders();
		Users user=(Users)this.getHibernateTemplate().load(Users.class,uid);
		//新建一个航班日程安排实体对象
		Orderitems item=(Orderitems)this.getHibernateTemplate().save(order);
		order.setUser(user);
		order.setOrderitems(item);
		
		try
		{
			this.getHibernateTemplate().save(order);
		}
		catch(HibernateException e)
		{
			log.error(e.getMessage());
			return false;
		}
		return true;
	}

}