orderdaoimpl.java

非常经典的ssh整合实例

package com.briup.dao.impl;

import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import org.hibernate.Query;
import org.hibernate.Session;

import com.briup.bean.Book;
import com.briup.bean.Orderform;
import com.briup.common.HibernateSessionFactory;
import com.briup.dao.IOrderDao;

public class OrderDaoImpl implements IOrderDao {

	public void deleteOrder(Long orderid) throws Exception {
		Session session=HibernateSessionFactory.getSession();
		//Orderform order=new Orderform();		
		//order.setId(orderid);
		Orderform order=(Orderform)session.get(Orderform.class, orderid);
		session.delete(order);
		
	}

	public Map<Long,Orderform> findAllOrder(Long customerid) throws Exception {
		Session session=HibernateSessionFactory.getSession();
		Query query=session.createQuery("from Orderform o where o.customer.id="+customerid);
		List list=query.list();
		Map<Long,Orderform> orderforms=new TreeMap<Long,Orderform>();
		Iterator iter=list.iterator();
		while(iter.hasNext()){
			Orderform orderform=(Orderform)iter.next();
			orderforms.put(orderform.getId(),orderform);
		}
		return orderforms;
	}

	public Orderform findOrderById(Long orderid) throws Exception {
		Session session=HibernateSessionFactory.getSession();
		Orderform orderform=(Orderform)session.get(Orderform.class, orderid);
      //Orderform orderform=(Orderform)session.createQuery("from Orderform where id="+orderid).uniqueResult();
		return orderform;
	}

	public void saveOrder(Orderform order) throws Exception {
		Session session=HibernateSessionFactory.getSession();
		session.save(order);
	}

	public Map<Long,Book> findAllBook() throws Exception {
		Session session=HibernateSessionFactory.getSession();
		Query query=session.createQuery("from Book");
		List list=query.list();
		Map<Long,Book> books=new TreeMap<Long,Book>();
		Iterator iter=list.iterator();
		while(iter.hasNext()){
			Book book=(Book)iter.next();
			books.put(book.getId(),book);
		}
		return books;
	}

}