commentdao.java

点餐系统 非常好的 jsp mysql 我也是别人那里下载来的

package com.accp.dao;

import java.util.List;

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

public class CommentDAO {
	public List getAllcomments()
	{
		
		try {
			Session session =HibernateSessionFactory.getSession();
			String hql="from Comment";
			//Comment是PoJo类的类名（需与PoJo类的类名相同）
			Query query=session.createQuery(hql);
			return query.list();			
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
	public void delcommentByid(String did)
	{
		try {
			Session session=HibernateSessionFactory.getSession();
			Transaction tx=session.beginTransaction();
			Comment cm=(Comment)session.load(Comment.class, new Integer(did));
			
			
		} catch (Exception e) {
			e.printStackTrace();
			// TODO: handle exception
		}
	}
	

}