ordersdao.java

struts+Spring+Hibernate经典入门源码

package com.softeem.orders.model;

import java.util.ArrayList;
import java.util.List;

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

import com.softeem.customer.pojo.Orders;

public class OrdersDAO {

	private SessionFactory sessionFactory;
	
	
	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	public List findAll() {
		List list = new ArrayList();
		Session session = sessionFactory.openSession();
		Query query = session.createQuery("from Orders");
		list = query.list();
		session.close();
		return list;
	}
	
	public Orders findById(int id) {
		Orders pojo = new Orders();
		Session session = sessionFactory.openSession();
		pojo = (Orders) session.get(Orders.class, id);
		session.close();
		return pojo;
	}

	public void save(Orders cus) {
		Session session = sessionFactory.openSession();
		Transaction tran = session.beginTransaction();
		session.save(cus);
		tran.commit();
		session.close();

	}

	public void update(Orders cus) {
		Session session = sessionFactory.openSession();
		Transaction tran = session.beginTransaction();
		session.update(cus);
		tran.commit();
		session.close();

	}

	public void delete(String[] ids) {
		Session session = sessionFactory.openSession();
		Transaction tran = session.beginTransaction();
		for (int i = 0; i < ids.length; i++) {
			// Orders pojo=(Orders) session.get(Orders.class,
			// Integer.parseInt(ids[i]));
			Orders pojo = new Orders();
			pojo.setId(Integer.parseInt(ids[i]));
			session.delete(pojo);
		}
		tran.commit();
		session.close();
	}
	
	public static void main(String[] args) {
		OrdersDAO dao = new OrdersDAO();
		List list = dao.findAll();
		System.out.println(list.size());
	}
}