studentdao.java

来自「简的struts+hibernate+spring例子。对想学习ssh的人来说还」· Java 代码 · 共 37 行

package com.softeem.hibernate.dao;

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

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

public class StudentDAO {

	private SessionFactory sessionFactory;

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

	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	public List findAll() {
		List list = new ArrayList();
		Session session = sessionFactory.openSession();
		Query query = session.createQuery("from Student");
		list = query.list();
		session.close();
		return list;
	}

	public static void main(String[] args) {
		StudentDAO dao = new StudentDAO();
		List list = dao.findAll();
		System.out.println(list.size());
	}
}