persondaoimpl.java

来自「java 框架核心技术编程」· Java 代码 · 共 39 行

package cn.mldn.lxh.login6.impl;

import java.util.Iterator;

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

import cn.mldn.lxh.login6.dao.PersonDAO;
import cn.mldn.lxh.login6.factory.DefaultSessionFactory;
import cn.mldn.lxh.login6.vo.Person;

public class PersonDAOImpl implements PersonDAO {
	private Session session;

	public PersonDAOImpl() {
		this.session = DefaultSessionFactory.getSession();
	}

	public boolean isLogin(Person person) throws Exception {
		boolean flag = false;
		String hql = "FROM Person AS p WHERE p.id=? AND p.password=?";
		Query q = this.session.createQuery(hql);
		// 设置查询参数
		q.setString(0, person.getId());
		q.setString(1, person.getPassword());
		Iterator iter = q.list().iterator();
		if (iter.hasNext()) {
			// 修改成功标记
			flag = true;
			// 从查找出的对象取出名字
			person.setName(((Person) iter.next()).getName());
		}
		// 关闭session连接
		this.session.close() ;
		return flag;
	}

}