userdaoimpl.java

使用JSF+Spring+Hibernate结合

package com.data.dao.impl;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.data.dao.IUserDao;
import com.web.bo.User;

public class UserDaoImpl extends HibernateDaoSupport implements IUserDao {

	public boolean addUser(User user) {
//		 增加新用户
		this.getHibernateTemplate().save(user);
		return true;

	}

	public boolean delUser(Integer uid) {
//		 删除一个用户
		User user=(User) this.getHibernateTemplate().load(User.class,uid);
		this.getHibernateTemplate().delete(user);
		return true;

	}

	public List getAllUser() {
//		 查询所有用户记录
		String hql="from User u";
		List users=this.getHibernateTemplate().find(hql);
		return users;

	}

	public User getUser(String username) {
//		 根据用户名得到 User 对像
		String hql="from User u where username=?";
		List users=this.getHibernateTemplate().find(hql,username);
		if(users.size()==1)
			return (User)users.get(0);
		return null;

	}

	public boolean updateUser(User user) {
//		 修改User
		this.getHibernateTemplate().update(user);
		return true;

	}

}