userdaoimpl.java

整合了struts2+spring+hibernate的一个登陆/注册的小demo

package gym.dao.impl;

import java.util.List;

import gym.dao.UserDAO;
import gym.po.Users;

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

public class UserDAOImpl extends HibernateDaoSupport implements UserDAO {

	public void delete(Long id) {
		getHibernateTemplate().delete(getHibernateTemplate().get(Users.class, id));
	}

	public void delete(Users user) {
		getHibernateTemplate().delete(user);
	}

	public List<Users> findAll() {
		
		List<Users> userList = getHibernateTemplate().find("from Users");
		
		return userList;
	}

	public Users findUserByName(String username) {
		
		List<Users> userList = getHibernateTemplate().find("from Users u where u.username=?",username);
		
		if(null != userList && userList.size() >=1)
			return userList.get(0);
		
		return null;
		
	}

	public Users findUserByNameAndPwd(String username, String password) {
		
		List<Users> userList = getHibernateTemplate().find("from Users u where u.username=? and u.password=?",new String[]{username,password});
		
		if(null != userList && userList.size() >= 1)
			return userList.get(0);
		
		return null;
	}

	public Users get(Long id) {
		
		return (Users)getHibernateTemplate().get(Users.class, id);
	}

	public void save(Users user) {
		getHibernateTemplate().save(user);
	}

	public void update(Users user) {
		getHibernateTemplate().update(user);
	}

}