基于SSH框架的登录程序开发与分析

package com.dao.impl; import java.util.List; import com.dao.UserDAO; import com.bean.User; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; public class UserDAOImpl extends HibernateDaoSupport implements UserDAO { public void delete(Integer id) { // TODO Auto-generated method stub getHibernateTemplate().delete(getHibernateTemplate().get(User.class , id)); } public void delete(User user) { // TODO Auto-generated method stub getHibernateTemplate().delete(user); } public List<User> findAll() { // TODO Auto-generated method stub return getHibernateTemplate().find("from test"); } public User findUserByNameAndPass(String username, String password) { // TODO Auto-generated method stub System.out.println("验证用户22222222"); //delete(1); //从数据库的test表中，成功删除一条记录 //String[] args = {username , password}; System.out.println("成功123abc"); List ul = getHibernateTemplate().find("from com.bean.User au where au.username = '"+ username+"' and au.password = '"+ password+"'"); if (ul.size() == 1) { System.out.println("OK 123abc"); return (User)ul.get(0); } return null; } public User get(Integer id) { // TODO Auto-generated method stub return (User)getHibernateTemplate().get(User.class , id); } public void save(User user) { // TODO Auto-generated method stub getHibernateTemplate().save(user); } public void update(User user) { // TODO Auto-generated method stub getHibernateTemplate().saveOrUpdate(user); } }