logindao.java

用ajax在ssh框架下发挥

package com.news.dao.impl;

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

import javax.servlet.http.HttpSession;

import org.hibernate.Query;
import org.hibernate.classic.Session;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.news.bean.Adminuser;
import com.news.dao.IloginDao;
import com.news.struts.form.LoginForm;

public class LoginDao extends HibernateDaoSupport implements IloginDao{
	public String validateUser(LoginForm loginForm,HttpSession s){
		String str ;
		String name = loginForm.getName();
		String pwd = loginForm.getPassword();
		String hql = "from Adminuser where name = ? and password = ?";
		String rand = (String) s.getAttribute("rand");
		Session hibs = getHibernateTemplate().getSessionFactory().openSession();
		Query q = hibs.createQuery(hql);
		q.setParameter(0,name);
		q.setParameter(1,pwd);
		List list = q.list();
		if(list.size()<=0){
			str = "faile";
			return str;
		}
		
		if(!loginForm.getRandInput().equals(rand)||loginForm.getRandInput()==null||loginForm.getRandInput().equals("")){
			str = "faile";
			loginForm.setRandInput(null);
			return str;
		}
		
		str = "typeok";
		List adminList = new ArrayList();
		for(int i=0;i<list.size();i++){
			Adminuser admin = (Adminuser) list.get(i);
			adminList.add(admin);
		}
		s.setAttribute("admin",adminList);
		s.removeAttribute("rand");
		hibs.close();
		return str;
	}
}