loginlogic.java

网上选课系统 供学习用 初学者可以看看 各种功能还算完善吧

package com.student.logic;
import java.util.*;
import com.student.dao.*;
import com.student.vo.*;
public class LoginLogic {
    private HbmDAO dao;
    public LoginLogic() {
        dao = new HbmDAO();
        dao.setAutoClose(false);
    }
    public User passOrNot(String username,String password)
    {

        String str = "select u from User as u where u.userName=? and u.passWord=?";
        String para[] = {username,password};
        List users = dao.list(str,para);
        if(users.size()>0)
        {
            User user = new User();
            user = (User)users.get(0);
            return user;
        }
        return null;
    }
    public void closeDAO()
    {
        dao.closeSession();
        dao = null;
    }

}