luser.java

在线模拟选课系统

/*
 * This product includes software developed by the
 * Apache Software Foundation (http://www.apache.org/).
 */
package ch07.logic;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.*;

import javax.servlet.http.HttpSession;

import ch07.*;
import ch07.global.GlobalObjectProvider;
import ch07.object.unit.*;
import ch07.database.*;

/**
 * 针对用户相关的逻辑处理类
 * @author ShenYK
 * @version 1.0
 */
public class LUser
{
    public User getUserInfo ( String username, 
                               String password )
        throws Exception
    {
        //校验用户输入信息
        DUser dUser = (DUser)GlobalObjectProvider.getDatabaseService(CommonConst.DATABASE_KEY_USER);
        //如果对应的类没有的话,报错并返回login页面
        if ( dUser == null )
        {
            throw new Exception("对应的数据操作类没有找到！");
        }
        User oUser = dUser.getUserInfo( username, password );
        return oUser;
    }
}