package cn.mldn.lxh.note.dao.impl ;

import java.sql.* ;
import cn.mldn.lxh.note.vo.* ;
import cn.mldn.lxh.note.dbc.* ;
import cn.mldn.lxh.note.dao.* ;

public class PersonDAOImpl implements PersonDAO
{
	/*
		功能：
			· 判斷是否是正確的用戶名或密碼
			· 從數(shù)據(jù)庫(kù)中取出用戶的真實(shí)姓名
	*/
	public boolean login(Person person) throws Exception
	{
		boolean flag = false ;
		String sql = "SELECT name FROM person WHERE id=? and password=?" ;
		PreparedStatement pstmt = null ;
		DataBaseConnection dbc = null ;
		dbc = new DataBaseConnection() ;
		try
		{
			pstmt = dbc.getConnection().prepareStatement(sql) ;
			pstmt.setString(1,person.getId()) ;
			pstmt.setString(2,person.getPassword()) ;
			ResultSet rs = pstmt.executeQuery() ;
			if(rs.next())
			{
				flag = true ;
				person.setName(rs.getString(1)) ;
			}
			rs.close() ;
			pstmt.close() ;
		}
		catch (Exception e)
		{
			throw new Exception("操作出現(xiàn)錯(cuò)誤！！！") ;
		}
		finally
		{
			dbc.close() ;
		}
		
		return flag ;
	}
};