php 联接access

php 连接access
$db = '\rs\guest\guestbook.mdb';
$conn = new COM('ADODB.Connection');
$conn->Open("DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=$db");
?>
我这里那里错了啊
D:\AppServ\www\rs\guest 数据库在这个目录

我一定要用相对路径


------解决方案--------------------
把$db = '\rs\guest\guestbook.mdb'; 改成$db = realpath('\rs\guest\guestbook.mdb');试试

PHP code

<?php $db = realpath('\rs\guest\guestbook.mdb');$conn = new com("ADODB.Connection");$connstr = "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=".realpath("data/phone.mdb");$conn->Open($connstr);?><div class="clear">
                 
              
              
        
            </div>

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