<?php$link=mysql_connect("localhost","root","123456") or die("無法連接");if(!$link){echo "MySQL連線失敗<br>";}else {echo "MySQL連線成功<br>";}$db=mysql_select_db("school");if(!$db){echo "資料庫連線失敗";}else {echo "資料庫連線成功";}mysql_close($link);?>