总是提示这样的出错： 1、Notice: Undefined index: page in d:\program files\easyphp1-7\www\session\index.php on line 11 2、Notice: Undefined variable: PHP_SELF in d:\program files\easyphp1-7\www\session\index.php on line 70 3、Notice: Undefined variable: PHP_SELF in d:\program files\easyphp1-7\www\session\index.php on line 72 　　　哪位高手能帮我看一下吗？小弟不胜感激。 <?php global $page,$queryString; $page = $_GET["page"]; $page_size=3; $mylink=mysql_connect("localhost","root",""); mysql_select_db("guest",$mylink); $sql="select * from guest order by time desc"; $result=mysql_query($sql); $message_count=mysql_num_rows($result); $page_count=ceil($message_count/$page_size); if ($page <= 0) $page=1; if($page >= $page_count) $page=$page_count; $offset=($page-1)*$page_size; $sql="select * from guest order by time desc limit $offset,$page_size"; $result =mysql_query($sql,$mylink); if ($result) { ?>