聊天室phpmysql(二)

//第二页面 name="frame2.php" <? include "../signup/mysql.php"; header("Expires: Sun, 28 Dec 1997 09:32:45 GMT"); header("Cache-Control: no-cache, must-revalidate"); header("Pragma: no-cache"); header("Content-Type: text/html; charset=${Charset}"); $current_time=time(); $delete_time=$current_time-40