xajax写的留言本

<? session_start(); require_once(“../conn/mysqlconn.php”); require_once(‘xajax.inc.php’); if(!isset($_SESSION[‘wid’])) { $_SESSION[‘wid’]=$_GET[“wid”]; } if(isset($_POST[‘content_4’])) { $con = new createdb; $con->createconn(); $con->mysql=”insert into content(webid,tallname,txtcon