dz中ajax及验证码的使用

php部分
<?php
/*
 [Discuz!] (C)2001-2009 Comsenz Inc.
 This is NOT a freeware, use is subject to license terms
 $Id: register.php 21057 2009-11-10 01:05:36Z monkey $
*/
define('CURSCRIPT', 'register2');
define('NOROBOT', TRUE);
require_once './include/common.inc.php';
$seccodecheck = $seccodestatus & 1;
if(!submitcheck('submit1', 0, $seccodecheck, $secqaacheck)) {
 $seccodecheck = 1;
 include template('register2');
} elseif ($test1=='test1') {
 showmessage($hidden1);
} else {
 
echo "<script>alert(9);parent.location='/index.php'</script>";exit;
}
?>
html部分 register2.htm
{template header}
  <span id="showinfo">showinfo</span>
  <form method="post" name="register" id="registerform" onsubmit="ajaxpost('registerform', 'showinfo', 'showinfo', 'onerror');return false;" action="register2.php?submit1=yes">
     <input type="hidden" name="formhash" value="{FORMHASH}" />
     <input type="hidden" name="hidden1" value="hidden1">
   <input type="text" name="test1">
   <div class="regsec"><label style="display:inline"><em>{lang memcp_profile_security_check}: </em>{subtemplate seccheck}</label></div>
   <input type="submit" value="submit" name="submit1"/>
  </form>
{template footer}