本篇内容介绍了“如何使用xajax的FORM函数”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

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代码如下:

// signup.php
// demonstrates a simple multipage form using xajax
// and the xajax.getFormValues() function.
// using xajax version 0.1 beta4
// http://xajax.sourceforge.net
session_start();
include ("xajax.inc.php");
function processForm($aFormValues)
{
        if (array_key_exists("username",$aFormValues))
        {
                return processAccountData($aFormValues);
        }
        else if (array_key_exists("firstName",$aFormValues))
        {
                return processPersonalData($aFormValues);
        }
}
function processAccountData($aFormValues)
{
        $objResponse = new xajaxResponse();
        $bError = false;
        if (trim($aFormValues['username']) == "")
        {
                $objResponse->addAlert("Please enter a username.");
                $bError = true;
        }
        if (trim($aFormValues['newPass1']) == "")
        {
                $objResponse->addAlert("You may not have a blank password.");
                $bError = true;
        }
        if ($aFormValues['newPass1'] != $aFormValues['newPass2'])
        {
                $objResponse->addAlert("Passwords do not match.  Try again.");
                $bError = true;
        }
        if (!$bError)
        {
                $_SESSION = array();
                $_SESSION['newaccount']['username'] = trim($aFormValues['username']);
                $_SESSION['newaccount']['password'] = trim($aFormValues['newPass1']);
                $sForm = "

";
                $sForm .="

First Name:

";
                $sForm .="

Last Name:

";
                $sForm .="

Email:

";
                $sForm .="

";
                $sForm .="

";
                $objResponse->addAssign("formDiv","innerHTML",$sForm);
                $objResponse->addAssign("formWrapper","style.backgroundColor", "rgb(67,149,97)");
                $objResponse->addAssign("outputDiv","innerHTML","\$_SESSION:

".var_export($_SESSION,true)."

");
        }
        else
        {
                $objResponse->addAssign("submitButton","value","continue ->");
                $objResponse->addAssign("submitButton","disabled",false);
        }
        return $objResponse->getXML();
}
function processPersonalData($aFormValues)
{
        $objResponse = new xajaxResponse();
        $bError = false;
        if (trim($aFormValues['firstName']) == "")
        {
                $objResponse->addAlert("Please enter your first name.");
                $bError = true;
        }
        if (trim($aFormValues['lastName']) == "")
        {
                $objResponse->addAlert("Please enter your last name.");
                $bError = true;
        }
        if (!eregi("^[a-zA-Z0-9]+[_a-zA-Z0-9-]*(\.[_a-z0-9-]+)*@[a-z??????0-9]+(-[a-z??????0-9]+)*(\.[a-z??????0-9-]+)*(\.[a-z]{2,4})$", $aFormValues['email']))
        {
                $objResponse->addAlert("Please enter a valid email address.");
                $bError = true;
        }
        if (!$bError)
        {
                $_SESSION['newaccount']['firstname'] = $aFormValues['firstName'];
                $_SESSION['newaccount']['lastname'] = $aFormValues['lastName'];
                $_SESSION['newaccount']['email'] = $aFormValues['email'];
                $objResponse->addAssign("formDiv","style.textAlign","center");
                $sForm = "Account created.
Thank you.";
                $objResponse->addAssign("formDiv","innerHTML",$sForm);
                $objResponse->addAssign("formWrapper","style.backgroundColor", "rgb(67,97,149)");
                $objResponse->addAssign("outputDiv","innerHTML","\$_SESSION:

".var_export($_SESSION,true)."

");
        }
        else
        {
                $objResponse->addAssign("submitButton","value","done");
                $objResponse->addAssign("submitButton","disabled",false);
        }
        return $objResponse->getXML();
}
$xajax = new xajax();
//$xajax->debugOn();
$xajax->registerFunction("processForm");
$xajax->processRequests();
?>

                printJavascript(); ?>
               
               
       
       
               
               
       

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