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xajax的FORM例子
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代码如下:<?php
// 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 = "<form id=\"signupForm\" action=\"javascript:void(null);\" onsubmit=\"submitSignup();\">";
$sForm .="<div>First Name:</div><div><input type=\"text\" name=\"firstName\" /></div>";
$sForm .="<div>Last Name:</div><div><input type=\"text\" name=\"lastName\" /></div>";
$sForm .="<div>Email:</div><div><input type=\"text\" name=\"email\" /></div>";
$sForm .="<div class=\"submitDiv\"><input id=\"submitButton\" type=\"submit\" value=\"done\"/></div>";
$sForm .="</form>";
$objResponse->addAssign("formDiv","innerHTML",$sForm);
$objResponse->addAssign("formWrapper","style.backgroundColor", "rgb(67,149,97)");
$objResponse->addAssign("outputDiv","innerHTML","\$_SESSION:<pre>".var_export($_SESSION,true)."</pre>");
}
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.<br />Thank you.";
$objResponse->addAssign("formDiv","innerHTML",$sForm);
$objResponse->addAssign("formWrapper","style.backgroundColor", "rgb(67,97,149)");
$objResponse->addAssign("outputDiv","innerHTML","\$_SESSION:<pre>".var_export($_SESSION,true)."</pre>");
}
else
{
$objResponse->addAssign("submitButton","value","done");
$objResponse->addAssign("submitButton","disabled",false);
}
return $objResponse->getXML();
}
$xajax = new xajax();
//$xajax->debugOn();
$xajax->registerFunction("processForm");
$xajax->processRequests();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<?php $xajax->printJavascript(); ?>
<style type="text/css">
#formWrapper{
color: rgb(255,255,255);
background-color: rgb(149,67,97);
width: 200px;
}
#title{
text-align: center;
background-color: rgb(0,0,0);
}
#formDiv{
padding: 25px;
}
.submitDiv{
margin-top: 10px;
text-align: center;
}
</style>
<script type="text/javascript">
function submitSignup()
{
xajax.$('submitButton').disabled=true;
xajax.$('submitButton').value="please wait...";
xajax_processForm(xajax.getFormValues("signupForm"));
return false;
}
</script>
</head>
<body>
<div id="formWrapper">
<div id="title">Create a New Account</div>
<div id="formDiv">
<form id="signupForm" action="javascript:void(null);" onsubmit="submitSignup();">
<div>Username:</div><div><input type="text" name="username" /></div>
<div>Password:</div><div><input type="password" name="newPass1" /></div>
<div>Confirm Password:</div><div><input type="password" name="newPass2" /></div>
<div class="submitDiv"><input id="submitButton" type="submit" value="continue ->"/></div>
</form>
</div>
</div>
<div id="outputDiv">
</div>
</body>
</html>
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