change quantity button cannot be functioned, PHP Web Programming

Assignment Help:
error_reporting(0);
session_start();
header(''Content-type: text/html; charset=utf-8'');
include_once(''../../xajax_core/xajax.inc.php''); // ?? xajax
$xajax = new xajax(); // ?? xajax ??

// ??????
$chaObj=$xajax->registerFunction(''change_quantity'');
$chaObj->useSingleQuote();
$chaObj->addParameter(XAJAX_FORM_VALUES,''form1'');
$xajax->processRequest(); // ????

$xajax->printJavascript();


//---------------------- ????? ---------------------
// ?????????????

function change_quantity($form) {

$objResponse = new xajaxResponse(); // ??????
// ???? Checkbox ??? p_id, ????, ??????
// ?????????? ''p_id'' ??, ??????????
// ????????

if(isset($form[''p_id''])) {
// ?????????????
foreach($form[''p_id''] as $p_id) {
// ???????????????
if($form[''qua''][$p_id]==''0'') {
// ???????? 0, ????????????
unset($_SESSION[''cart''][$p_id]);

if(count($_SESSION[''cart''])==0) { // ????????
$objResponse-> // ?????
script(''alert("cart has no items");window.close();'');
unset($_SESSION[''cart'']);
}
else { // ???????????
// ?????????????
$objResponse->remove($p_id);

// ???????????
$objResponse->assign(''total'',''innerHTML'',gettotal());
}
}
else if ($form[''qua''][$p_id]>0) {
// ????? 0 ??, ?????????????
$_SESSION[''cart''][$p_id][''quantity''] = $form[''qua''][$p_id];

// ??????, ?????????????????
$objResponse->assign(''sub['' . $p_id . '']'', ''innerHTML'',
$_SESSION[''cart''][$p_id][''quantity''] *
$_SESSION[''cart''][$p_id][''price'']);
$objResponse->assign(''total'',''innerHTML'',gettotal());
}
else {
// ??????, ?????????
$objResponse->assign(''qua['' . $pid . '']'', ''innerHTML'',
$_SESSION[$pid][''quantity'']);
}
}
}
return $objResponse; // ??????
} // ???? change_quantity() ??

// ????????
function getTotal() {
$total = 0;
foreach($_SESSION[''cart''] as $p_id => $item)
$total += ($item[''quantity''] * $item[''price'']);

return $total;
}


//---------------------- ??? HTML ---------------------
// ?????????, ?????????????????
if( !isset($_SESSION[''cart'']) ) { // ???????
echo "";
exit();
}
?>
?????




printJavaScript(''/''); ?>





cellspacing="0" cellpadding="2"
style="text-align:center;border:1px solid silver">













// ?????????
$total = 0;
foreach($_SESSION[''cart''] as $p_id => $item) {
// ???? id ???? $p_id, ???????
echo "\n";
echo "\n";
echo "\n";
echo "\n";
echo "\n";
echo "";
echo "\n";
echo "\n";
}
?>




cart
all

onClick="select_all(''form1'',''p_id[]'',this.name);">
product name unit price quantity subtotal
" .
" $p_id . "''>
" . $item[''name''] . "" . $item[''price''] . "×" .
" value=''" . $item[''quantity''] . "'' size=''3''>
=" .""."
total:













onClick="settozero(''form1'',''p_id[]'')">

onClick="xajax_change_quantity(xajax.getFormValues(''form1''))">

onClick="window.close();">

onClick="location.href=''checkout.php'';">



Related Discussions:- change quantity button cannot be functioned

Need help to fix virus and spam crash prevention, Need help to fix Virus an...

Need help to fix Virus and spam crash prevention Problem resurfaced with the GEG site. Site down since this morning by network solutions. Can you help us? Desired Skills are

Wordpress plugin configuration as well as customizations, Wordpress Plugin ...

Wordpress Plugin Configuration as well as Customizations I want help configuring a plugin correctly (Social Review Engine Plugin) in my Wordpress site. The plugin is previously

We need help in mobile punch card builder, We need help in Mobile Punch Car...

We need help in Mobile Punch Card Builder I have a mobile site builder platform which I would like users to as well be able to create mobile punch cards (punches) & Rewards poin

Need experienced wordpress developer to work on our site, Need Experienced ...

Need Experienced Wordpress Developer to Work on Our Site We are in search of an experienced as well as somebody with advanced level of Wordpress familiarity to help us with your

We need to develop a number recognition from image in php, We need to devel...

We need to develop a Number recognition from image (OCR) in PHP We want a piece of code that can analyze an image and read the numbers in the image and return these as text. The

Need help in magento dynamic png image generation, Magento Dynamic png imag...

Magento Dynamic png image generation for a vinyl lettering website I need to create dynamic png image generation for a vinyl lettering website. Requirements- 1) Dynamicall

Need help to add a form on a joomla website, Need help to Add a form on a J...

Need help to Add a form on a Joomla website We need to add a form on the home page of an existing Joomla website, just like on file in attachment, and then the info's will be sa

What do you understand by the term open source, (a) Briefly outline the co...

(a) Briefly outline the concept of the Three-tier architecture. (b) What do you understand by the term Open Source? How does Open Source Software differ from Proprietary Sof

Create a web page that prompt the user for input, Overview Web pages often...

Overview Web pages often need to prompt the user for input and that input will then need to be uploaded to the server, processed, possibly stored, and then some appropriate result

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd