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

Create a date instance, The Date object is utilized to work with dates & ti...

The Date object is utilized to work with dates & times. Creating a Date Instance You must create an instance of the Date object along with the "new" keyword. The following

Php expert programmer needed for web development, PHP expert programmer nee...

PHP expert programmer needed for web development I in search of a PHP expert Programmer. Smart and problem solving oriented Expert in improving performance for large sites. D

Does udp provide any security feature for mip, Question: a) An applica...

Question: a) An application sends a message which is 3400 bytes long. It sends the data as one UDP datagram. The message is then transferred from a sender to a receiver over t

Need help to develop map-based community website, Develop Map-based communi...

Develop Map-based community website Community website allowing registered users as well as non-registered guests to post their location on a Google map. Visitors can then search

Create a connection string to connect to database, Question: (a) What ...

Question: (a) What will be the output of the following extract codes? Describe fully how the program operates. $states_of_the_USA = array (1 => "Alabama", "Alaska", "Arizo

We need a developer for web app, We need a developer for web app We are ...

We need a developer for web app We are looking for a full stack developer or a team for building our web application. I want to import CSV files as well as output Excel spreadsh

I need help in website online designer work, I need help in Website Online ...

I need help in Website Online Designer Work I have a website that I paid to get done about three years ago and really have not been able to use it because it doesn't work proper

Need help in online food delivery web, Need help in Online food delivery we...

Need help in Online food delivery web Not a usual online food delivery web. We want develop the web user interface as well as functionality from MySQL EER diagram model. Job

Need magneto development for changes to a custom module, Magneto Developmen...

Magneto Development - Changes to a custom module We are consist an Instagram image upload module built for our Magneto based website. The developer of this module is no longe

Need small five page website in wordpress, Small five page website in wordp...

Small five page website in wordpress (PSD I will supply of each page) I want to develop a small website in wordpress with required these tasks. I will source all pages design in

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