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

Want help to customize wordpress theme, Customize Wordpress theme I will...

Customize Wordpress theme I will buying theme (unless you own it) a) The theme needs to be customized b) A few hours of light graphic work c) Customizing the sidebar (l

Need a custom type of input control which is a tree view, Jaspersoft: Custo...

Jaspersoft: Custom Input Control: Tree View For a fresh project we urgently need a custom type of Input Control which is a tree view. we have the subsequent table structure (

Serbian php developer wanted for long terms, Serbian PHP Developer wanted >...

Serbian PHP Developer wanted > Must be creative with UI Experience, etc We are interested for a RESPONSIBLE as well as well-organized programmer with the following requirements

Want a web programmer who understands conversion, Want a Web Programmer Who...

Want a Web Programmer Who Understands Conversion Want a developer who can get handed a site project as well as bring it to completion quickly. Steady work someone who is moti

Need ajax experienced expert as well as expert developer, PrestaShop | PHP ...

PrestaShop | PHP | JavaScript | jQuery Developer needed Want a PrestaShop | PHP | JavaScript | jQuery | Ajax experienced as well as expert developer. Following things want to be

Standard internet protocol, FTP (File Transfer Protocol), a standard Intern...

FTP (File Transfer Protocol), a standard Internet protocol. This is the simplest way to exchange files among computers on the Internet. FTP is an application protocol which uses th

Difference between b2c and b2b business strategies, Question: (a) A co...

Question: (a) A company would like to extend its business over the internet. List the needed steps for that to happen. (b) Describe, with the aid of examples, the differenc

In search of experienced cake php coder to help in launch, In search of exp...

In search of experienced Cake PHP coder to help in launch of new site We are seeking someone to assist our small team of developers to handle minor code tweaks as well as error

Presentation layer - osi model layer, Presentation layer: While two hosts ...

Presentation layer: While two hosts are communicating with each other they might employ distinct coding standards & character sets for internally representing data. This layer is

Wordpress website redesign and integrations needed, Wordpress website redes...

Wordpress website redesign and integrations (PHP) We want to redesign our wordpress site with our very own custom template. There are as well several integrations with services,

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