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

Hypertext transfer protocol, HTTP is a connectionless text depend protocol....

HTTP is a connectionless text depend protocol. Clients (web browsers) send requests to web servers for web elements like web pages and images. After the request is serviced through

I want a video player thumbnail script, Video player/thumbnail swap-out scr...

Video player/thumbnail swap-out script needed I want a video player thumbnail script. There will be one big, main video, adjacent to either three or four thumbnails of other vid

We are in need of social network design from ground up, We are in need of S...

We are in need of Social Network Design from Ground Up - No Framework We are in search of a company that can create a social network site from the ground up using the latest tec

Web development for art website, Web development for company We need to ...

Web development for company We need to build a website for a start-up company doing event planning relating to fashion and arts. In this website we would like to have the follow

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 to create web chat application, We need to create Web Chat Applicat...

We need to create Web Chat Application Please read project requirements- general info- Its web chat application which supports audio as well as video chat - I do not want

Explain the purpose of a wsdl document, Question: (a) Give three typic...

Question: (a) Give three typical uses of Web Services. (b) Explain any five attributes used by Regular Expression Pattern in a WSDL document. (c) Explain the purpose o

Test links in dreamweaver, In Dreamweaver you cannot test your links; you s...

In Dreamweaver you cannot test your links; you should check your links in a browser to make sure the pages operate as you expect. 1. Press F12 to preview the page in a brow

I need to optimize wordpress website, I need to Optimize Wordpress Website ...

I need to Optimize Wordpress Website and connect w. WHMCS We have a WHMCS as well as a Wordpress site, that are connected. Though we would like a specialist that will optimize a

Web app on ruby on rails, WEB APP Laravel PHP, MongoDB, Python Flask, An...

WEB APP Laravel PHP, MongoDB, Python Flask, AngularJS, Celery or Gevent, Bootstrap, But I am likewise open to Ruby On Rails or other tech if reasoning is clear. Desired Skill

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