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

I need help in wpmu appointment and customization, I need help in WPMU Appo...

I need help in WPMU Appointment and Customization I have a want for a ninja developer who knows the ins/outs of Appointment and can do the customization below- a) Facility to

Design a preliminary homepage , A. Design a preliminary homepage called "c...

A. Design a preliminary homepage called "cssprelimI.htm". It should be similar in layout to the example below, but you may use your own content. 1) Have a banner across the to

I need a help in css responsive site, I need a help in CSS responsive site ...

I need a help in CSS responsive site CSS responsive to convert site in to responsive Job Description- I have some web sites which want attention and I would like to work o

Wordpress developer needed for website, WordPress Developer Needed for webs...

WordPress Developer Needed for website We are in search of individuals. I want to be capable to talk to my developer directly. You will be accountable for taking psd files and m

Api replication required, Project Description: Want an API expert to aid...

Project Description: Want an API expert to aid in application development in regards to API extraction, and injection into other sites, as the main site is updated. Do not bid i

Build an online website program to integrate software, Simple user friendly...

Simple user friendly webpage that will replace a hotel reception on a basic scale for normal check-ins and check outs. Hotel Software experience a vital part. To chiefly buil

We need a web developer, We need a web developer We have a very modest t...

We need a web developer We have a very modest three page site on go daddy and just want someone to design it through the go daddy site. We as well would like a logo designed.

Looking for a good programmer to work with my graphic design, I am looking ...

I am looking for a good programmer to work with my graphic design/illustrator on my team to actively blend animation with gameplay and create a fun, simple and easy, 2d iPhone gam

Define the document page title, Define the Document Page Title However t...

Define the Document Page Title However the document has a file name, notice it is labelled Untitled Document still; that is because it required an HTML document name, or page ti

Format text, You can format text into the Document window through setting p...

You can format text into the Document window through setting properties in the Property inspector. First one, choose the text you desire to format, and then apply the modification.

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