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 a programmer to help update our website, Need a programmer to help upd...

Need a programmer to help update our website. Long-term work available I have an independent that worked on my website as well as has done a great job up until now. He has lost

Adding ssi server-side include to the page, Step 1: Click on the icon withi...

Step 1: Click on the icon within the object tool bar               Or Insert -> SSI Step 2: choose the file Step 3: Add the file Step 4: Give the URL (where to be

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.

Life span of variables, While you declare a variable in a function, the var...

While you declare a variable in a function, the variable can be accessed within that function only. While you exit the function, the variable is destroyed. These variables are ca

Personal portfolio site, This site must include at least 5 pages - your Hom...

This site must include at least 5 pages - your Home page, an About Me page, a Projects page, a Services page, and a Contact Me page. 1.  Your Home page should include the followi

Implementing a multi-tenant configuration in moodle, Moodle integration ...

Moodle integration We have developed a web site with joomla that proposals to our clients different services. One service we are now realising is to integrate our joomla site

Need a wordpress expert, Need a Wordpress expert We're seeking a talente...

Need a Wordpress expert We're seeking a talented well experience Wordpress expert with strong PHP skills to build a website with integration with Salesforce and an advanced even

Title tag, The only thing you need to concern yourselves with in the HEAD t...

The only thing you need to concern yourselves with in the HEAD tag (for now) is the TITLE tag. The bulk of the page will be in the BODY tag, as illustrated in Figure.

Total development of existing bilingual website with seo, Total makeover of...

Total makeover of existing bilingual website with SEO • Offer an eye-catching easy to navigate, multilingual as well as searchable website template offering several interactive

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

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