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 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

Data types, A value, the data assigned to a variable, may contain any sort ...

A value, the data assigned to a variable, may contain any sort of data. Though, JavaScript considers data to fall into many possible types. Based on the type of data, certain opera

Using php and joomla to build wine ecommerce website, Using PHP and Joomla ...

Using PHP and Joomla to build Wine ecommerce website with accommodation and tours We need a development team to construct a wine ecommerce website that will display information

Dial-up connection, O ne of the commonest ways of connection to Internet is...

O ne of the commonest ways of connection to Internet is by dial up connection via a modem & a telephone line. Using these you can link to a host machine on the Internet. Once linke

I need help in joomla front-end template changes, I need help in Joomla Fro...

I need help in Joomla Front-End Template Changes We bought a Joomla template as well as have made some custom changes to it. There are a few more changes that we would like to h

Usenet and newsgroups, On Internet there exists another way to meet people ...

On Internet there exists another way to meet people & share information. One of such way is through Usenet newsgroups. These are special groups established through people who want

Macro to search patent information help needed, Macro to search patent info...

Macro to search patent information Objective To develop a macro that is accomplished to search through publicly available USPTO.gov database as well as count number of times fir

What is php, What is PHP? PHP: Hypertext Pre-processor is open source s...

What is PHP? PHP: Hypertext Pre-processor is open source server-side scripting language which is widely used for web development. PHP scripts are executed on server. PHP allows

Need help in jquery event calendar integration, Need help in JQuery Event C...

Need help in JQuery Event Calendar Integration w/Functionality, API Integration of BBB This module is about Integrating as well as Activating a JQuery Event Calendar as well as

Html headers, These are used to indicate the headings of sections or sub-se...

These are used to indicate the headings of sections or sub-sections in document. Based on the desired size of the text, any of six obtainable levels ( to ) of h

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