我一直在爲此工作了幾天。我從來沒有搞過任何與購物車有關的事情,所以我試圖理解這一點。這是我的網頁,如果你向旁邊看,它不是做我需要它做的事情,也顯示其他代碼:http://www.elinkswap.com/snorris/header.html。我想要做的是當你在header.html頁面上,並且你看看應該說你的購物車的內容你有0項。然後說你去的項目,你想1並點擊更新它應該說你有你的購物車中的1項。但由於某種原因,我無法讓它正常工作。這裏是我一起工作的代碼一點點:如何添加購物車總計
<?php # Script 5.2 - header.html
/*
* This page begins the HTML header for the site.
* The header also creates the right-hand column.
* This page calls session_start().
*/
// Need sessions!
session_start();
// Check for a $page_title value:
if (!isset($page_title)) $page_title = 'WoW::World of Widgets!';
?><!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title><?php echo $page_title; ?></title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link href="./includes/style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div class="all">
<div class="box">
<div class="menu"><a href="#">home</a><a href="#">about</a><a href="#">products</a><a href="#">contact</a></div>
<div class="header"><img alt="" style="float:right; " src="./images/www.jpg" width="225" height="95" />
<h1>[<span class="style1">WoW</span>] World of Widgets</h1>
<div class="clearfix"></div>
</div>
<div class="newsbar">
<h1>Browse Widget Categories</h1>
<div class="p2"><ul>
<li><a href="category.php?cid=5">Fuzzy Widgets</a></li>
<li><a href="category.php?cid=4">Non-widget Widgets</a></li>
<li><a href="category.php?cid=6">Razor-sharp Widgets</a></li>
<li><a href="category.php?cid=2">Widgets That Bounce</a></li>
<li><a href="category.php?cid=3">Widgets That Sit There</a></li>
<li><a href="category.php?cid=1">Widgets That Wiggle</a></li>
<?php
// Get all the categories and
// link them to category.php.
// Define and execute the query:
$q = 'SELECT category_id, category FROM categories ORDER BY category';
$r = mysqli_query($dbc, $q);
// Fetch the results:
while (list($fcid, $fcat) = mysqli_fetch_array($r, MYSQLI_NUM)) {
// Print as a list item.
echo "<li><a href=\"category.php?cid=$fcid\"></a></li>\n";
if($_SERVER['PHP_SELF']!="CART FILE"){
echo "<h1>Cart Contents</h1>";
echo "<div class=\"p2\">";
$itemCount=$k;
foreach($_SESSION['cart'] as $k=>$v){
for($i=0;$i<count(X);$i++){
$itemCount+=X;
}
}
echo "<a href=\"cart.php\">You have ".$itemCount." total items in your cart.</a>";
echo "</div>\n";
} // End of while loop.
?></ul></div>
<h1>Specials?</h1>
<div class="p2">
<p>Maybe place specials or new items or related items here.</p>
</div>
</div>
<div class="content">
我還在學習一些事情和一些這只是沒有道理,我不能得到它的工作。感謝您尋找