【发布时间】：2015-11-23 20:54:03
【问题描述】：
我现在正在尝试使用 PHP 创建一个系统，该系统将计算出用户购买的产品的成本。基本上我不想有很多单选按钮，这取决于用户选择的价格变化。
在下面的代码中，您将能够看到我的 PHP。显然，我的 HTML 这可能会让我更好地了解我想要实现的目标。这是我第一次用 PHP 编码，我通常使用 JavaScript，所以我预计可能会有一些错误，请帮助我！
最后，基本上我需要一个网页，根据用户选择的产品选项（8gb 内存而不是 4gb 和 500gb 驱动器而不是 1tb 等）向 PayPal 按钮提交自定义金额。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Silicon Build</title>
<link rel="stylesheet" href="stylesheets/app.css">
<script src="bower_components/modernizr/modernizr.js"></script>
<!-- Custom CSS Stylesheet -->
<link rel="stylesheet" href="scss/app.css">
<!-- Custom Fonts -->
<link href='http://fonts.googleapis.com/css?family=Roboto:300' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Oxygen' rel='stylesheet' type='text/css'>
<?php
function updateTotal($type, $price) {
$cpu = 50;
$ram = 100;
$mobo = 150;
$components = $cpu + $ram + $mobo;
$shippingMe = 6.90;
$profit = 35;
$shipping = 15;
$original = (300 + $shippingMe + $shipping + $profit + 0.2) /0.966;
$basePrice = ($components + $shippingMe + $shipping + $profit + 0.2) /0.966;
$options = $basePrice - $original;
if ($type == 'cpu') {
$cpu = $price;
} else if ($type == 'ram') {
$ram = $price;
} else if ($type == 'mobo') {
$mobo = $price;}
}
?>
</head>
<body>
<!-- Navigational Menu -->
<?php include_once("header.html"); ?>
<!-- Main Content -->
<input type="radio" name="cpu" value="Intel-i5" oncheck="<?php updateTotal('cpu',50); ?>" checked>Intel Core i5 (+£0.00)<br>
<input type="radio" name="cpu" value="Intel-i7" onclick="<?php updateTotal('cpu',70); ?>">Intel Core i7 (+£20.00)<br>
<hr>
<input type="radio" name="ram" value="4gb" onclick="<?php updateTotal('ram',100); ?>" checked>4GB RAM (+£0.00)<br>
<input type="radio" name="ram" value="8gb" onclick="<?php updateTotal('ram',150); ?>">8GB RAM (+£50.00)<br>
<hr>
<input type="radio" name="mobo" value="mobo1" onclick="<?php updateTotal('mobo',150); ?>" checked>Motherboard 1 (+£0.00)<br>
<input type="radio" name="mobo" value="mobo2" onclick="<?php updateTotal('mobo',175); ?>">Motherboard 2 (+£25.00)<br>
<p id="price"></p>
<p id="options"></p>
<form target="paypal" action="https://www.paypal.com/cgi-bin/webscr" method="post" >
<input type="hidden" name="cmd" value="_cart">
<input type="hidden" name="business" value="nick@bayworth.com">
<input type="hidden" name="lc" value="BM">
<input type="hidden" name="item_name" value="COMPUTER_NAME">
<input type="hidden" name="amount" value="<?php echo $basePrice; ?>">
<input type="hidden" name="currency_code" value="GBP">
<input type="hidden" name="button_subtype" value="products">
<input type="hidden" name="no_note" value="0">
<input type="hidden" name="shipping" value="0.00">
<input type="hidden" name="add" value="1">
<input type="hidden" name="bn" value="PP-ShopCartBF:btn_cart_LG.gif:NonHostedGuest">
<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_cart_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1">
</form>
<!-- Footer -->
<?php include_once("footer.html"); ?>
<!-- Scripts -->
<script src="bower_components/jquery/dist/jquery.min.js"></script>
<script src="bower_components/foundation/js/foundation.min.js"></script>
<script src="js/app.js"></script>
</body>
</html>感谢您的任何帮助，非常感谢。
【问题讨论】：