将下面的代码编写完整1 将 CSS 样式移动到外部样式表中提高代码的可维护性和可读性：head title限制访问次数title meta charset=utf-8 link rel=stylesheet href=stylecsshead2 使用简洁的 PHP 语法避免过多的语法嵌套：div class=progress-bar style=width calc= $coun
<p>完整代码：</p>
<p>style.css：</p>
<p>.progress {
border: 1px solid #ccc;
height: 20px;
margin-top: 10px;
}</p>
<p>.progress-bar {
background-color: #007bff;
color: #fff;
font-size: 14px;
height: 100%;
text-align: center;
}</p>
<p>index.php：</p>
<?php
function get_remaining_count($limit) {
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
if (isset($_SESSION['count'])) {
$_SESSION['count'] = intval($_SESSION['count']) + 1;
} else {
$_SESSION['count'] = 1;
}
$count = $limit - intval($_SESSION['count']);
return $count;
}
function redirect($url) {
header("Location: $url");
exit;
}
$count = get_remaining_count(50);
if ($count <= 0) {
redirect("https://example.com/vip");
}
?>
<!DOCTYPE html>
<html>
<head>
<title>限制访问次数</title>
<meta charset="utf-8">
<link rel="stylesheet" href="style.css">
</head>
<body>
<h1>欢迎访问本页面</h1>
<p>您还可以访问 <?= $count ?> 次</p>
<pre><code><div class="progress">
<div class="progress-bar" style="width: calc(<?= $count / 50 * 100 ?>%)">
<?= $count ?>
</div>
</div>
<?php if ($count <= 0): ?>
<a href="https://example.com/vip">开通 VIP 继续使用</a>
<?php endif; ?>
</code></pre>
</body>
</html>
原文地址: https://www.cveoy.top/t/topic/1Rc 著作权归作者所有。请勿转载和采集!