index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>网页资源下载器</title>
    <style>
        body {
            font-family: Arial, sans-serif;
        }
        form {
            max-width: 500px;
            margin: auto;
            padding: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            background-color: #f9f9f9;
        }
        label, input {
            display: block;
            width: 100%;
            margin-bottom: 10px;
        }
        input[type="submit"] {
            width: auto;
            padding: 10px 20px;
        }
        .container {
            text-align: center;
            margin-top: 50px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>网页资源下载器</h1>
        <form action="download.php" method="post">
            <label for="url">网页URL:</label>
            <input type="url" id="url" name="url" required>
            <label for="filename">保存的文件名:</label>
            <input type="text" id="filename" name="filename" required>
            <input type="hidden" name="csrf_token" value="<?php echo hash('sha256', session_id()); ?>">
            <input type="submit" value="下载">
        </form>
    </div>
</body>
</html>