dedecms手机网站仿制

// 示例代码：图片压缩
function compress_image($source, $destination, $quality) {
    $info = getimagesize($source);
    if ($info['mime'] == 'image/jpeg') {
        $image = imagecreatefromjpeg($source);
        imagejpeg($image, $destination, $quality);
    } elseif ($info['mime'] == 'image/gif') {
        $image = imagecreatefromgif($source);
        imagegif($image, $destination);
    } elseif ($info['mime'] == 'image/png') {
        $image = imagecreatefrompng($source);
        imagepng($image, $destination, 9 - ($quality / 10));
    }
    return $destination;
}

/* 示例代码：响应式设计 */
@media (max-width: 600px) {
    body {
        font-size: 14px;
    }
    .container {
        width: 100%;
    }
}

// 示例代码：优化JavaScript
document.addEventListener('DOMContentLoaded', function() {
    var buttons = document.querySelectorAll('.btn');
    buttons.forEach(function(button) {
        button.addEventListener('click', function() {
            alert('Button clicked!');
        });
    });
});