dedecms文章缩略图

<?php
// 获取文章ID
$article_id = $_GET['id'];

// 查询文章信息
$query = "SELECT * FROM `dede_archives` WHERE `id` = $article_id";
$result = mysql_query($query);
$article = mysql_fetch_assoc($result);

// 获取文章内容中的图片路径
$content = $article['content'];
preg_match_all('/<img[^>]+src="([^">]+)"/', $content, $matches);
$image_paths = $matches[1];

// 生成缩略图
foreach ($image_paths as $image_path) {
    $thumbnail_path = 'thumbnails/' . basename($image_path);
    $image = imagecreatefromjpeg($image_path);
    $width = imagesx($image);
    $height = imagesy($image);
    $new_width = 200;
    $new_height = 150;
    $thumbnail = imagecreatetruecolor($new_width, $new_height);
    imagecopyresampled($thumbnail, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
    imagejpeg($thumbnail, $thumbnail_path);
    imagedestroy($image);
    imagedestroy($thumbnail);
}

echo "缩略图生成成功！";
?>