query("SELECT username, is_admin FROM users WHERE id = $uid");
$user_data = $u_res->fetch_assoc();
}
// 获取参数
$id = (int)($_GET['id'] ?? 0);
$category = trim($_GET['category'] ?? '');
$page = max(1, (int)($_GET['page'] ?? 1));
$per_page = 12;
// 判断是显示详情还是列表
$news = null;
$news_list = [];
$total = 0;
$total_pages = 0;
if ($id > 0) {
// 显示单个资讯详情
$news = get_news_by_id($conn, $id);
if ($news) {
// 增加浏览次数
increment_news_view_count($conn, $id);
}
} else {
// 显示资讯列表
$valid_categories = ['公交运营', '人物志'];
$category_filter = in_array($category, $valid_categories) ? $category : null;
$result = get_news_list($conn, $category_filter, null, null, 1, $page, $per_page);
$news_list = $result['list'];
$total = $result['total'];
$total_pages = $result['total_pages'];
}
// 页面标题
$page_title = '资讯';
if ($id > 0 && $news) {
$page_title = htmlspecialchars($news['title']) . ' - 资讯';
} elseif ($category) {
$page_title = $category . ' - 资讯';
}
?>
<?= $page_title ?> - 800BUS
0 && $news): ?>
← 返回
1): ?>