"; foreach ($files as $file) { if ($file == '.' || $file == '..' || $file == 'index.php') { continue; } $path = $dir . '/' . $file; // 计算相对于初始目录的路径 $relativePath = $baseDir ? $baseDir . '/' . $file : $file; if (is_dir($path)) { echo "
1. $file"; // 递归调用显示子目录 listDirectory($path, $relativePath); echo "
"; } else { echo "
2. $file
"; } } echo "

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