['mp3', 'wav', 'ogg', 'flac', 'aac'],
'video' => ['mp4', 'webm', 'mov', 'avi', 'mkv', 'flv', 'wmv']
];
// 扫描目录和子目录获取所有支持的媒体文件
function scanMediaDirectory($dir, $root, $supportedFormats) {
$files = [];
$dir = rtrim($dir, '/') . '/';
// 打开目录
if ($handle = opendir($dir)) {
while (($file = readdir($handle)) !== false) {
// 跳过.和..目录
if ($file === '.' || $file === '..') {
continue;
}
$path = $dir . $file;
// 处理中文文件名
$file = mb_convert_encoding($file, 'UTF-8', 'auto');
// 如果是目录，递归扫描
if (is_dir($path)) {
$subFiles = scanMediaDirectory($path, $root, $supportedFormats);
$files = array_merge($files, $subFiles);
}
// 如果是支持的媒体文件
else if (is_file($path)) {
$ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
// 检查是否为支持的音频或视频格式
$type = '';
if (in_array($ext, $supportedFormats['audio'])) {
$type = 'audio';
} elseif (in_array($ext, $supportedFormats['video'])) {
$type = 'video';
}
if ($type) {
// 获取相对于根目录的路径
$relativePath = substr($path, strlen($root));
$relativePath = mb_convert_encoding($relativePath, 'UTF-8', 'auto');
$files[] = [
'file' => $relativePath,
'path' => dirname($relativePath), // 提取目录路径
'type' => $type, // 文件类型（audio/video）
'ext' => $ext // 文件扩展名
];
}
}
}
closedir($handle);
}
return $files;
}
// 构建目录树结构
function buildDirectoryTree($directories) {
$tree = [];
foreach ($directories as $dir) {
if ($dir === '.') continue;
$parts = explode('/', $dir);
$current = &$tree;
foreach ($parts as $part) {
if (empty($part)) continue;
$found = false;
foreach ($current as &$node) {
if ($node['name'] === $part) {
$current = &$node['children'];
$found = true;
break;
}
}
unset($node); // 解除引用
if (!$found) {
$newNode = [
'name' => $part,
'path' => implode('/', array_slice($parts, 0, array_search($part, $parts) + 1)),
'children' => []
];
$current[] = $newNode;
$current = &$current[count($current) - 1]['children'];
}
}
unset($current); // 解除引用
}
return $tree;
}
// 扫描媒体目录
$allFiles = scanMediaDirectory($mediaRoot, $mediaRoot, $supportedFormats);
// 提取目录结构
$directories = [];
foreach ($allFiles as $fileInfo) {
$dirPath = $fileInfo['path'];
if ($dirPath !== '.' && !in_array($dirPath, $directories)) {
$directories[] = $dirPath;
}
}
// 构建目录树
$directoryTree = buildDirectoryTree($directories);
// 按目录路径排序
sort($directories);
// 按文件名排序
usort($allFiles, function($a, $b) {
return strcmp($a['file'], $b['file']);
});
// 统计音视频数量
$audioCount = 0;
$videoCount = 0;
foreach ($allFiles as $file) {
if ($file['type'] === 'audio') $audioCount++;
else $videoCount++;
}
// 返回目录信息和文件列表，确保中文正常编码
echo json_encode([
'root' => $mediaRoot,
'directories' => $directories,
'directoryTree' => $directoryTree,
'files' => array_column($allFiles, 'file'),
'filesWithPath' => $allFiles,
'audioCount' => $audioCount,
'videoCount' => $videoCount
], JSON_UNESCAPED_UNICODE); // 添加JSON_UNESCAPED_UNICODE确保中文不被编码
exit;
}
?>
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