织梦调用自定义字段附件类型文件的格式类型文件大小上传日期

function GetFileInfos($file, $type='size')

{

    global $cfg_basedir;

    $filepath = $cfg_basedir.$file;

    $size = filesize($filepath);

    $fileinfos = pathinfo($filepath);

    $units = array(' B', ' KB', ' MB', ' GB', ' TB');

    for ($i = 0; $size >= 1024 && $i < 4; $i++) $size /= 1024;

    if($type=='size') return round($size, 2).$units[$i];

    if($type=='type') return $fileinfos['extension'];

    if($type=='name') return $fileinfos['filename'];

    if($type=='time') return MyDate("Y-m-d H:i:s", filemtime($filepath));

}