摘要： //格式化为：{n}GB{n}MB{n}KB的样式function formatByteSize($bytes) { $format = $bytes . 'B'; foreach (array(1 => 'KB', 2 => 'MB', 3 => 'GB') as $exp => $unit) { $base = pow(1024, $exp); if ($bytes > $base) { $format = number_format($bytes / $base, 2) . $unit; con 阅读全文