59 lines
1.4 KiB
PHP
59 lines
1.4 KiB
PHP
<?php
|
|
|
|
namespace app\utils;
|
|
|
|
use RecursiveDirectoryIterator;
|
|
use RecursiveIteratorIterator;
|
|
|
|
class FileSizeHelper
|
|
{
|
|
/**
|
|
* 计算指定目录的大小
|
|
*
|
|
* @param string $directory 目录路径
|
|
* @return int 目录的大小（字节）
|
|
*/
|
|
public static function getDirectorySize(string $directory): int
|
|
{
|
|
$size = 0;
|
|
$files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory));
|
|
foreach ($files as $file) {
|
|
if ($file->isFile()) {
|
|
$size += $file->getSize();
|
|
}
|
|
}
|
|
return $size;
|
|
}
|
|
|
|
/**
|
|
* @param $bytes
|
|
* @param $precision
|
|
* @return string
|
|
*/
|
|
public static function formatBytes($bytes, $precision = 2): string
|
|
{
|
|
$units = array('B', 'KB', 'MB', 'GB', 'TB');
|
|
|
|
$bytes = max($bytes, 0);
|
|
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
|
|
$pow = min($pow, count($units) - 1);
|
|
|
|
$bytes /= pow(1024, $pow);
|
|
|
|
return round($bytes, $precision) . ' ' . $units[$pow];
|
|
}
|
|
|
|
/**
|
|
* @param $megabytes
|
|
* @param $precision
|
|
* @return string
|
|
*/
|
|
public static function formatMegaBytes($megabytes, $precision = 2): string
|
|
{
|
|
if($megabytes===-1){
|
|
return '∞';
|
|
}
|
|
$bytes = $megabytes * pow(1024, 2); // Convert megabytes to bytes
|
|
return self::formatBytes($bytes, $precision);
|
|
}
|
|
} |