Commit ea523045 authored by 王源's avatar 王源
Browse files

优化文件大小转化方法

parent fa6370a1

src/functions.php

+6 −3
Original line number Original line Diff line number Diff line
@@ -380,17 +380,20 @@ if (!function_exists('num_2_file_size')) { 
    function num_2_file_size($num)

    function num_2_file_size($num)

    {

    {

        $p = 0;

        $p = 0;

        $format = 'KB';

        $format = 'B';

        if ($num > 0 && $num < 1024) {

        if ($num > 0 && $num < 1024) {

            return number_format($num) . ' ' . $format;

            return number_format($num) . ' ' . $format;

        } else if ($num >= 1024 && $num < pow(1024, 2)) {

        } else if ($num >= 1024 && $num < pow(1024, 2)) {

            $p = 1;

            $p = 1;

            $format = 'MB';

            $format = 'KB';

        } else if ($num >= pow(1024, 2) && $num < pow(1024, 3)) {

        } else if ($num >= pow(1024, 2) && $num < pow(1024, 3)) {

            $p = 2;

            $p = 2;

            $format = 'GB';

            $format = 'MB';

        } else if ($num >= pow(1024, 3) && $num < pow(1024, 4)) {

        } else if ($num >= pow(1024, 3) && $num < pow(1024, 4)) {

            $p = 3;

            $p = 3;

            $format = 'GB';

        } else if ($num >= pow(1024, 4) && $num < pow(1024, 5)) {

            $p = 4;

            $format = 'TB';

            $format = 'TB';

        }

        }

        $num /= pow(1024, $p);

        $num /= pow(1024, $p);