| 代码如下 | 复制代码 |
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//字节换算 function conversion($size) { $kb = 1024; // 1KB（Kibibyte，千字节）=1024B， $mb = 1024 * $kb; //1MB（Mebibyte，兆字节，简称“兆”）=1024KB， $gb = 1024 * $mb; // 1GB（Gigabyte，吉字节，又称“千兆”）=1024MB， $tb = 1024 * $gb; // 1TB（Terabyte，万亿字节，太字节）=1024GB， $pb = 1024 * $tb; //1PB（Petabyte，千万亿字节，拍字节）=1024TB， $fb = 1024 * $pb; //1EB（Exabyte，百亿亿字节，艾字节）=1024PB， $zb = 1024 * $fb; //1ZB（Zettabyte，十万亿亿字节，泽字节）= 1024EB， $yb = 1024 * $zb; //1YB（Yottabyte，一亿亿亿字节，尧字节）= 1024ZB， $bb = 1024 * $yb; //1BB（Brontobyte，一千亿亿亿字节）= 1024YB if ($size < $kb) { return $size . " B"; } else if ($size < $mb) { return round($size / $kb, 2) . " KB"; } else if ($size < $gb) { return round($size / $mb, 2) . " MB"; } else if ($size < $tb) { return round($size / $gb, 2) . " GB"; } else if ($size < $pb) { return round($size / $tb, 2) . " TB"; } else if ($size < $fb) { return round($size / $pb, 2) . " PB"; } else if ($size < $zb) { return round($size / $fb, 2) . " EB"; } else if ($size < $yb) { return round($size / $zb, 2) . " ZB"; } else { return round($size / $bb, 2) . " YB"; } } |
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时间： 2024-09-20 20:35:00