本文件名：file.func.php <?php //Btytes/Kb/MB/GB/TB/EB //转换字节大小 function transByte($size){ //$size=1024; $arr=array("B","KB","MB","GB","TB","EB"); $=0; while($size>1024){ $size/=1024; $i++; } round($size,2).$arr[$i]; }