1024){ $size = $size/1024; $rank++;}if($rank==1){ $rankchar=kb;}else if($rank==2){ $rankchar=mb;}else if($rank==3){ $rankchar=gb;}$size = number_format($size, 2, '.', '');return .$size. .$rankchar;}
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二、js实现代码
1024){size = size/1024;rank++; } if(rank==1){rankchar=kb; } else if(rank==2){rankchar=mb; } else if(rank==3){rankchar=gb; } return size.tofixed(2)+ + rankchar;}?>
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注：代码中保留2位小数。
