js如何获取input file上传文件夹的文件大小总和？
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通过file.size获取文件大小，然后foreach目录文件，获取总大小，具体代码如下
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>BFW NEW PAGE</title>
<script id="bfwone" data="dep=jquery.17&err=0" type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/bfwone.js"></script>
<script type="text/javascript">
function getFileSize(fileByte) {
var fileSizeByte = fileByte;
var fileSizeMsg = "";
if (fileSizeByte < 1048576) fileSizeMsg = (fileSizeByte / 1024).toFixed(2) + "KB";
else if (fileSizeByte == 1048576) fileSizeMsg = "1MB";
else if (fileSizeByte > 1048576 && fileSizeByte < 1073741824) fileSizeMsg = (fileSizeByte / (1024 * 1024)).toFixed(2) + "MB";
else if (fileSizeByte > 1048576 && fileSizeByte == 1073741824) fileSizeMsg = "1GB";
else if (fileSizeByte > 1073741824 && fileSizeByte < 1099511627776) fileSizeMsg = (fileSizeByte / (...点击查看剩余70%
by goodman
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