<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form id="myform" name="myform" action="your_url" method="post" enctype="multipart/form-data" >
<div id="sendBefore">
<p>上传视频</p>
<input id="videoForm" type="file" name="videos[]" multiple= "multiple" />
</div>
<form>
<script type="text/javascript">
var videoForm = document.getElementById("videoForm");
videoForm.onchange = function()
{
var fileVal=this.value;
var fileName=fileVal.substring(fileVal.lastIndexOf("\\")+1);
//判断浏览器
var isIE = /msie/i.test(navigator.userAgent) && !window.opera;
var token='';
var fileSize = 0;
// IE浏览器
if (isIE && !this.files) {
//获得上传文件的绝对路径
var filePath = this.value;
var fileSystem = new ActiveXObject("Scripting.FileSystemObject");
var file = fileSystem.GetFile(filePath);
// 文件大小单位b
fileSize = file.Size;
}else {
//其他浏览器
fileSize = this.files[0].size;
}
var size = fileSize / 1024 / 1024;
//计算M
if (size > 10) {
alert("视频大小不能超过10M");
videoForm.value = "";
return;
}
}
</script>
</body>
</html>
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