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代碼如下：
在ie下，貌似要改安全設定中的【對為標記為可安全執行指令碼的ActiveX空間初始化並執行】那項
複製代碼 代碼如下:
<html>
<head>
<script type="text/javascript">
var isIE = /msie/i.test(navigator.userAgent) && !window.opera;
function fileChange(target) {
var fileSize = 0;
if (isIE && !target.files) {
var filePath = target.value;
var fileSystem = new ActiveXObject("Scripting.FileSystemObject");
var file = fileSystem.GetFile (filePath);
fileSize = file.Size;
} else {
fileSize = target.files[0].size;
}
alert(“檔案位元組大小:”+fileSize);
var size = fileSize / 1024;
if(size>10000){
alert("附件不能大於10M");
}
}
</script>
</head>
<body>
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