<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>显示指定驱动器的大小及可用空间</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<form name="form1" method="post" action="">
盘符：
<input type="text" name="text1">
<input type="button" name="Button1" value="磁盘空间" onclick="DriveSize(document.form1.text1)">
</form>
<script language="javascript">
<!--
function DriveSize(Drivename)
{
var fso=new ActiveXObject("Scripting.FileSystemObject");
var s=fso.GetDrive(Drivename.value);
if (s.IsReady)
{
var str,str1，AllSize=0.0;
str="当前驱动器的名称为:"+s.DriveLetter+"\n";
AllSize=s.TotalSize/1024/1024/1024;
str=str+"当前驱动器的大小为:"+parseInt(AllSize*10)/10+"\n";
AllSize=s.FreeSpace/1024/1024/1024;
str=str+"当前驱动器的可用空间为:"+parseInt(AllSize*10)/10;
alert(str);
}
else
alert("该驱动器无效。")
}
//-->
</script>
</body>
</html>
运行：
结果：单位为g
