校园管理
/
JingAnXiangSu


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="button" onclick="GetUsbKey" value="点击">
</body>
<script>
    function GetDIVORPIV(DIV)
    {
        var str;
        var arrayDIV=new Array();
        if(DIV.indexOf("_")>0)
        {
            arrayDIV=DIV.split("_");
            str=arrayDIV[1];
        }
        else
        {
            str="";
        }
        return str;
    }
    function GetDIVandPIV(DIVPIV)
    {
        var strDIVandPIV;
        var strDIVPIV=DIVPIV;
        var arrayDIVPIV=new Array();
        if(strDIVPIV.indexOf("&")>0)
        {
            arrayDIVPIV=strDIVPIV.split("&");
            strDIVandPIV=GetDIVORPIV(arrayDIVPIV[0])+GetDIVORPIV(arrayDIVPIV[1]);
        }
        else
        {
            strDIVandPIV="";
        }
        return strDIVandPIV;
    }
    function GetUsbSN(DIVPIVSN)
    {
        var UsbSN;
        var strSN=DIVPIVSN ;
        var arraySN=new Array();
        if(strSN.indexOf("&")>0)
        {
            arraySN=strSN.split("\\");
            if(arraySN.length>2)
            {
                UsbSN=GetDIVandPIV(arraySN[1])+arraySN[2];
            }
            else
            {
                UsbSN="";
            }
        }
        else
        {
            UsbSN="";
        }
        return UsbSN;
    }
    function CheckUsb()
    {
        var e,x;
        var ForReading = 1,RorWriting = 2;
        var fso = new ActiveXObject("Scripting.FileSystemObject");
        var bfResult=false ;
        e = new Enumerator(fso.Drives)
        for(;!e.atEnd();e.moveNext())
        {
            x=e.item();
            if(x.DriveType==1)
            {
                if(x.Path!="A:")
                {
                    bfResult=true ;
                }
            }
        }
        return bfResult;
    }
    function ReadUsbSN()
    {
        var bfUsb;
        bfUsb=CheckUsb();
        if(bfUsb==true)
        {
            var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
            var computer = locator.ConnectServer(".");
            var properties = computer.ExecQuery("SELECT * FROM Win32_USBHub");
            var e = new Enumerator (properties);
            var arrayUsbSN=new Array();//存放序列号
            var intCount=0;
            for (;!e.atEnd();e.moveNext ())
            {
                var p = e.item ();
                var strSN;
                var uSerialNum;
                var sn=p.DeviceID
                if(sn.indexOf("VID")>0)
                {
                    strSN=GetUsbSN(sn);
                    uSerialNum=strSN.substring(8);
                    arrayUsbSN[intCount]=strSN;
                    intCount=intCount+1;
                    alert("你的U盘系列号为："+ uSerialNum);
                }
            }
        }
        else
        {
            alert("请插入U盘");
        }
    }
</script>
</html>