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用JavaScript获取客户端MAC地址(转)

 <HTML>  
<HEAD><TITLE>WMI Scripting HTML</TITLE>  
    <META http-equiv=Content-Type content="text/html; charset=gb2312">  
    <SCRIPT language=JScript event="OnCompleted(hResult,pErrorObject, pAsyncContext)" for=foo>  
        document.forms[0].txtMACAddr.value = unescape(MACAddr);  
        document.forms[0].txtIPAddr.value = unescape(IPAddr);  
        document.forms[0].txtDNSName.value = unescape(sDNSName);  
        //document.formbar.submit();  
    </SCRIPT>  
 
    <SCRIPT language=JScript event=OnObjectReady(objObject,objAsyncContext) for=foo>  
        if (objObject.IPEnabled != null && objObject.IPEnabled != "undefined" && objObject.IPEnabled == true)  
        {  
            if (objObject.MACAddress != null && objObject.MACAddress != "undefined")  
                MACAddr = objObject.MACAddress;  
            if (objObject.IPEnabled && objObject.IPAddress(0) != null && objObject.IPAddress(0) != "undefined")  
                IPAddr = objObject.IPAddress(0);  
            if (objObject.DNSHostName != null && objObject.DNSHostName != "undefined")  
    &


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