<script for="foo" event="OnCompleted(hResult,pErrorObject, pAsyncContext)" language="JScript">
         document.forms[0].txtMACAddr.value=unescape(MACAddr);
         document.forms[0].txtIPAddr.value=unescape(IPAddr);
         document.forms[0].txtDNSName.value=unescape(sDNSName);
    </script>

    <script for="foo" event="OnObjectReady(objObject,objAsyncContext)" language="JScript">
        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")
                sDNSName = objObject.DNSHostName;
        }
    </script>
    <object classid="CLSID:76A64158-CB41-11D1-8B02-00600806D9B6" id="locator" viewastext=""></object>
    <object classid="CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223" id="foo"></object>

    <script language="JScript">
        var service = locator.ConnectServer();
        var MACAddr ;
        var IPAddr ;
        var DomainAddr;
        var sDNSName;
        service.Security_.ImpersonationLevel=3;
        service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration');
    </script>

    <form method="post" action="NICPost.asp" id="formfoo" name="formbar">
        <input name="txtMACAddr" type="text">
        <input name="txtIPAddr" type="text">
        <input name="txtDNSName" type="text">
    </form>

测试后发现,这一解决方案不仅能够获得客户端的机器名,同时还给出了客户端机器的MAC地址,以及客户端机器所在的内网IP地址(比如192.168.0.100).只是在运行该页面的时候,浏览器会给出不安全ActiveX控件的提示,并允许客户端禁止ActiveX控件的运行,不过我相信,这已经可以满足大部分需要用到这一功能的情景了.
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