获得客户端的MAC地址

山娅梦 · 发表于 2016-5-17 12:37:25

方法一:

调用Windows的DOS命令,从输出结果中读取MAC地址:

public static String getMACAddress() {

String address = "";
String os = System.getProperty("os.name");
if ( os != null && os.startsWith("Windows")) {
try {
String command = "cmd.exe /c ipconfig /all";
Process p = Runtime.getRuntime().exec(command);
BufferedReader br =
new BufferedReader(
new InputStreamReader(p.getInputStream()));
String line;
while ((line = br.readLine()) != null) {
if (line.indexOf("Physical Address") > 0) {
int index = line.indexOf(":");
index += 2;
address = line.substring(index);
break;
}
}
br.close();
return address.trim();
}
catch (IOException e) { }
}
return address;
}

We can replace the "ipconfig" to "ping x.x.x.x" and "arp -a"...We can get the mac list...haha!!

缺点:只能取得服务器端MAC地址.如果要取得客户端的MAC地址,需用Applet.只针对MS-WIN系统.

方法二:

可以用JS或vbscript来调用WMI接口来获取Client端的MAC地址.

<html>
<head>
<title>WMI Scripting HTML</title>
<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);
         //document.formbar.submit();
      </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>
</head>
<body>
  <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 type=text  name="txtMACAddr">
<input type=text  name="txtIPAddr">
<input type=text  name="txtDNSName">

  </form>
</body>
</html>

关于WMI的详细信息可以参看MSDN:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/wmi_tasks_for_scripts_and_applications.asp

平心而论，WMI的很强大的。原先需要动用重量级编程工具才能做到的事，现在用js/vbscript就可以做了。

获取多块网卡的MAC地址:

if(objObject.MACAddress != null && objObject.MACAddress != "undefined"){
                     MACAddr = objObject.MACAddress;
                     alert( MACAddr );
               }

缺点:需要ActiveX支持.对MS-WIN系统有效.

方法三:

想137口发送UDP查询:

WINDOWS平台的客户端(当获取时它转换为服务端角色),NETBIOS协议在137口上,我们只要向它的137口发送UDP查询,获取它的返回值就可以获取到它所有的网卡地址

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