JavaScript获取本地IP地址的ActiveX实现

<script language="JavaScript">
function GetLocalIPAddr(){
var oSetting = null;
var ip = null;
try{
oSetting = new ActiveXObject("rcbdyctl.Setting");
ip = oSetting.GetIPAddress;
alert(ip);
if (ip.length == 0){
return "没有连接到Internet";
} 
oSetting = null;
}catch(e){
return ip;
} 
return ip;
} 
alert(GetLocalIPAddr())
</script>

保存至本地，保存为 getip.htm即可