nodejs获取本机内网和外网ip地址的实现代码

   for(vardevinifaces){
       if(dev.indexOf("eth0")!=-1){
           vartokens=dev.split(":");
           vardev2=null;
           if(tokens.length==2){
               dev2="eth1:"+tokens[1];
           }elseif(tokens.length==1){
               dev2="eth1";
           }
           if(null==ifaces[dev2]){
               continue;
           }

           //找到eth0和eth1分别的ip
           varip=null,ip2=null;
           ifaces[dev].forEach(function(details){
               if(details.family=="IPv4"){
                   ip=details.address;
               }
           });
           ifaces[dev2].forEach(function(details){
               if(details.family=="IPv4"){
                   ip2=details.address;
               }
           });
           if(null==ip||null==ip2){
               continue;
           }

           //将记录添加到map中去
           if(ip.indexOf("10.")==0||
               ip.indexOf("172.")==0||
               ip.indexOf("192.")==0){
               map.push({"intranet_ip":ip,"internet_ip":ip2});
           }else{
               map.push({"intranet_ip":ip2,"internet_ip":ip});
           }
       }
   } 
   returnmap;
}

console.log(getLocalIP());