C#获得本机物理网卡的MAC地址（备忘)

来源：互联网发布：linux 常用头文件编辑：程序博客网时间：2024/05/16 19:04

因项目需求，需要自动收集网卡的相关信息，在网上找了一大堆，但是完全符合要求的不多，有些看似符合要求，但是运行出来的结果，和真实情况有所偏差，所以根据真实环境，在网上搜来的代码上进行了一些修改，不一定完全正确，需要后期多试几台机器，先这样用着。

/// <summary>        /// 取网卡信息        /// </summary>        /// <returns></returns>        public static string GetNetAdapterInfo()        {            StringBuilder sb = new StringBuilder();            NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();            if (adapters != null)            {                foreach (NetworkInterface ni in adapters)                {                    string fCardType = "未知网卡";                    IPInterfaceProperties ips = ni.GetIPProperties();                                        PhysicalAddress pa = ni.GetPhysicalAddress();                    if (pa == null) continue;                    string pastr = pa.ToString();                    if (pastr.Length < 7) continue;                    if (pastr.Substring(0, 6) == "000000") continue;                    if (ni.Name.ToLower().IndexOf("vmware") > -1) continue;                    string fRegistryKey = "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\" + ni.Id + "\\Connection";                        RegistryKey rk = Registry.LocalMachine.OpenSubKey(fRegistryKey, false);                    if (rk != null)                    {                        // 区分 PnpInstanceID                          // 如果前面有 PCI 就是本机的真实网卡                         // MediaSubType 为 01 则是常见网卡，02为无线网卡。                         string fPnpInstanceID = rk.GetValue("PnpInstanceID", "").ToString();                         int fMediaSubType = Convert.ToInt32(rk.GetValue("MediaSubType", 0));                     if (fPnpInstanceID.Length > 3 && fPnpInstanceID.Substring(0, 3) == "PCI")                         if (ni.NetworkInterfaceType.ToString().ToLower().IndexOf("wireless")==-1)                             fCardType = "物理网卡";                         else                             fCardType = "无线网卡";                     else if (fMediaSubType == 1 || fMediaSubType == 0)                         fCardType = "虚拟网卡";                     else if (fMediaSubType == 2 || ni.NetworkInterfaceType.ToString().ToLower().IndexOf("wireless")>-1)                         fCardType = "无线网卡";                     else if (fMediaSubType == 7)                         fCardType = "蓝牙";                    }                    StringBuilder isb = new StringBuilder();                    UnicastIPAddressInformationCollection UnicastIPAddressInformationCollection = ips.UnicastAddresses;                         foreach (UnicastIPAddressInformation UnicastIPAddressInformation in UnicastIPAddressInformationCollection)                         {                             if (UnicastIPAddressInformation.Address.AddressFamily == AddressFamily.InterNetwork)                                 isb.Append(string.Format("Ip Address: {0}", UnicastIPAddressInformation.Address)+"\r\n"); // Ip 地址                         }                    // IPAddressCollection ipc = ips.DnsAddresses;                    //if (ipc.Count > 0)                    //{                    //    foreach (IPAddress ip in ipc)                    //    {                    //        isb.Append(string.Format("DNS服务器地址：{0}\r\n",ip));                    //    }                    //}                    string s = string.Format("{0}\r\n描述信息：{1}\r\n类型：{2}\r\n速度：{3} MB\r\nMac地址：{4}\r\n{5}",fCardType,ni.Name,ni.NetworkInterfaceType,ni.Speed/1024/1024,ni.GetPhysicalAddress(),isb.ToString());                    sb.Append(s+"\r\n");                }            }            return sb.ToString();        }

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