asp.net core 获取 MacAddress 地址方法示例

网络编程 2025/5/13 佚名

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本文告诉大家如何在 dotnet core 获取 Mac 地址

因为在 dotnetcore 是没有直接和硬件相关的，所以无法通过 WMI 的方法获取当前设备的 Mac 地址

但是在 dotnet core 可以使用下面的代码拿到本机所有的网卡地址，包括物理网卡和虚拟网卡

IPGlobalProperties computerProperties = IPGlobalProperties.GetIPGlobalProperties();
   NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();

   Console.WriteLine("Interface information for {0}.{1}  ",
    computerProperties.HostName, computerProperties.DomainName);
   if (nics == null || nics.Length < 1)
   {
    Console.WriteLine(" No network interfaces found.");
    return;
   }

   Console.WriteLine(" Number of interfaces .................... : {0}", nics.Length);
   foreach (NetworkInterface adapter in nics)
   {
    Console.WriteLine();
    Console.WriteLine(adapter.Name + "," + adapter.Description);
    Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length, '='));
    Console.WriteLine(" Interface type .......................... : {0}", adapter.NetworkInterfaceType);
    Console.Write(" Physical address ........................ : ");
    PhysicalAddress address = adapter.GetPhysicalAddress();
    byte[] bytes = address.GetAddressBytes();
    for (int i = 0; i < bytes.Length; i++)
    {
     // Display the physical address in hexadecimal.
     Console.Write("{0}", bytes[i].ToString("X2"));
     // Insert a hyphen after each byte, unless we are at the end of the 
     // address.
     if (i != bytes.Length - 1)
     {
      Console.Write("-");
     }
    }

    Console.WriteLine();
   }

运行代码，下面是控制台

Interface information for lindexi.github
    Number of interfaces .................... : 6

    Hyper-V Virtual Ethernet Adapter #4
    ===================================
    Interface type .......................... : Ethernet
    Physical address ........................ : 00-15-5D-96-39-03

    Hyper-V Virtual Ethernet Adapter #3
    ===================================
    Interface type .......................... : Ethernet
    Physical address ........................ : 1C-1B-0D-3C-47-91

    Software Loopback Interface 1
    =============================
    Interface type .......................... : Loopback
    Physical address ........................ :

    Microsoft Teredo Tunneling Adapter
    ==================================
    Interface type .......................... : Tunnel
    Physical address ........................ : 00-00-00-00-00-00-00-E0

    Hyper-V Virtual Ethernet Adapter
    ================================
    Interface type .......................... : Ethernet
    Physical address ........................ : 5A-15-31-73-B0-9F

    Hyper-V Virtual Ethernet Adapter #2
    ===================================
    Interface type .......................... : Ethernet
    Physical address ........................ : 5A-15-31-08-13-B1

但是可以看到里面有很多不需要使用的网卡，从堆栈网找到的方法获取当前有活跃的 ip 的网卡可以通过先判断是不是本地巡回网络等，然后判断有没有网络

foreach (NetworkInterface adapter in nics.Where(c =>
    c.NetworkInterfaceType != NetworkInterfaceType.Loopback && c.OperationalStatus == OperationalStatus.Up))

获取当前的网卡有没 ip 有 ip 才是需要的

IPInterfaceProperties properties = adapter.GetIPProperties();

    var unicastAddresses = properties.UnicastAddresses;
    foreach (var temp in unicastAddresses.Where(temp =>
     temp.Address.AddressFamily == AddressFamily.InterNetwork))
    {
     // 这个才是需要的网卡
    }

简单输出网卡使用 adapter.GetPhysicalAddress().ToString() 输出，如果需要输出带连接的请使用 GetAddressBytes 然后自己输出

下面的代码是我抽出来的，可以直接使用

public static void GetActiveMacAddress(string separator = "-")
  {
   NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();

   //Debug.WriteLine("Interface information for {0}.{1}  ",
   // computerProperties.HostName, computerProperties.DomainName);
   if (nics == null || nics.Length < 1)
   {
    Debug.WriteLine(" No network interfaces found.");
    return;
   }

   var macAddress = new List<string>();

   //Debug.WriteLine(" Number of interfaces .................... : {0}", nics.Length);
   foreach (NetworkInterface adapter in nics.Where(c =>
    c.NetworkInterfaceType != NetworkInterfaceType.Loopback && c.OperationalStatus == OperationalStatus.Up))
   {
    //Debug.WriteLine("");
    //Debug.WriteLine(adapter.Name + "," + adapter.Description);
    //Debug.WriteLine(string.Empty.PadLeft(adapter.Description.Length, '='));
    //Debug.WriteLine(" Interface type .......................... : {0}", adapter.NetworkInterfaceType);
    //Debug.Write(" Physical address ........................ : ");
    //PhysicalAddress address = adapter.GetPhysicalAddress();
    //byte[] bytes = address.GetAddressBytes();
    //for (int i = 0; i < bytes.Length; i++)
    //{
    // // Display the physical address in hexadecimal.
    // Debug.Write($"{bytes[i]:X2}");
    // // Insert a hyphen after each byte, unless we are at the end of the 
    // // address.
    // if (i != bytes.Length - 1)
    // {
    //  Debug.Write("-");
    // }
    //}

    //Debug.WriteLine("");

    //Debug.WriteLine(address.ToString());

    IPInterfaceProperties properties = adapter.GetIPProperties();

    var unicastAddresses = properties.UnicastAddresses;
    if (unicastAddresses.Any(temp => temp.Address.AddressFamily == AddressFamily.InterNetwork))
    {
     var address = adapter.GetPhysicalAddress();
     if (string.IsNullOrEmpty(separator))
     {
      macAddress.Add(address.ToString());
     }
     else
     {
      macAddress.Add(string.Join(separator, address.GetAddressBytes()));
     }
    }
   }
  }

上面的方法不仅是在 dotnet core 可以使用，在 dotnet framework 程序同样调用，但是在 dotnet framework 还可以通过 WMI 获取

在 dotnet framework 使用 WMI 获取 MAC 地址方法

var managementClass = new ManagementClass("Win32_NetworkAdapterConfiguration");
     var managementObjectCollection = managementClass.GetInstances();
     foreach (var managementObject in managementObjectCollection.OfType<ManagementObject>())
     {
      using (managementObject)
      {
       if ((bool) managementObject["IPEnabled"])
       {
        if (managementObject["MacAddress"] == null)
        {
         return string.Empty;
        }

        return managementObject["MacAddress"].ToString().ToUpper();
       }
      }
     }

输出的格式是 5A:15:31:73:B0:9F 同时输出是一个网卡

NetworkInterface.GetPhysicalAddress Method (System.Net.NetworkInformation)

PhysicalAddress Class (System.Net.NetworkInformation)

c# - .NET Core 2.x how to get the current active local network IPv4 address? - Stack Overflow

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

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