/// <summary>/// 根據網卡類型來獲取mac地址/// </summary>/// <param name="networkType">網卡類型</param>/// <param name="macAddressFormatHanlder">格式化獲取到的mac地址</param>/// <returns>獲取到的mac地址</returns>public static string GetMacAddress(NetworkInterfaceType networkType, Func<string, string> macAddressFormatHanlder){  string _mac = string.Empty;  NetworkInterface[] _networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();  foreach (NetworkInterface adapter in _networkInterfaces)  { if (adapter.NetworkInterfaceType == networkType) {   _mac = adapter.GetPhysicalAddress().ToString();   if (!String.IsNullOrEmpty(_mac)) break; }  }  if (macAddressFormatHanlder != null) _mac = macAddressFormatHanlder(_mac);  return _mac;}/// <summary>/// 根據網卡類型以及網卡狀態獲取mac地址/// </summary>/// <param name="networkType">網卡類型</param>/// <param name="status">網卡狀態</param>///Up 網絡接口已運行，可以傳輸數據包。 ///Down 網絡接口無法傳輸數據包。 ///Testing 網絡接口正在運行測試。 ///Unknown 網絡接口的狀態未知。 ///Dormant 網絡接口不處于傳輸數據包的狀態；它正等待外部事件。 ///NotPresent 由于缺少組件（通常為硬件組件），網絡接口無法傳輸數據包。 ///LowerLayerDown 網絡接口無法傳輸數據包，因為它運行在一個或多個其他接口之上，而這些“低層”接口中至少有一個已關閉。 /// <param name="macAddressFormatHanlder">格式化獲取到的mac地址</param>/// <returns>獲取到的mac地址</returns>public static string GetMacAddress(NetworkInterfaceType networkType, OperationalStatus status, Func<string, string> macAddressFormatHanlder){  string _mac = string.Empty;  NetworkInterface[] _networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();  foreach (NetworkInterface adapter in _networkInterfaces)  { if (adapter.NetworkInterfaceType == networkType) {   if (adapter.OperationalStatus != status) continue;   _mac = adapter.GetPhysicalAddress().ToString();   if (!String.IsNullOrEmpty(_mac)) break; }  }  if (macAddressFormatHanlder != null) _mac = macAddressFormatHanlder(_mac);  return _mac;}/// <summary>/// 獲取讀到的第一個mac地址/// </summary>/// <returns>獲取到的mac地址</returns>public static string GetMacAddress(Func<string, string> macAddressFormatHanlder){  string _mac = string.Empty;  NetworkInterface[] _networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();  foreach (NetworkInterface adapter in _networkInterfaces)  { _mac = adapter.GetPhysicalAddress().ToString(); if (!string.IsNullOrEmpty(_mac))   break;  }  if (macAddressFormatHanlder != null) _mac = macAddressFormatHanlder(_mac);  return _mac;}