/// <summary>
/// 根據(jù)網(wǎng)卡類型來獲取mac地址
/// </summary>
/// <param name="networkType">網(wǎng)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(jù)網(wǎng)卡類型以及網(wǎng)卡狀態(tài)獲取mac地址
/// </summary>
/// <param name="networkType">網(wǎng)卡類型</param>
/// <param name="status">網(wǎng)卡狀態(tài)</param>
///Up 網(wǎng)絡(luò)接口已運行，可以傳輸數(shù)據(jù)包。 
///Down 網(wǎng)絡(luò)接口無法傳輸數(shù)據(jù)包。 
///Testing 網(wǎng)絡(luò)接口正在運行測試。 
///Unknown 網(wǎng)絡(luò)接口的狀態(tài)未知。 
///Dormant 網(wǎng)絡(luò)接口不處于傳輸數(shù)據(jù)包的狀態(tài)；它正等待外部事件。 
///NotPresent 由于缺少組件（通常為硬件組件），網(wǎng)絡(luò)接口無法傳輸數(shù)據(jù)包。 
///LowerLayerDown 網(wǎng)絡(luò)接口無法傳輸數(shù)據(jù)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(guān)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;
}