获取网卡MAC

using System.Net;

public static string getmac()
{
string mac = "";
NetworkInterface[] aclLocalNetworkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface adapter in aclLocalNetworkInterfaces)
{
if (IsEthernet(adapter))
{
mac += adapter.GetPhysicalAddress().ToString().Replace(":", "");
}
}
return mac;
}