获取mac地址和IP地址方式

第一种

public class OperateMAC
{
    public static string GetMacByWMI()
    {
        string MacAddr = null;
        //ManagementObjectSearcher Query = new ManagementObjectSearcher("select * from Win32_NetworkAdapterConfiguration");
        //ManagementObjectCollection QueryCollection = Query.Get(); 
        ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
        ManagementObjectCollection moc = mc.GetInstances();
        foreach (ManagementObject mo in moc)
        {
            if (mo["IPEnabled"].ToString() == "True")
                MacAddr = mo["MacAddress"].ToString();
        }
        return MacAddr;
    }    public static string GetIpByWMI()
    {
        string IpAddr = string.Empty;
        System.NET.IPAddress[] addressList = Dns.GetHostEntry(Dns.GetHostName()).AddressList;
        for (int i = 0; i < addressList.Length; i++)
        {
            IpAddr = addressList[i].ToString();
        }
        return IpAddr;
    }
}

第二种

private string GetMacAddress()
{
    List<string> macs = new List<string>();
    NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
    foreach (NetworkInterface ni in interfaces)
    {
        macs.Add(ni.GetPhysicalAddress().ToString());
    }
    return macs.FirstOrDefault();
}
private string GetIPAddress()
{
    string strHostName = Dns.GetHostName(); //得到本机的主机名  
    IPHostEntry ipEntry = Dns.GetHostEntry(strHostName); //取得本机IP  
    if (ipEntry.AddressList.Length == 0) return null;
    IPAddress ipAddress = ipEntry.AddressList.FirstOrDefault(item => item.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork);
    if (ipAddress == null) ipAddress = ipEntry.AddressList[0];
    return ipAddress.ToString();
}

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