获取电脑和平板物理地址

   获取pc物理地址

命名空间：using System.Management;

   /// <summary>
    /// 获取mac物理地址
    /// </summary>
    /// <returns></returns>
    public string GetMac()
    {
        try
        {
            ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection queryCollection = query.Get();
            foreach (ManagementObject mo in queryCollection)
            {
                if (mo["IPEnabled"].ToString() == "True")
                    return mo["MacAddress"].ToString();
            }
            return "";
        }
        catch
        {
            return "";
        }
    }

获取平板mac地址:

命名空间：

using System.Net;
using System.Runtime.InteropServices;

添加变量：

    

protected static string strJavaScript = string.Empty;
    [DllImport("Iphlpapi.dll")]
    private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
    [DllImport("Ws2_32.dll")]
    private static extern Int32 inet_addr(string ip);

  private void SetMac()
    {
        try
        {
            string treatment_id = Hid_treatment_id.Value;
            string mac = string.Empty;

            string ip = Request.UserHostAddress.ToString().Trim();
            try
            {
                mac = getMac();
            }
            catch { lbl.InnerText = "w33w"; }
            //mac = "00:01:36:D8:9C:C4";
           // lbl.InnerText = mac + "," + ip;
            if (mac != "您没有联网")
            {
                int iRetn = commonws.GetInt("CRRT/PAD-登录", "指定某治疗病人的平板MAC地址", new string[] { mac, treatment_id });                
            }           
        }
        catch { lbl.InnerText = "ww"; }
    }

    private string getMac()
    {
        string mac = "";
        string strClientIP = Request.UserHostAddress.ToString().Trim();
        Int32 ldest = inet_addr(strClientIP); //目的地的ip 
        Int32 lhost = inet_addr("");   //本地服务器的ip 
        Int64 macinfo = new Int64();
        Int32 len = 6;
        int res = SendARP(ldest, 0, ref macinfo, ref len);
        mac = macinfo.ToString("X");
        try
        {
            string[] arr_mac = new string[mac.Length / 2];
            int k = 0;
            for (int i = mac.Length; i > 0; i = i - 2)
            {
                arr_mac[k] = mac.Substring(i - 2, 2);
                k++;
            }
            mac = "";
            foreach (string chars in arr_mac)
            {
                mac += chars + ":";
            }
            mac = mac.TrimEnd(':');
        }
        catch { }
        return mac;

    }