获取客户端的MAC地址

using System.Text.RegularExpressions;
using System.Diagnostics;

/// 获取客户端本地MAC

/// CODE CREATE BY BANLAO
/// </summary>
/// <param name="strIP">客户端的IP</param>
/// <returns></returns>

public string _GetCustomerMac(string strIP)
{
string strResults = "";
ProcessStartInfo psi = new ProcessStartInfo();
Process proc = new Process();
psi.FileName = "nbtstat";
psi.RedirectStandardInput = false;
psi.RedirectStandardOutput = true;
psi.Arguments = "-a " + strIP;
psi.UseShellExecute = false;
proc = Process.Start(psi);
strResults = proc.StandardOutput.ReadToEnd();
proc.WaitForExit();

//匹配mac地址
Match m = Regex.Match(strResults, "//w+//-//w+//-//w+//-//w+//-//w+//-//w//w");

//若匹配成功则返回mac，否则返回找不到主机信息
if (m.ToString() != "")
{
return m.ToString();
}
else
{
return "";
}
}