C# 调用DOS 命令

  class NetWorkDeviceInfo

    {

        public static string GetDeviceInfo()

        {

            System.Diagnostics.Process p = new System.Diagnostics.Process();

            p.StartInfo.FileName = "netsh.exe";

            p.StartInfo.Arguments = "wlan show interfaces";

            p.StartInfo.UseShellExecute = false;

            p.StartInfo.RedirectStandardOutput = true;

            p.Start();

            string s = p.StandardOutput.ReadToEnd();

            Console.WriteLine(s);

            string s1 = s.Substring(s.IndexOf("SSID"));

            s1 = s1.Substring(s1.IndexOf(":"));

            s1 = s1.Substring(2, s1.IndexOf(" ")).Trim();

            if (s.IndexOf("Signal") > 0)

            {

                string s2 = s.Substring(s.IndexOf("Signal"));

                s2 = s2.Substring(s2.IndexOf(":"));

                s2 = s2.Substring(2, s2.IndexOf(" ")).Trim();

                var Text = "WIFI connected to " + s1 + "  " + s2;

            }

            p.WaitForExit();

            return s;

        }

    }