/// <summary>

        /// 执行CMD语句

        /// </summary>

        /// <param name="cmd">要执行的CMD命令</param>

        public string RunCmd(string cmd)

        {

            proc.StartInfo.CreateNoWindow = true;

            proc.StartInfo.FileName = "cmd.exe";

            proc.StartInfo.UseShellExecute = false;

            proc.StartInfo.RedirectStandardError = true;

            proc.StartInfo.RedirectStandardInput = true;

            proc.StartInfo.RedirectStandardOutput = true;

            proc.Start();

            proc.StandardInput.WriteLine(cmd);

            proc.StandardInput.WriteLine("exit");

            string outStr = proc.StandardOutput.ReadToEnd();

            proc.Close();

            return outStr;

        }