cmd执行命令返回执行信息

  /// <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;
        }