Process myProcess = new Process(); ProcessStartInfo startInfo = new ProcessStartInfo("ffprobe.exe"); string parms = File.ReadAllText("ffprobe.txt"); parms = parms.Replace("{mp4}", mp4); startInfo.Arguments = parms; //运行参数 string 类型 //不显示窗体 startInfo.CreateNoWindow = true; startInfo.UseShellExecute = false; startInfo.RedirectStandardOutput = true; myProcess.StartInfo = startInfo; myProcess.Start(); string times = myProcess.StandardOutput.ReadToEnd(); myProcess.WaitForExit();