详细: p.StartInfo.FileName = "cmd.exe"; p.StartInfo.UseShellExecute = false; p.StartInfo.RedirectStandardInput = true; p.StartInfo.RedirectStandardOutput = true; p.StartInfo.RedirectStandardError = true; p.StartInfo.CreateNoWindow = true; p.Start(); p.StandardInput.WriteLine(txtIP.Text); StreamReader reader = p.StandardOutput; StringBuilder sb = new StringBuilder(); string line = reader.ReadLine(); while (!reader.EndOfStream) { rtbValue.AppendText(line + "\r"); line = reader.ReadLine(); } p.WaitForExit(); lbShow.Visible = false; p.Close(); reader.Close();一运行就卡.!!