Process p = new Process();
string path = ...;//bat路径
ProcessStartInfo pi= new ProcessStartInfo(path, ...);//第二个参数为传入的参数,string类型以空格分隔各个参数
pi.UseShellExecute = false;
pi.RedirectStandardOutput = true;
p.StartInfo = pi;
p.Start();
p.WaitForExit();
string output = p.StandardOutput.ReadToEnd();
echo %1 %2 %3
pause