C#调用cmd执行命令获取返回值

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本文以bat批量处理文件做的,在处理过程中动态显示出来每条命令执行的结果,采用的是读取每行命令,调用cmd执行,获取返回值,此方法不是唯一方法


using System;using System.Diagnostics;using System.IO;namespace ConsoleApplication4{    class Program    {        static void Main(string[] args)        {            //@"F:\blockly-du\test_for_BAT\Du.BAT"            //打开BAT            StreamReader sr = new StreamReader(@"F:\blockly-du\test_for_BAT\Du.BAT");            string line = string.Empty;            while ((line = sr.ReadLine()) != null)            {                //cmd(line);                Console.WriteLine(cmd(line));            }            return;        }        static string cmd(string sr)        {            Process pro = null;            string ll = string.Empty;            try            {                pro = new Process();                pro.StartInfo.FileName = "cmd.exe";             //cmd                pro.StartInfo.UseShellExecute = false;          //不显示shell                pro.StartInfo.CreateNoWindow = true;            //不创建窗口                pro.StartInfo.RedirectStandardInput = true;     //打开流输入                pro.StartInfo.RedirectStandardOutput = true;    //打开流输出                pro.StartInfo.RedirectStandardError = true;     //打开错误流                                pro.Start();//执行                pro.StandardInput.WriteLine(sr + "&exit");      //&exit运行完立即退出                pro.StandardInput.AutoFlush = true;             //清缓存                ll = pro.StandardOutput.ReadToEnd();            //读取输出                                pro.WaitForExit();                              //等待程序执行完退出进程                  pro.Close();//结束                  return ll;            }            catch (Exception ex)            {                Console.WriteLine("Exception Occurred :{0},{1}", ex.Message, ex.StackTrace.ToString());                return null;            }        }    }}