程序调用CMD&输出重定向到指定文件

 

题记：在自己的程序中调用CMD执行某个命令，将结果输出到某文件保存，以供使用

 

两种方法：

1、调用CMD后逐行读取写入文件

2、使用CMD的重定向输出命令

 

using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Diagnostics;
 
 namespace aboutls
 {
     internal class DosCommandDo
     {        
         public static void Execute(string dosCommand, string fileName, int milliseconds)
         {
             if (dosCommand != null && dosCommand != "")
             {   
                 //TODO judgement the fileName
                 Process process = new Process();
                 ProcessStartInfo startInfo = new ProcessStartInfo();
                 startInfo.FileName = "cmd.exe";
                 startInfo.Arguments = "/c " + dosCommand;
                 startInfo.UseShellExecute = false;
                 startInfo.RedirectStandardInput = false;
                 startInfo.RedirectStandardOutput = true;
                 startInfo.CreateNoWindow = true;
                 process.StartInfo = startInfo;
 
                 try
                 {
                     if (process.Start())
                     {
                         if (milliseconds == 0)                        
                             process.WaitForExit();                        
                         else                        
                             process.WaitForExit(milliseconds);
                             
                         System.IO.StreamWriter sw = new System.IO.StreamWriter(fileName,
                             false, System.Text.Encoding.GetEncoding("gb2312"));
                         System.IO.StreamReader reader = process.StandardOutput;//截取输出流
                         string line = reader.ReadLine();//每次读取一行
                         sw.WriteLine(line);
                         sw.Flush();
 
                         while (!reader.EndOfStream)
                         {
                             line = reader.ReadLine();
                             sw.WriteLine(line);
                             sw.Flush();
                         }
 
                         if (reader != null)                        
                             reader.Close();
                         if (sw != null)
                             sw.Close(); 
                     }
                 }
                 catch (Exception e)
                 {
                     Console.WriteLine(e.Message);
                 }
                 finally
                 {
                     if (process != null)                    
                         process.Close();
                 }
             }       
         }
 
         public static void ExecuteOut(string dosCommand, string fileName, int milliseconds)
         {
             if (dosCommand != null && dosCommand != "")
             {
                 Process process = new Process();
                 ProcessStartInfo startInfo = new ProcessStartInfo();
                 startInfo.FileName = "cmd.exe";
                 startInfo.Arguments = "/c " + dosCommand + " > "+fileName;
                 startInfo.UseShellExecute = false;
                 startInfo.RedirectStandardInput = false;
                 startInfo.RedirectStandardOutput = true;
                 startInfo.CreateNoWindow = true;
                 process.StartInfo = startInfo;
 
                 try
                 {
                     if (process.Start())
                     {
                         if (milliseconds == 0)
                             process.WaitForExit();
                         else
                             process.WaitForExit(milliseconds);
                     }
                 }
                 catch (Exception e)
                 {
                     Console.WriteLine(e.Message);
                 }
                 finally
                 {
                     if (process != null)
                     
                         process.Close();
                 }
             }
         }
     }
 }