好得很程序员自学网

<tfoot draggable='sEl'></tfoot>

Windows系统中C#调用WinRAR来压缩和解压缩文件的方法

过程说明都在注释里,我们直接来看代码:
压缩:

?

using System;

 

using System.Collections.Generic;

 

using System.Linq;

 

using System.Text;

 

using System.IO;

 

using ICSharpCode.SharpZipLib.Zip;

 

using System.Diagnostics;

 

public class winrar

 

{

   #region 压缩文件

 

   /// <summary>

 

   /// 压缩文件

 

   /// </summary>

 

   /// <param name="filesPath">压缩文件及完整路径(D:\abc)</param>

 

   /// <param name="zipFilePath">压缩包所存完整路径(D:\a.zip或d:\a.rar)</param>

 

   public static void CreateZipFile( string filesPath, string zipFilePath)

 

   {

 

     if (!Directory.Exists(filesPath))

 

     {

 

       Console.WriteLine( "Cannot find directory '{0}'" , filesPath);

 

       return ;

 

     }

 

     try

 

     {

 

       string [] filenames = Directory.GetFiles(filesPath);

 

       using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFilePath)))

 

       {

 

         s.SetLevel(9); // 压缩级别 0-9

 

         //s.Password = "123"; //Zip压缩文件密码

 

         byte [] buffer = new byte [4096]; //缓冲区大小

 

         foreach ( string file in filenames)

 

         {

 

           ZipEntry entry = new ZipEntry(Path.GetFileName(file));

 

           entry.DateTime = DateTime.Now;

 

           s.PutNextEntry(entry);

 

           using (FileStream fs = File.OpenRead(file))

 

           {

 

             int sourceBytes;

 

             do

 

             {

 

               sourceBytes = fs.Read(buffer, 0, buffer.Length);

 

               s.Write(buffer, 0, sourceBytes);

 

             } while (sourceBytes > 0);

 

           }

 

         }

 

         s.Finish();

 

         s.Close();

 

       }

 

     }

 

     catch (Exception ex)

 

     {

 

       AutoCompare.ErrorLog.SaveError(ex, "压缩文件出错!" );

 

     }

 

   }

 

   #endregion

 

   #region 解压文件

 

   /// <summary>

 

   /// 解压文件

 

   /// </summary>

 

   /// <param name="zipFilePath">解压文件及完整路径(d:\a.zip或d:\a.rar)</param>

 

   public static void UnZipFile( string zipFilePath)

 

   {

 

     if (!File.Exists(zipFilePath))

 

     {

 

       Console.WriteLine( "Cannot find file '{0}'" , zipFilePath);

 

       return ;

 

     }

 

     using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))

 

     {

 

       ZipEntry theEntry;

 

       while ((theEntry = s.GetNextEntry()) != null )

 

       {

 

         Console.WriteLine(theEntry.Name);

 

         string directoryName = Path.GetDirectoryName(theEntry.Name);

 

         string fileName = Path.GetFileName(theEntry.Name);

 

         // create directory

 

         if (directoryName.Length > 0)

 

         {

 

           Directory.CreateDirectory(directoryName);

 

         }

 

         if (fileName != String.Empty)

 

         {

 

           using (FileStream streamWriter = File.Create(theEntry.Name))

 

           {

 

             int size = 2048;

 

             byte [] data = new byte [2048];

 

             while ( true )

 

             {

 

               size = s.Read(data, 0, data.Length);

 

               if (size > 0)

 

               {

 

                 streamWriter.Write(data, 0, size);

 

               }

 

               else

 

               {

 

                 break ;

 

               }

 

             }

 

           }

 

         }

 

       }

 

     }

 

   }

 

   #endregion

 

   string rarFile=@"C:\Program Files\WinRAR\WinRAR.exe";//winrar之所在的路径,这里找执行文件所在文件夹和"C:\Program Files\WinRAR\WinRAR.exe

?

#region RAR压缩文件(支持路径中含有空格)

 

/// <summary>

 

  /// 压缩到.rar

 

  /// </summary>

 

  /// <param name="intputPath">输入目录</param>

 

  /// <param name="outputPath">输出目录</param>

 

  /// <param name="outputFileName">输出文件名</param>

 

 

 

  public static void CompressRar( string intputPath, string outputPath, string outputFileName)

 

  {

 

    //rar 执行时的命令、参数

 

    string rarCmd;

 

    //启动进程的参数

 

    ProcessStartInfo processStartInfo;

 

    //进程对象

 

    Process process;

 

//命令参数

 

rarCmd = " a " + outputFileName + " " + intputPath + " -r -ep1" ;

 

//rar路径

 

string rarFile = System.Windows.Forms.Application.StartupPath + @"\rar.exe" ;

 

if (outputPath.IndexOf( ' ' ) > 0 || intputPath.IndexOf( ' ' ) > 0)

 

{

 

  rarCmd = " a " + outputFileName + " \"" + intputPath + "\" -r -ep1" ;

 

}

 

if (!File.Exists(System.Windows.Forms.Application.StartupPath + @"\rar.exe" ))

 

{

 

  rarFile= @"C:\Program Files\WinRAR\WinRAR.exe" ;

 

}

 

    try

 

    {

 

     

 

      //判断输入目录是否存在

 

      if (!Directory.Exists(intputPath))

 

      {

 

        throw new ArgumentException( "CompressRar'arge : inputPath isn't exsit." );

 

      }

 

     

 

      //创建启动进程的参数

 

      processStartInfo = new ProcessStartInfo();

 

      //指定启动文件名

 

      processStartInfo.FileName = @"C:\Program Files\WinRAR\WinRAR.exe" ;

 

      //指定启动该文件时的命令、参数

 

      processStartInfo.Arguments = rarCmd;

 

      //指定启动窗口模式:隐藏

 

      processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;

 

      //指定压缩后到达路径

 

      processStartInfo.WorkingDirectory = outputPath;

 

      //创建进程对象

 

      process = new Process();

 

      //指定进程对象启动信息对象

 

      process.StartInfo = processStartInfo;

 

      //启动进程

 

      process.Start();

 

      //指定进程自行退行为止

 

      process.WaitForExit();

 

    }

 

    catch (Exception ex)

 

    {

 

      throw ex;

 

    }

 

  }

 

#endregion

 

#region RAR解压文件(支持路径中含有空格)

 

/// <summary>

 

/// 解压文件

 

/// </summary>

 

/// <param name="outputPath">解压到的路径</param>

 

/// <param name="inputPath">压缩包所在路径(解压路径需存在)</param>

 

/// <param name="inputFileName">压缩包名</param>

 

/// <returns></returns>

 

?

public static void DecompressRar( string outputPath, string inputPath, string inputFileName)

 

  {

 

  //rar 执行时的命令、参数

 

  string rarCmd;

 

  //启动进程的参数

 

  ProcessStartInfo processStartInfo;

 

  //进程对象

 

  Process process;

 

  //rar路径

 

  string rarFile =System.Windows.Forms.Application.StartupPath + @"\rar.exe" ;

 

  //命令参数

 

  rarCmd = " e " + inputFileName + " " + outputPath + " -r -ep1" ;

 

  if (outputPath.IndexOf( ' ' ) > 0 || inputPath.IndexOf( ' ' ) > 0)

 

  {

 

   rarCmd = "x -inul -y -o+ -ep1 \"" + inputPath + "\\" + inputFileName + "\" \"" + outputPath+ "\"" ;

 

  }

 

  if (!File.Exists(System.Windows.Forms.Application.StartupPath + @"\rar.exe" ))

 

  {

 

   rarFile= @"C:\Program Files\WinRAR\WinRAR.exe" ;

 

  }

 

  try

 

  {

 

   //创建启动进程的参数

 

   processStartInfo = new ProcessStartInfo();

 

   //指定启动文件名

 

   processStartInfo.FileName = rarFile;

 

   //指定启动该文件时的命令、参数

 

   processStartInfo.Arguments = rarCmd;

 

   //指定启动窗口模式:隐藏

 

   processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;

 

   //指定解压后到达路径(文件夹需要存在)

 

   processStartInfo.WorkingDirectory = inputPath;

 

   //创建进程对象

 

   process = new Process();

 

   //指定进程对象启动信息对象

 

   process.StartInfo = processStartInfo;

 

   //启动进程

 

   process.Start();

 

   //指定进程自行退行为止

 

   process.WaitForExit();

 

   //释放资源

 

   process.Close();

 

  }

 

  catch (Exception ex)

 

  {

 

   throw ex;

 

  }

 

  }

 

  #endregion

 

}

解压:

?

class UseWinRar

   {

     private string rarExeFile = null ; //WinRar.exe路径

     private bool useAble = false ; //标志WinRar是否可用

 

     public UseWinRar() //构造方法

     {

       rarExeFile = getRarExe();

       useAble = ! string .IsNullOrEmpty(rarExeFile); //如果WinRar.exe路径不为空,说明可用

     }

 

     public static string getRarExe() //获取WinRar所在磁盘路径

     {

       string rarExe = null ;

       RegistryKey regKey = Registry.LocalMachine.OpenSubKey( @"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe" );

       if (regKey == null )

       {

         return null ;

       }

       rarExe = regKey.GetValue( "" ).ToString();

       regKey.Close(); //关闭注册表

       return rarExe;

     }

 

     public bool exeRarCmd( string cmd) //执行某个命令

     {

       if (!useAble)

       {

         return false ;

       }

       Process process = new Process(); //新建一个过程

       ProcessStartInfo startInfo = new ProcessStartInfo(rarExeFile); //新建一个启动信息

       startInfo.Arguments = cmd; //设置启动信息的执行参数

       //startInfo.WorkingDirectory = workDirectory;//设置启动信息的工作目录

       startInfo.WindowStyle = ProcessWindowStyle.Hidden; //设置程序后台运行

       process.StartInfo = startInfo; //设置过程的启动信息

       process.Start(); //开始过程

       return true ;

     }

 

     public bool unZipAll( string zipFile, string targetDirectory) //将指定压缩文件解压到指定目录

     {

       if (! File.Exists(zipFile))

       {

         return false ;

       }

       string zipCmd = "x " + zipFile + " " + targetDirectory + " -y -ibck" ; //后台解压压缩文件中全部文件到指定目录

       exeRarCmd(zipCmd); //执行解压操作

       return true ;

     }

 

     public bool unZipToCurrentDirectory( string zipFile) //将压缩文件解压到当前目录

     {

       if (!File.Exists(zipFile))

       {

         return false ;

       }

       FileInfo fileInfo = new FileInfo(zipFile);

       return unZipAll(zipFile, fileInfo.DirectoryName);

     }

   }

  

Main:

public static void Main()

     {

       UseWinRar rar = new UseWinRar();

       string [] zipFiles = Directory.GetFiles(Environment.CurrentDirectory, "*.zip" ); //获取所有zip文件路径

       foreach ( string zipFile in zipFiles)

       {

         rar.unZipToCurrentDirectory(zipFile);

       }

     }

dy("nrwz");

查看更多关于Windows系统中C#调用WinRAR来压缩和解压缩文件的方法的详细内容...

  阅读:47次