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Windows系统中C#调用WinRAR来压缩和解压缩文件的方法

︶ㄣ米米素材网 メ
米米素材网V管理员 / 阅读
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这篇文章主要介绍了Windows系统中C#调用WinRAR来压缩和解压缩文件的方法,个人感觉在Windows中WinRAR相对7-zip更加稳定一些,需要的朋友可以参考下

过程说明都在注释里，我们直接来看代码：
压缩：

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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

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#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>

 

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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：

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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);
      }
    }