C#实现rar压缩与解压缩文件的方法

/// 利用 WinRAR 进行压缩  
/// </summary>  
/// <param name="path">将要被压缩的文件夹（绝对路径）</param>  
/// <param name="rarPath">压缩后的 .rar 的存放目录（绝对路径）</param>
/// <param name="rarName">压缩文件的名称（包括后缀）</param>  
/// <returns>true 或 false。压缩成功返回 true，反之，false。</returns>
public bool RAR(string path,string rarPath,string rarName)  
{  
  bool flag = false;  
  string rarexe;    //WinRAR.exe 的完整路径  
  RegistryKey regkey; //注册表键  
  Object regvalue;   //键值  
  string cmd;     //WinRAR 命令参数  
  ProcessStartInfo startinfo;  
  Process process;  
  try 
  {  
    regkey = Registry.ClassesRoot.OpenSubKey(@"ApplicationsWinRAR.exeshellopencommand");  
    regvalue = regkey.GetValue(""); // 键值为 "d:Program FilesWinRARWinRAR.exe" "%1"  
    rarexe = regvalue.ToString();    
    regkey.Close();  
    rarexe = rarexe.Substring(1,rarexe.Length - 7); // d:Program FilesWinRARWinRAR.exe  
    Directory.CreateDirectory(path);  
    //压缩命令，相当于在要压缩的文件夹(path)上点右键 ->WinRAR->添加到压缩文件->输入压缩文件名(rarName)  
    cmd = string.Format("a {0} {1} -r",rarName,path);  
    startinfo = new ProcessStartInfo();  
    startinfo.FileName = rarexe;  
    startinfo.Arguments = cmd; //设置命令参数  
    startinfo.WindowStyle = ProcessWindowStyle.Hidden; //隐藏 WinRAR 窗口  
    startinfo.WorkingDirectory = rarPath;  
    process = new Process();  
    process.StartInfo = startinfo;  
    process.Start();  
    process.WaitForExit(); //无限期等待进程 winrar.exe 退出  
    if (process.HasExited)  
    {  
      flag = true;  
    }  
    process.Close();  
  }  
  catch (Exception e)  
  {  
    throw e;  
  }  
  return flag;  
}  
/// <summary>  
/// 利用 WinRAR 进行解压缩  
/// </summary>  
/// <param name="path">文件解压路径（绝对）</param>  
/// <param name="rarPath">将要解压缩的 .rar 文件的存放目录（绝对路径）</param>
/// <param name="rarName">将要解压缩的 .rar 文件名（包括后缀）</param>
/// <returns>true 或 false。解压缩成功返回 true，反之，false。</returns>
public bool UnRAR(string path,string rarName)  
{  
  bool flag = false;  
  string rarexe;  
  RegistryKey regkey;  
  Object regvalue;  
  string cmd;  
  ProcessStartInfo startinfo;  
  Process process;  
  try 
  {  
    regkey = Registry.ClassesRoot.OpenSubKey(@"ApplicationsWinRAR.exeshellopencommand");  
    regvalue = regkey.GetValue("");  
    rarexe = regvalue.ToString();  
    regkey.Close();  
    rarexe = rarexe.Substring(1,rarexe.Length - 7);  
    Directory.CreateDirectory(path);  
    //解压缩命令，相当于在要压缩文件(rarName)上点右键 ->WinRAR->解压到当前文件夹  
    cmd = string.Format("x {0} {1} -y",path);  
    startinfo = new ProcessStartInfo();  
    startinfo.FileName = rarexe;  
    startinfo.Arguments = cmd;  
    startinfo.WindowStyle = ProcessWindowStyle.Hidden;  
    startinfo.WorkingDirectory = rarPath;  
    process = new Process();  
    process.StartInfo = startinfo;  
    process.Start();  
    process.WaitForExit();  
    if (process.HasExited)  
    {  
      flag = true;  
    }  
    process.Close();  
  }  
  catch (Exception e)  
  {  
    throw e;  
  }  
  return flag;  
} 
/// <summary>
/// 利用 WinRAR 进行压缩
/// </summary>
/// <param name="path">将要被压缩的文件夹（绝对路径）</param>
/// <param name="rarPath">压缩后的 .rar 的存放目录（绝对路径）</param>
/// <param name="rarName">压缩文件的名称（包括后缀）</param>
/// <returns>true 或 false。压缩成功返回 true，反之，false。</returns>
public bool RAR(string path,string rarName)
{
  bool flag = false;
  string rarexe;    //WinRAR.exe 的完整路径
  RegistryKey regkey; //注册表键
 Object regvalue;   //键值
 string cmd;     //WinRAR 命令参数
 ProcessStartInfo startinfo;
  Process process;
  try
  {
    regkey = Registry.ClassesRoot.OpenSubKey(@"ApplicationsWinRAR.exeshellopencommand");
    regvalue = regkey.GetValue(""); // 键值为 "d:Program FilesWinRARWinRAR.exe" "%1"
    rarexe = regvalue.ToString();  
    regkey.Close();
    rarexe = rarexe.Substring(1,rarexe.Length - 7); // d:Program FilesWinRARWinRAR.exe
    Directory.CreateDirectory(path);
    //压缩命令，相当于在要压缩的文件夹(path)上点右键 ->WinRAR->添加到压缩文件->输入压缩文件名(rarName)
    cmd = string.Format("a {0} {1} -r",path);
    startinfo = new ProcessStartInfo();
    startinfo.FileName = rarexe;
    startinfo.Arguments = cmd;             //设置命令参数
    startinfo.WindowStyle = ProcessWindowStyle.Hidden; //隐藏 WinRAR 窗口
    startinfo.WorkingDirectory = rarPath;
    process = new Process();
    process.StartInfo = startinfo;
    process.Start();
    process.WaitForExit(); //无限期等待进程 winrar.exe 退出
    if (process.HasExited)
    {
      flag = true;
    }
    process.Close();
 }
  catch (Exception e)
  {
    throw e;
  }
  return flag;
}
/// <summary>
/// 利用 WinRAR 进行解压缩
/// </summary>
/// <param name="path">文件解压路径（绝对）</param>
/// <param name="rarPath">将要解压缩的 .rar 文件的存放目录（绝对路径）</param>
/// <param name="rarName">将要解压缩的 .rar 文件名（包括后缀）</param>
/// <returns>true 或 false。解压缩成功返回 true，反之，false。</returns>
public bool UnRAR(string path,string rarName)
{
  bool flag = false;
  string rarexe;
  RegistryKey regkey;
  Object regvalue;
  string cmd;
  ProcessStartInfo startinfo;
  Process process;
  try
  {
    regkey = Registry.ClassesRoot.OpenSubKey(@"ApplicationsWinRAR.exeshellopencommand");
    regvalue = regkey.GetValue("");
    rarexe = regvalue.ToString();
    regkey.Close();
    rarexe = rarexe.Substring(1,rarexe.Length - 7);
    Directory.CreateDirectory(path);
    //解压缩命令，相当于在要压缩文件(rarName)上点右键 ->WinRAR->解压到当前文件夹
    cmd = string.Format("x {0} {1} -y",path);
    startinfo = new ProcessStartInfo();
    startinfo.FileName = rarexe;
    startinfo.Arguments = cmd;
    startinfo.WindowStyle = ProcessWindowStyle.Hidden;
    startinfo.WorkingDirectory = rarPath;
    process = new Process();
    process.StartInfo = startinfo;
    process.Start();
    process.WaitForExit();
    if (process.HasExited)
    {
      flag = true;
    }
    process.Close();
  }
  catch (Exception e)
  {
    throw e;
  }
  return flag;
}