/// <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 rarPath, string rarName)

{

bool flag = false;

string rarexe;

RegistryKey regkey;

Object regvalue;

string cmd;

ProcessStartInfo startinfo;

Process process;

try

{

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

regvalue = regkey.GetValue("");

rarexe = regvalue.ToString();

regkey.Close();

// rarexe = rarexe.Substring(1, rarexe.Length -1);

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", rarName, 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;

}