WinRAR(WinZip)压缩与解压实现(C#版Window平台)
本文的原理是借助Windows平台安装的WinRAR(WinZip)实现C#程序的调用(注:WinRAR压缩解压WinZip同样适用)。
先来看WinRAR(WinZip)自身的支持调用命令:
压缩命令:a {0} {1} -r 【{0}:压缩后文件名|{1}:待压缩的文件物理路径】
ex:”a 你妹.rar f:\\MM -r” (含义为将f盘下MM的文件夹压缩为”你妹.rar”文件)
解压命令:x {0} {1} -y 【{0}:待解压文件名称|{1}:待解压文件物理路径】
ex:”x 幺妹.rar f:\\幺妹 -y”(待压缩文件物理路径:”f:\\幺妹\\幺妹.rar”)
参数说明
参数
含义
a
添加文件到压缩包
x
以完整路径从压缩包解开压缩
WinZip(WinRAR)调用通用类
/// <summary>
/// Name:Stone
/// DateTime: 2011/12/31 16:39:26
/// Description:WinRAR压缩
/// </summary>
public class WinRARCSharp
{
// WinRAR安装注册表key
private const string WinRAR_KEY = @"WinRAR.ZIP\shell\open\command";
/// <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 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(WinRAR_KEY);
regvalue = regkey.GetValue(""); // 键值为 "d:\Program Files\WinRAR\WinRAR.exe" "%1"
rarexe = regvalue.ToString();
regkey.Close();
rarexe = rarexe.Substring(1, rarexe.Length - 7); // d:\Program Files\WinRAR\WinRAR.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 rarPath, string rarName)
{
bool flag = false;
string rarexe;
RegistryKey regkey;
Object regvalue;
string cmd;
ProcessStartInfo startinfo;
Process process;
try
{
regkey = Registry.ClassesRoot.OpenSubKey(WinRAR_KEY);
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",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;
}