using System;

using Microsoft.Win32;

using System.Diagnostics;

using System.IO;

 

namespace MSCL

{

    /// <summary>

    /// 压缩解压类

    /// </summary>

    public class ZipHelper

    {

        /// <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(@"Applications\WinRAR.exe\shell\open\command");

                regvalue = regkey.GetValue("WinRAR");  // 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(@"Applications\WinRAR.exe\shell\open\command");

                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;

        }

    }

}