C#利用WinRAR实现压缩和解压缩

using System;
using Microsoft.Win32;
using System.Diagnostics;
using System.IO;

namespace MSCL
{
    /// 
    /// 压缩解压类
    /// 
    public class ZipHelper
    {
        /// 
        /// 利用 WinRAR 进行压缩
        /// 
        /// 将要被压缩的文件夹(绝对路径)
        /// 压缩后的 .rar 的存放目录(绝对路径)
        /// 压缩文件的名称(包括后缀)
        /// true 或 false。压缩成功返回 true,反之,false。
        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;
        }


        /// 
        /// 利用 WinRAR 进行解压缩
        /// 
        /// 文件解压路径(绝对)
        /// 将要解压缩的 .rar 文件的存放目录(绝对路径)
        /// 将要解压缩的 .rar 文件名(包括后缀)
        /// true 或 false。解压缩成功返回 true,反之,false。
        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;
        }
    }
}

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