如何用C#+WinRAR 实现压缩

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前提：必须安装 WinRAR

1. 工具类

using System;using System.Diagnostics;using System.IO;using Microsoft.Win32;namespace Util{    public class RARClass    {        /// <summary>        /// 获取WinRAR.exe路径        /// </summary>        /// <returns>为空则表示未安装WinRAR</returns>        public static string ExistsRAR()        {            RegistryKey regkey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe");            //RegistryKey regkey = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\shell\open\command");            string strkey = regkey.GetValue("").ToString();            regkey.Close();            //return strkey.Substring(1, strkey.Length - 7);            return strkey;        }        /// <summary>        /// 解压RAR文件        /// </summary>        /// <param name="rarFilePath">要解压的文件路径</param>        /// <param name="unrarDestPath">解压路径（绝对路径）</param>        public static void UnRAR(string rarFilePath, string unrarDestPath)        {            string rarexe = ExistsRAR();            if (String.IsNullOrEmpty(rarexe))            {                throw new Exception("未安装WinRAR程序。");            }            try            {                //组合出需要shell的完整格式                string shellArguments = string.Format("x -o+ \"{0}\" \"{1}\\\"", rarFilePath, unrarDestPath);                //用Process调用                using (Process unrar = new Process())                {                    ProcessStartInfo startinfo = new ProcessStartInfo();                    startinfo.FileName = rarexe;                    startinfo.Arguments = shellArguments;               //设置命令参数                    startinfo.WindowStyle = ProcessWindowStyle.Hidden;  //隐藏 WinRAR 窗口                    unrar.StartInfo = startinfo;                    unrar.Start();                    unrar.WaitForExit();//等待解压完成                    unrar.Close();                }            }            catch            {                throw;            }        }        /// <summary>        ///  压缩为RAR文件        /// </summary>        /// <param name="filePath">要压缩的文件路径（绝对路径）</param>        /// <param name="rarfilePath">压缩到的路径（绝对路径）</param>        public static void RAR(string filePath, string rarfilePath,  string otherPara )        {            RAR(filePath, rarfilePath, "", "", otherPara);        }        /// <summary>        ///  压缩为RAR文件        /// </summary>        /// <param name="filePath">要压缩的文件路径（绝对路径）</param>        /// <param name="rarfilePath">压缩到的路径（绝对路径）</param>        /// <param name="rarName">压缩后压缩包名称</param>        public static void RAR(string filePath, string rarfilePath, string rarName, string otherPara)        {            RAR(filePath, rarfilePath, rarName, "", otherPara);        }        /// <summary>        ///  压缩为RAR文件        /// </summary>        /// <param name="filePath">要压缩的文件路径（绝对路径）</param>        /// <param name="rarfilePath">压缩到的路径（绝对路径）</param>        /// <param name="rarName">压缩后压缩包名称</param>        /// <param name="password">解压密钥</param>        public static void RAR(string filePath, string rarfilePath, string rarName, string password, string otherPara)        {            string rarexe = ExistsRAR();            if (String.IsNullOrEmpty(rarexe))            {                throw new Exception("未安装WinRAR程序。");            }            if (!Directory.Exists(filePath))            {                //throw new Exception("文件不存在！");            }            if (String.IsNullOrEmpty(rarName))            {                rarName = Path.GetFileNameWithoutExtension(filePath) + ".rar";            }            else            {                if (Path.GetExtension(rarName).ToLower() != ".rar")                {                    rarName += ".rar";                }            }            try            {                //Directory.CreateDirectory(rarfilePath);                //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)                string shellArguments;                if (String.IsNullOrEmpty(password))                {                    shellArguments = string.Format("a -ep1 \"{0}\" \"{1}\" -r", rarName, filePath);                }                else                {                    shellArguments = string.Format("a -ep1 \"{0}\" \"{1}\" -r -p\"{2}\"", rarName, filePath, password);                }                if (!string.IsNullOrEmpty(otherPara))                 {                    shellArguments = shellArguments + " " + otherPara;                }                                using (Process rar = new Process())                {                    ProcessStartInfo startinfo = new ProcessStartInfo();                    startinfo.FileName = rarexe;                    startinfo.Arguments = shellArguments;               //设置命令参数                    startinfo.WindowStyle = ProcessWindowStyle.Hidden;  //隐藏 WinRAR 窗口                    startinfo.WorkingDirectory = rarfilePath;                    rar.StartInfo = startinfo;                    rar.Start();                    rar.WaitForExit(); //无限期等待进程 winrar.exe 退出                    rar.Close();                }            }            catch            {                throw;            }        }    }}

2. 测试程序

using System;using Util;namespace ConsoleApplication2{    class Program    {        static void Main(string[] args)        {            string path = "d:\\data.txt";            string rarPath = "d:\\";            string rarName = "";            RARClass.RAR(path, rarPath, rarName, "-agYYYYMMDD -ibck");            Console.WriteLine("End");            Console.Read();        }    }}

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