C# 使用WinRar命令压缩和解压缩

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using System.Diagnostics;
using System.IO;

public partial class Zip : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    //压缩文件
    protected void Button1_Click(object sender, EventArgs e)
    {
        ProcessStartInfo startinfo = new ProcessStartInfo(); ;
        Process process = new Process();
        string rarName = "1.rar"; //压缩后文件名
        string path = @"C:\images"; //待压缩打包文件夹
        string rarPath = @"C:\zip";  //压缩后存放文件夹
        string rarexe = @"c:\Program Files\WinRAR\WinRAR.exe";  //WinRAR安装位置

        try
        {
            //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 cmd = string.Format("a {0} {1} -r",
                                rarName,
                                path);
            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.StartInfo = startinfo;
            process.Start();
            process.WaitForExit(); //无限期等待进程 winrar.exe 退出
            if (process.HasExited)
            {
                MSCL.JsHelper.Alert("压缩成功！", Page);
            }
        }
        catch (Exception ex)
        {
            MSCL.JsHelper.Alert(ex.Message, Page);
        }
        finally
        {
            process.Dispose();
            process.Close();
        }        
    }

    //解压文件
    protected void Button2_Click(object sender, EventArgs e)
    {
        ProcessStartInfo startinfo = new ProcessStartInfo(); ;
        Process process = new Process();
        string rarName = "1.rar"; //将要解压缩的 .rar 文件名（包括后缀）
        string path = @"C:\images1"; //文件解压路径（绝对）
        string rarPath = @"C:\zip";  //将要解压缩的 .rar 文件的存放目录（绝对路径）
        string rarexe = @"c:\Program Files\WinRAR\WinRAR.exe";  //WinRAR安装位置

        try
        {
            //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
            string cmd = string.Format("x {0} {1} -y",
                                rarName,
                                path);
            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.StartInfo = startinfo;
            process.Start();
            process.WaitForExit(); //无限期等待进程 winrar.exe 退出
            if (process.HasExited)
            {
                MSCL.JsHelper.Alert("解压缩成功！", Page);
            }
        }
        catch (Exception ex)
        {
            MSCL.JsHelper.Alert(ex.Message, Page);
        }
        finally
        {
            process.Dispose();
            process.Close();
        }   
    }
}