//压缩
    protected void btnY_Click(object sender, EventArgs e)
    {
        string rar;
        RegistryKey reg;
        string args;
        ProcessStartInfo procStart;
        Process process;
        try
        {
            reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\Shell\Open\Command");
            rar = reg.GetValue("").ToString();//获取注册表rar安装路径
            reg.Close();
            rar = rar.Substring(1, rar.Length - 7);//获取rar安装路径
            args = "a -inul -y G:\\temp.rar G:\\1.txt";//这里为rar的压缩命令格式（也可以自行扩展）
            procStart = new ProcessStartInfo();
            procStart.FileName = rar;
            procStart.Arguments = args;//参数
            procStart.WindowStyle = ProcessWindowStyle.Hidden;//窗口状态
            procStart.WorkingDirectory = Server.MapPath(""); ;//获取或设置要启动的进程的初始目录。
            process = new Process();
            process.StartInfo = procStart;
            process.Start();
            Response.Write("<script>alert('压缩成功')</script>");
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }
    }
    //解压
    protected void btnJ_Click(object sender, EventArgs e)
    {
        string rar;
        RegistryKey reg;
        string args;
        ProcessStartInfo startInfo;
        Process process;
        try
        {
            reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRar.exe\Shell\Open\Command");
            rar = reg.GetValue("").ToString();
            reg.Close();
            rar = rar.Substring(1, rar.Length - 7);
            args = " X E:\\temp.rar E:\\";
            startInfo = new ProcessStartInfo();
            startInfo.FileName = rar;
            startInfo.Arguments = args;
            startInfo.WindowStyle = ProcessWindowStyle.Hidden;
            process = new Process();
            process.StartInfo = startInfo;
            process.Start();
            Response.Write("<script>alert('解压成功')</script>");
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }
    }