[转贴]Asp.Net[C#]在线压缩解压

出处：未知了..

 1.引用

using System.IO;
using Microsoft.Win32;
using System.Diagnostics;
/******************************************************    
程序用途:实现文件[文件夹]压缩解压功能函数
程序备注:
 * 服务器端WinRAR支持
 * 路径简述必须绝对路径
******************************************************/

2.主要代码之压缩

   /// <summary>
   /// 压缩文件
   /// </summary>
   /// <param name="DFilePath">需要压缩的文件夹或者单个文件</param>
   /// <param name="DRARName">生成压缩文件的文件名</param>
   /// <param name="DRARPath">生成压缩文件保存路径</param>
   /// <returns></returns>
    protected bool RAR(string DFilePath, string DRARName,string DRARPath)
    {
        String the_rar;
        RegistryKey the_Reg;
        Object the_Obj;
        String the_Info;
        ProcessStartInfo the_StartInfo;
        Process the_Process;
        try
        {
            the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\Shell\Open\Command");
            the_Obj = the_Reg.GetValue("");
            the_rar = the_Obj.ToString();
            the_Reg.Close();
            the_rar = the_rar.Substring(1, the_rar.Length - 7);
            the_Info = " a    " + " " + DRARName + "  " + DFilePath; //命令 + 压缩后文件名 + 被压缩的文件或者路径
            the_StartInfo = new ProcessStartInfo();
            the_StartInfo.FileName = the_rar;
            the_StartInfo.Arguments = the_Info;
            the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            the_StartInfo.WorkingDirectory = DRARPath ; //RaR文件的存放目录。
            the_Process = new Process();
            the_Process.StartInfo = the_StartInfo;
            the_Process.Start();
            return true;
        }
        catch (Exception ex)
        {
            return false;
        }
    }

3.主要代码之解压

    /// <summary>
    /// 解压缩到指定文件夹 
    /// </summary>
    /// <param name="RARFilePath">压缩文件存在的目录 </param>
    /// <param name="RARFileName">压缩文件名称 </param>
    /// <param name="UnRARFilePath">解压到文件夹</param>
    /// <returns></returns>
    protected bool UnRAR(string RARFilePath,string RARFileName,string UnRARFilePath)
    {
        //解压缩
        String the_rar;
        RegistryKey the_Reg;
        Object the_Obj;
        String the_Info;
        ProcessStartInfo the_StartInfo;
        Process the_Process;
        try
         {
            the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRar.exe\Shell\Open\Command");
            the_Obj = the_Reg.GetValue("");
            the_rar = the_Obj.ToString();
            the_Reg.Close();
            the_rar = the_rar.Substring(1, the_rar.Length - 7);
            the_Info = @" X " + " " + RARFilePath + RARFileName + " " + UnRARFilePath;
            the_StartInfo = new ProcessStartInfo();
            the_StartInfo.FileName = the_rar;
            the_StartInfo.Arguments = the_Info;
            the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            the_Process = new Process();
            the_Process.StartInfo = the_StartInfo;
            the_Process.Start();
            return true;
        }
        catch (Exception ex)
         {
             return false;
         }

    }

3.示例
        string oFilePath = @"C:\1\";
        string oRARFileName = "1.rar";
        string oToFilePath = @"C:\2\";

        //if (RAR(oFilePath, oRARFileName, oToFilePath))

        if (UnRAR(oFilePath, oRARFileName, oToFilePath))
            Response.Write("OK");
        else
            Response.Write("No");