批量下载

Question

单个下载，搜到了string fileName = FrameWork.BusinessFacade.GetContractAttachement(long.Parse(s));//客户端保存的文件名
                string filePath = Server.MapPath(Common.UpLoadDir + "ContractFiles/" + fileName);//路径                FileInfo fileInfo = new FileInfo(filePath);
                Response.Clear();
                Response.ClearContent();
                Response.ClearHeaders();
                Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
                Response.AddHeader("Content-Length", fileInfo.Length.ToString());
                Response.AddHeader("Content-Transfer-Encoding", "binary");
                Response.ContentType = "application/octet-stream";
                Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
                Response.WriteFile(fileInfo.FullName);
                Response.Flush();
                Response.End();批量下载怎么弄啊，多了filename

Answer 1

这是批量上传的例子http://blog.csdn.net/todototry/article/details/8134794
循环逐个下载即可
个人意见，高手多多指教

Answer 2

/// <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>
        public static 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 + " -ep1"; //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();
                the_Process.WaitForExit();
                the_Process.Close();
                return true;
            }
            catch
            {
                return false;
            }
        }
public static bool DownLoadFile(string _FilePath, string _FileName,HttpResponseBase Response)
        {
            try
            {
               System.IO.FileStream fs = System.IO.File.OpenRead(_FilePath + _FileName);
                byte[] FileData = new byte[fs.Length];
                fs.Read(FileData, 0, (int)fs.Length);
                Response.Clear();
                Response.AddHeader("Content-Type", "application/ms-word");
                string FileName = System.Web.HttpUtility.UrlEncode(System.Text.Encoding.UTF8.GetBytes(_FileName));
                Response.AddHeader("Content-Disposition", "inline;filename=" + System.Convert.ToChar(34) + FileName + System.Convert.ToChar(34));
                Response.AddHeader("Content-Length", fs.Length.ToString());
                Response.BinaryWrite(FileData);
                fs.Close();
                //删除服务器临时文件
                System.IO.File.Delete(_FilePath + _FileName);
                Response.Flush();
                Response.End();
                return true;
            }
            catch (Exception ex)
            {
               // ex.Message.ToString();
                throw ex;
                return false;
            }
            
        }
      string path =@"D:\\File"; 
      string rarName="aa";
      if(RAR(path , rarName, path )){
         DownLoadFile(newpath, rarName + ".rar", Response)
      }

Answer 3

这个注释太少了，没看明白
RegistryKey，ProcessStartInfo 这些都是你自己的类库吧

Answer 4

http://topic.csdn.net/u/20121015/08/c78078e9-d1a3-4252-b0e3-3d59dc946eca.html?84434
该工具类很全，其中有个SharpZip.cs 注释还行。
随便问答一下lz的问题，RegistryKey 引用一下 Microsoft.Win32就找到

Answer 5

使用 Ionic.Zip.dll 打包单个文件，再输出打包文件。

Answer 6

web不能选择下载的文件，只能在服务器指定发送那些文件给用户
zip压缩
文件下载就不说了。不要没看就说看不懂，如果不耐着性子去看，永远也看不懂

Answer 7

正解http://www.189works.com/article-60454-1.html
这个确实好