aspx页面从Web服务器上的指定目录下载任何类型的文件 [英] Aspx page to download any type of file from a specific directory on web server

问题描述

我已经从我的客户一个快速的要求，他要在一个文件夹中的一些文件存储在Web服务器（我们有有权让大家一个临时文件夹）。

I had a quick requirement from my client that he want to store some files in a Folder in web server (we have a temp folder which has rights to allow Everybody).

他希望在该文件直接放置和例如给链路 http://www.abcd.com/temp/somefile.rdl 他的客户直接下载该文件。

He want to place the file in that directly and give the link e.g. http://www.abcd.com/temp/somefile.rdl to his customer to directly download the file.

有没有现成的aspx页面可用，这样我就可以使用文件夹的那个页面设置的路径，它应该以这种方式工作。

Is there any readymade aspx page available so that I can just use that page set path of folder and it should work this way.

如果不是我可以只使用aspx页面快速创建它。

If not can I quickly create it using only aspx page.

我几乎在ASPX以下code

I almost did it with the following code in aspx

<%
Response.AppendHeader("Content-Disposition", "attachment; filename=\"" + Server.MapPath("~/TempReport/"+Request.QueryString["file"]) + "\"");
Response.ContentType = "Application/cab";
Response.TransmitFile(Server.MapPath("~/TempReport/"+Request.QueryString["file"]));
Response.End();
%>

唯一的问题是，我只能下载文件的驾驶室类型由于以下行：

The only problem is that I can only download cab type of file due to following line:

Response.ContentType = "Application/cab";

我想任何类型的文件进行下载。

I want any kind of file to be downloaded.

推荐答案

检查这个职位的回答，让这应该为您的内容类型来设置MIME类型

Check this post for answer, to get MIME type which should be set for your content Type

<一个href=\"http://stackoverflow.com/questions/58510/using-net-how-can-you-find-the-mime-type-of-a-file-based-on-the-file-signature\">Using .NET，你怎么能找到基于文件签名的文件的MIME类型而不是扩展

或者你可以把，这应该可以正常下载二进制文件。
Response.ContentType =应用程序/八位字节流;

Or you can just put, which should work fine for downloading binary file. Response.ContentType = "application/octet-stream";

        Page.Response.ContentType = "application/octet-stream"
        Page.Response.AddHeader("Content-Disposition", "attachment; filename=""" & strFilename & """")
        Page.Response.OutputStream.Write(objAttachment.Data, 0, objAttachment.Data.Length)

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