下载文件并“另存为”

发布于 2024-11-07 16:10:47 字数 346 浏览 4 评论 0原文

我需要编写一个过程来在我的 vb.net Web 应用程序中本地下载 html 文件。我当前正在使用 webClient.DownloadFile ：

Dim myWebClient As New System.Net.WebClient
myWebClient.DownloadFile("http://archive.ncsa.illinois.edu/primer.html", _
                        "C:\test.html")

是否有一种内置方法可以使用“另存为”窗口来执行此操作，以便用户可以选择他们想要保存文件的位置到？或者我需要自己写？

原文

I need to write a process to download an html file locally in my vb.net web app. I am currently using webClient.DownloadFile :

Dim myWebClient As New System.Net.WebClient
myWebClient.DownloadFile("http://archive.ncsa.illinois.edu/primer.html", _
                        "C:\test.html")

Is there a built-in way to do this with a "save as" window instead, so that the user can select the location they would like the file to be saved to? Or would I need to write my own?

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盗琴音 2024-11-14 16:10:47

你可以使用

Response.AddHeader("Content-Disposition", "attachment;filename=testfile_file.html");
Response.Write or Response.WriteFile

You can use

Response.AddHeader("Content-Disposition", "attachment;filename=testfile_file.html");
Response.Write or Response.WriteFile

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做个ˇ局外人 2024-11-14 16:10:47

虽然我意识到这不是您问题的答案（请参阅托马斯答案的评论），但有时保持简单是一个好方法

Please right-click this link and save the file
<a href=""http://archive.ncsa.illinois.edu/primer.html">HTML Primer</a>

Whilst I realise this isn't an answer to your question (see comment on Thomas' answer), sometimes keeping it simple is a good way to go

Please right-click this link and save the file
<a href=""http://archive.ncsa.illinois.edu/primer.html">HTML Primer</a>

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笑着哭最痛 2024-11-14 16:10:47

尝试下面的代码

Response.ContentType = "report/rpt";

Response.AppendHeader("Content-Disposition", "attachment; filename=CrystalReport1.rpt");

Response.TransmitFile(Server.MapPath("CrystalReport1.rpt"));

Response.End();

Try the below code

Response.ContentType = "report/rpt";

Response.AppendHeader("Content-Disposition", "attachment; filename=CrystalReport1.rpt");

Response.TransmitFile(Server.MapPath("CrystalReport1.rpt"));

Response.End();

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