尝试 FTP 带有特殊字符的文件

问题描述

我有代码:

FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(url);
request.Method = WebRequestMethods.Ftp.DownloadFile;
request.UseBinary = true;   // Binary mode when downloading
request.Credentials = new NetworkCredential(user, password);
FtpWebResponse response = (FtpWebResponse)request.GetResponse();

我总是收到错误:请求的 URI 对此 FTP 命令无效".

I always get the error: "The requested URI is invalid for this FTP command".

问题是 url 包含一个#".由于我无法阻止人们创建这种类型的文件，有没有办法可以转义特殊字符并仍然处理文件?

The problem is the url contains a "#". Since I can't stop people from creating that type of file, is there a way I can escape special characters and still process the file?

推荐答案

用 "#" ->"%23" 替换字符串
URL 编码不应包含哈希，因为:

Do a string replace with "#" ->"%23"
URL encodings shouldn't contain a hash because:

由于各种原因，某些字符可能会在 URL 中被误解.这些字符也应始终进行编码.

Some characters present the possibility of being misunderstood within URLs for various reasons. These characters should also always be encoded.

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