vb.net 如何列出 FTP 连接的目录内容
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How to list directory contents of an FTP connection
提问by Dave Fes
I can't find a tutorial on this. In VB.NET I want to do a command such as:
我找不到这方面的教程。在 VB.NET 中，我想做一个命令，例如：
Dim array1() as string = ListFilesInFolder("www.example.com/images")
I know this is probably not going to be that simple, but can anyone point me to a tutorial or anything?
我知道这可能不会那么简单，但是谁能给我指点教程或其他任何东西？
回答by Steve
use this free library http://netftp.codeplex.com/
使用这个免费库http://netftp.codeplex.com/
Imports System.Net
Imports System.Net.FtpClient
Sub Main
using ftp = new FtpClient()
ftp.Host = "www.example.com"
ftp.Credentials = new NetworkCredential("yourFTPUser", "yourFTPPassword")
ftp.SetWorkingDirectory("/images")
for each item in ftp.GetListing(ftp.GetWorkingDirectory())
select case item.Type
case FtpFileSystemObjectType.Directory:
Console.WriteLine("Folder:" + item.FullName)
case FtpFileSystemObjectType.File:
Console.WriteLine("File:" + item.FullName)
End Select
Next
End Using
End Sub
of course I'm assuming that www.example.com is a FTP server.
当然，我假设 www.example.com 是一个 FTP 服务器。
AN IMPORTANT NOTE:The library requires the complete Framework 4.0. You should go to the Build Page of your Project Properties, click on the Advanced Optionsand select Framework 4.0instead of Framework 4.0 Client Profile
重要提示：该库需要完整的Framework 4.0. 您应该转到 的构建页面Project Properties，单击Advanced Options并选择Framework 4.0而不是Framework 4.0 Client Profile
回答by Vivek S.
The following method will work for framework 3.5and higher, I know this question is 3 years old but I ran into a situation where I need to list FTP directories in a framework 3.5project So I wrote following code by referring How to: List Directory Contents with FTP.
以下方法适用于framework 3.5及更高版本，我知道这个问题已有3 年历史，但我遇到了需要在framework 3.5项目中列出 FTP 目录的情况，因此我参考How to: List Directory Contents with FTP编写了以下代码。
Imports System.Net
Dim Dirlist As New List(Of String) 'I prefer List() instead of an array
Dim request As FtpWebRequest = DirectCast(WebRequest.Create("ftp://www.example.com/images"), FtpWebRequest)
request.Method = WebRequestMethods.Ftp.ListDirectory
request.Credentials = New NetworkCredential("USER_NAME", "PASSWORD")
Dim response As FtpWebResponse = DirectCast(request.GetResponse(), FtpWebResponse)
Dim responseStream As Stream = response.GetResponseStream
Using reader As New StreamReader(responseStream)
Do While reader.Peek <> -1
Dirlist.Add(reader.ReadLine)
Loop
End Using
response.Close()
