Тип WebRequestMethods.Ftp pruža sledeće članove.
| Ime | Opis | |
|---|---|---|
  |
AppendFile | Predstavlja FTP metod APPE koji se koristi za dodavanje sadržaja fajla na postojeći fajl na FTP serveru. |
|
DeleteFile | Predstavlja FTP metod DELE koji se koristi za brisanje fajla na FTP serveru. |
|
DownloadFile | Predstavlja FTP metod RETR koji se koristi za preuzimanje fajla sa FTP servera. |
|
GetDateTimestamp | Predstavlja FTP metod MDTM koji se koristi za dobijanje vremenske oznake fajla na FTP serveru. |
|
GetFileSize | Predstavlja FTP metod SIZE koji se koristi za dobijanje veličine fajla na FTP serveru. |
|
ListDirectory | Predstavlja FTP metod NLIST koji vraća kratak spisak fajlova na FTP serveru. |
|
ListDirectoryDetails | Predstavlja FTP metod LIST koji vraća detaljan spisak fajlova na FTP serveru. |
|
MakeDirectory | Predstavlja FTP metod MKD koji kreira direktorijum na FTP serveru. |
|
PrintWorkingDirectory | Predstavlja FTP metod PWD koji prikazuje ime trenutnog radnog direktorijuma. |
|
RemoveDirectory | Predstavlja FTP metod RMD koji briše direktorijum. |
|
Rename | Predstavlja FTP metod RENAME koji preimenuje direktorijum. |
|
UploadFile | Predstavlja FTP metod STOR koji otprema fajl na FTP server. |
|
UploadFileWithUniqueName | Predstavlja FTP metod STOU koji otprema fajl sa jedinstvenim imenom na FTP server. |
primer:
''' <summary> |
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''' Methods to upload file to FTP Server |
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''' </summary> |
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''' <param name="_FileName">local source file name</param> |
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''' <param name="_UploadPath">Upload FTP path including Host name</param> |
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''' <param name="_FTPUser">FTP login username</param> |
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''' <param name="_FTPPass">FTP login password</param> |
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Public Sub UploadFile(ByVal _FileName As String, ByVal _UploadPath As String, ByVal _FTPUser As String, ByVal _FTPPass As String) |
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Dim _FileInfo As New System.IO.FileInfo(_FileName) |
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' Create FtpWebRequest object from the Uri provided |
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Dim _FtpWebRequest As System.Net.FtpWebRequest = CType(System.Net.FtpWebRequest.Create(New Uri(_UploadPath)), System.Net.FtpWebRequest) |
13 |
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' Provide the WebPermission Credintials |
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_FtpWebRequest.Credentials = New System.Net.NetworkCredential(_FTPUser, _FTPPass) |
16 |
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' By default KeepAlive is true, where the control connection is not closed |
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' after a command is executed. |
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_FtpWebRequest.KeepAlive = False |
20 |
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' set timeout for 20 seconds |
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_FtpWebRequest.Timeout = 20000 |
23 |
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' Specify the command to be executed. |
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_FtpWebRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile |
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' Specify the data transfer type. |
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_FtpWebRequest.UseBinary = True |
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' Notify the server about the size of the uploaded file |
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_FtpWebRequest.ContentLength = _FileInfo.Length |
32 |
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' The buffer size is set to 2kb |
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Dim buffLength As Integer = 2048 |
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Dim buff(buffLength - 1) As Byte |
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' Opens a file stream (System.IO.FileStream) to read the file to be uploaded |
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Dim _FileStream As System.IO.FileStream = _FileInfo.OpenRead() |
39 |
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Try |
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' Stream to which the file to be upload is written |
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Dim _Stream As System.IO.Stream = _FtpWebRequest.GetRequestStream() |
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' Read from the file stream 2kb at a time |
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Dim contentLen As Integer = _FileStream.Read(buff, 0, buffLength) |
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' Till Stream content ends |
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Do While contentLen <> 0 |
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' Write Content from the file stream to the FTP Upload Stream |
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_Stream.Write(buff, 0, contentLen) |
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contentLen = _FileStream.Read(buff, 0, buffLength) |
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Loop |
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' Close the file stream and the Request Stream |
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_Stream.Close() |
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_Stream.Dispose() |
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_FileStream.Close() |
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_FileStream.Dispose() |
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Catch ex As Exception |
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MessageBox.Show(ex.Message, "Upload Error", MessageBoxButtons.OK, MessageBoxIcon.Error) |
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End Try |
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End Sub |
Evo jednostavnog primera koji pokazuje kako koristiti gornju metodu (UploadFile) za otpremanje fajla na FTP server.
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' Upload file using FTP |
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UploadFile("c:\UploadFile.doc", "ftp://FTPHostName/UploadPath/UploadFile.doc", "UserName", "Password") |
Pregledajte foldere na serveru:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim arr() As String
Const username As String = ""
Const password As String = ""
Dim request As Net.FtpWebRequest = Net.WebRequest.Create("ftp://ftp.microsoft.com/")
request.Credentials = New Net.NetworkCredential(username, password)
request.Method = Net.WebRequestMethods.Ftp.ListDirectoryDetails
Dim response As Net.FtpWebResponse = request.GetResponse()
Dim responseStream As Stream = response.GetResponseStream()
Dim reader As StreamReader = New StreamReader(responseStream)
Dim lol As String
Do
lol = reader.ReadLine
If Len(lol) < 1 Then Exit Do
arr = Split(lol, vbNewLine)
For i = 0 To UBound(arr)
If Len(arr(i)) > 0 Then
ListBox3.Items.Add(arr(i))
TextBox1.Text = arr(i) 'just testing it on a textbox
End If
Next
Loop
MessageBox.Show("Directory List Complete, status {0}", response.StatusDescription)
reader.Close()
response.Close()
######### копирование нескольких файлов на ftp
| Imports System.Net |
| Imports System.IO |
| Imports System.Text |
| Imports System.Threading |
| Public Class Form1 |
| Dim thread1 As Thread |
| Dim thread2 As Thread |
| Dim filelist As New List(Of String) |
| Dim myThreadDelegate As New ThreadStart(AddressOf upload) |
| Dim mc As New MyClass1 |
| Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click |
| For i As Integer = 0 To filelist.Count - 1 |
| Dim td As Thread = New Thread(New ThreadStart(AddressOf upload)) |
| td.Start() |
| Next |
| End Sub |
| Private Sub upload() |
| If (mc.Number > 0) Then |
| mc.Number = mc.Number - 1 |
| Dim str As String = filelist.Item(mc.Number).Substring(filelist.Item(mc.Number).IndexOf("\")) |
| Dim request As FtpWebRequest = CType(WebRequest.Create("ftp://localhost:22/" & str), FtpWebRequest) |
| With request |
| .Method = WebRequestMethods.Ftp.UploadFile |
| End With |
| Dim sourceStream As New StreamReader(filelist.Item(mc.Number)) |
| Dim fileContents As Byte() = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd()) |
| sourceStream.Close() |
| request.ContentLength = fileContents.Length |
| Try |
| Dim flags As Boolean = True |
| Dim currentposition As Long = 0 |
| Dim len As Integer = 0 |
| Dim requestStream As Stream = request.GetRequestStream() |
| requestStream.Write(fileContents, 0, fileContents.Length) |
| requestStream.Close() |
| Dim response As FtpWebResponse = CType(request.GetResponse(), FtpWebResponse) |
| Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription) |
| response.Close() |
| Catch ex As Exception |
| MessageBox.Show(ex.Message + ex.StackTrace.ToString) |
| End Try |
| End If |
| End Sub |
| Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load |
| filelist.AddRange(New String() {"c:\test.txt", "c:\test.csv"}) |
| mc.Number = 2 |
| End Sub |
| End Class |
| Public Class MyClass1 |
| Private m_number As Integer |
| Public Property Number() As Integer |
| Get |
| SyncLock Me |
| Return m_number |
| End SyncLock |
| End Get |
| Set(ByVal value As Integer) |
| SyncLock Me |
| m_number = value |
| End SyncLock |
| End Set |
| End Property |
| End Class |