包含vb点虐 ftp类的词条
ftp上传文件用vb点虐 怎么实现
My.Computer.Network.UploadFile(本地文件路径, ftp服务器路径包括文件名,用户名,密码)
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VB点虐 连接FTP操作
MSDN上的，看看对你有没有帮助。GOOD LUCK!
Imports System.Net
Imports System.IO
Module FtpSample
Sub Main(ByVal args() As String)
If args.Length = 0 OrElse args(0).Equals("/?") Then
DisplayUsage()
ElseIf args.Length = 1 Then
Download(args(0))
ElseIf args.Length = 2 Then
If args(0).Equals("/list") Then
List(args(1))
Else
Upload(args(0), args(1))
End If
Else
Console.WriteLine("Unrecognized argument.")
End If
End Sub
Private Sub DisplayUsage()
Console.WriteLine("USAGE:")
Console.WriteLine(" FtpSample [/? | FTP download URL | local file")
Console.WriteLine(" FTP upload URL | /list FTP list URL]")
Console.WriteLine()
Console.WriteLine("where")
Console.WriteLine(" FTP download URL URL of a file to download from an FTP server.")
Console.WriteLine(" FTP upload URL Location on a FTP server to upload a file to.")
Console.WriteLine(" FTP list URL Location on a FTP server to list the contents of.")
Console.WriteLine(" local file A local file to upload to an FTP server.")
Console.WriteLine()
Console.WriteLine(" Options:")
Console.WriteLine(" /? Display this help message.")
Console.WriteLine(" /list Specifies the list command.")
Console.WriteLine()
Console.WriteLine("EXAMPLES:")
Console.WriteLine(" Download a file FtpSample ")
Console.WriteLine(" Upload a file FtpSample upload.txt ")
End Sub
Private Sub Download(ByVal downloadUrl As String)
Dim responseStream As Stream = Nothing
Dim fileStream As FileStream = Nothing
Dim reader As StreamReader = Nothing
Try
Dim downloadRequest As FtpWebRequest = _
WebRequest.Create(downloadUrl)
Dim downloadResponse As FtpWebResponse = _
downloadRequest.GetResponse()
responseStream = downloadResponse.GetResponseStream()
Dim fileName As String = _
Path.GetFileName(downloadRequest.RequestUri.AbsolutePath)
If fileName.Length = 0 Then
reader = New StreamReader(responseStream)
Console.WriteLine(reader.ReadToEnd())
Else
fileStream = File.Create(fileName)
Dim buffer(1024) As Byte
Dim bytesRead As Integer
While True
bytesRead = responseStream.Read(buffer, 0, buffer.Length)
If bytesRead = 0 Then
Exit While
End If
fileStream.Write(buffer, 0, bytesRead)
End While
End If
Console.WriteLine("Download complete.")
Catch ex As UriFormatException
Console.WriteLine(ex.Message)
Catch ex As WebException
Console.WriteLine(ex.Message)
Catch ex As IOException
Console.WriteLine(ex.Message)
Finally
If reader IsNot Nothing Then
reader.Close()
ElseIf responseStream IsNot Nothing Then
responseStream.Close()
End If
If fileStream IsNot Nothing Then
fileStream.Close()
End If
End Try
End Sub
Private Sub Upload(ByVal fileName As String, ByVal uploadUrl As String)
Dim requestStream As Stream = Nothing
Dim fileStream As FileStream = Nothing
Dim uploadResponse As FtpWebResponse = Nothing
Try
Dim uploadRequest As FtpWebRequest = WebRequest.Create(uploadUrl)
uploadRequest.Method = WebRequestMethods.
' UploadFile is not supported through an Http proxy
' so we disable the proxy for this request.
uploadRequest.Proxy = Nothing
requestStream = uploadRequest.GetRequestStream()
fileStream = File.Open(fileName, FileMode.Open)
Dim buffer(1024) As Byte
Dim bytesRead As Integer
While True
bytesRead = fileStream.Read(buffer, 0, buffer.Length)
If bytesRead = 0 Then
Exit While
End If
requestStream.Write(buffer, 0, bytesRead)
End While
' The request stream must be closed before getting the response.
requestStream.Close()
uploadResponse = uploadRequest.GetResponse()
Console.WriteLine("Upload complete.")
Catch ex As UriFormatException
Console.WriteLine(ex.Message)
Catch ex As IOException
Console.WriteLine(ex.Message)
Catch ex As WebException
Console.WriteLine(ex.Message)
Finally
If uploadResponse IsNot Nothing Then
uploadResponse.Close()
End If
If fileStream IsNot Nothing Then
fileStream.Close()
End If
If requestStream IsNot Nothing Then
requestStream.Close()
End If
End Try
End Sub
Private Sub List(ByVal listUrl As String)
Dim reader As StreamReader = Nothing
Try
Dim listRequest As FtpWebRequest = WebRequest.Create(listUrl)
listRequest.Method = WebRequestMethods.
Dim listResponse As FtpWebResponse = listRequest.GetResponse()
reader = New StreamReader(listResponse.GetResponseStream())
Console.WriteLine(reader.ReadToEnd())
Console.WriteLine("List complete.")
Catch ex As UriFormatException
Console.WriteLine(ex.Message)
Catch ex As WebException
Console.WriteLine(ex.Message)
Finally
If reader IsNot Nothing Then
reader.Close()
End If
End Try
End Sub
End Module
可以通过设置 Credentials 属性来指定用于连接服务器的凭据，也可以将它们包含在传递给 Create 方法的 URI 的 UserInfo 部分中。
从 FTP 服务器下载文件时，如果命令成功，所请求的文件的内容即在响应对象的流中。通过调用 GetResponseStream 方法，可以访问此流。
如果使用 FtpWebRequest 对象向服务器上载文件，则必须将文件内容写入请求流，请求流是通过调用 GetRequestStream 方法或其异步对应方法（BeginGetRequestStream 和 EndGetRequestStream 方法）获取的。必须写入流并在发送请求之前关闭该流。
请求是通过调用 GetResponse 方法或其异步对应方法（BeginGetResponse 和 EndGetResponse 方法）发送到服务器的。请求的操作完成时，会返回一个 FtpWebResponse 对象。FtpWebResponse 对象提供操作的状态以及从服务器下载的所有数据。
vb点虐 2008如何操作FTP服务器?比如登录并保持登录状态，然后遍历根目录及指定的目录，以获
具体方法如下：”、打开Serv－U的配置管理界面puzb在“全局用户”或者“域用户”中选择“创建cgko修改和删除用户帐户”； 2、在“创建，修改和删除用户帐户”的界面，选择“添加”。；3、在“用户属性“对话框，“用户信息”下的用户名为：Anonymous，密码为空，为其指定FTP的根目录。 4、然后在“目录访问“选项，点击“添加”，为其指定访问权限和目录。 5、最后点击“保存”6这样我们就成功添加了匿名用户。
vb点虐 ftp上传文件
Dim OpenFileDialog As New OpenFileDialog
OpenFileDialog.InitialDirectory = My.Computer.FileSystem.SpecialDirectories.MyDocuments
OpenFileDialog.Filter = "文本文件(*.jpg)|*.jpg|所有文件(*.*)|*.*"
If (OpenFileDialog.ShowDialog(Me) = System.Windows.Forms.DialogResult.OK) Then
Dim FileName As String = OpenFileDialog.FileName
' TODO: 在此处添加打开文件的代码。
textbox1.Text = FileName
End If
第一个按钮 上传
Dim filelast As String = fileaddbefore.Text.Substring(fileaddbefore.Text.LastIndexOf("."), fileaddbefore.Text.Length - fileaddbefore.Text.LastIndexOf("."))
MessageBox.Show(filelast)
My.Computer.Network.UploadFile(textbox1.Text, "" 文件名.Text filelast, "登录名1", "登录密码", True, 100)
第二个按钮
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