vb.net ftp上傳文件

Dim OpenFileDialog As New OpenFileDialog

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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: 在此處添加打開(kāi)文件的代碼。

textbox1.Text = FileName

End If

第一個(gè)按鈕 上傳

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, "登錄名1", "登錄密碼", True, 100)

第二個(gè)按鈕

vb.net怎么實(shí)現(xiàn)串口傳輸文件

Imports System

Imports System.IO.Ports

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

'獲取計(jì)算機(jī)有效串口

Dim ports As String() = SerialPort.GetPortNames() '必須用命名空間，用SerialPort,獲取計(jì)算機(jī)的有效串口

Dim port As String

For Each port In ports

portnamebox.Items.Add(port) '向combobox中添加項(xiàng)

Next port

'初始化界面

vb.net如何上傳文件

My.Computer.Network.UploadFile

比如上傳到FTP

My.Computer.Network.UploadFile("d:\1.txt", "“, "FTP賬號(hào)", "FTP密碼", True, 100)

新手路過(guò)。