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Dicas
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Visual Basic (Internet)
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Título da Dica: Transferência de arquivos via FTP
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Postada em 14/8/2000 por Webmaster
webmaster@vbweb.com.br
'Crie o controle no seu forms e um botão de 'comando com o seguinte: '***************************** Dim strURL As String Dim bData() As Byte Dim intFile As Integer strURL = "ftp://aaaaa:zzzzzz@ftp.mercur.com.br" & _ "/home/user/mercur/usuario.txt" intFile = FreeFile() bData() = Inet1.OpenURL(strURL, icByteArray) Open "C:\usuario.txt" For Binary Access Write As #intFile Put #intFile, , bData() Close #intFile '*****************************
'Além disso, crie no inet1:
'(Esse procedimento faz com que o arquivo 'seja copiado integralmente.) '***************************** Private Sub Inet1_StateChanged(ByVal State As Integer) On Error GoTo fim_anormal2 Select Case State Case icError, icDisconnected MsgBox "Erro na comunicação --> " & Err.Description GoTo Fim_a Case icResponseReceived ' 12 Dim vtData As Variant ' Data variable. Dim strData As String: strData = "" Dim bDone As Boolean: bDone = False vtData = Inet1.GetChunk(1024, icString) Do While Not bDone strData = Data & vtData vtData = Inet1.GetChunk(1024, icString) If Len(vtData) = 0 Then bDone = True End If Me.Text1 = Me.Text1 + 1 If Me.Text1 > 100 Then Me.Text1 = 1 End If ProgressBar1.Value = Me.Text1 Dim TempoDePausa, Início, Fim, TempoTotal TempoDePausa = 1 ' Define a duração. Início = Timer ' Define a hora inicial. Do While Timer < Início + TempoDePausa DoEvents ' Submete-se a outros processos. Loop Fim = Timer ' Define a hora final. TempoTotal = Fim - Início ' Calcula o tempo total. Loop End Select GoTo Fim_a fim_anormal2: Dim a a = MsgBox("Erro de copia! " & Err.Description, vbCritical, "Erro") Fim_a: End sub
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