VB FTP上传和下载模块

Option Explicit Private Const INTERNET_OPEN_TYPE_DIRECT = 1 Private Const scuseragent = "vb wininet" Private Const INTERNET_FLAG_PASSIVE = &H8000000 '调用设置环境 Private Declare Function InternetOpen Lib "wininet.dll" Alias "InternetOpenA" (ByVal sAgent As String,ByVal lAccessType As Long,ByVal sProxyName As String,ByVal sProxyBypass As String,ByVal lFlags As Long) As Long '连接服务器 Private Declare Function InternetConnect Lib "wininet.dll" Alias "InternetConnectA" (ByVal hInternetSession As Long,ByVal sServerName As String,ByVal nServerPort As Integer,ByVal sUsername As String,ByVal sPassword As String,ByVal lService As Long,ByVal lFlags As Long,ByVal lContext As Long) As Long '上传涵数 Private Declare Function FtpPutFile Lib "wininet.dll" Alias "FtpPutFileA" (ByVal hFtpSession As Long,ByVal lpszLocalFile As String,ByVal lpszRemoteFile As String,ByVal dwFlags As Long,ByVal dwContext As Long) As Boolean Private Declare Function FtpGetFile Lib "wininet.dll" Alias "FtpGetFileA" (ByVal hFtpSession As Long,ByVal lpszNewFile As String,ByVal fFailIfExists As Boolean,ByVal dwFlagsAndAttributes As Long,ByVal dwContext As Long) As Boolean Private Declare Function InternetCloseHandle Lib "wininet.dll" (ByVal hInet As Long) As Integer Dim hOpen As Long Dim hConnection As Long '上传文件模块 Public Function UpLoadFile(IP As String,FileName As String,UserName As String,PassWord As String) As Boolean Dim ShortName As String Dim ret As Boolean ShortName = GetShortName(FileName) hOpen = TestServer If hOpen <> 0 Then hConnection = InterConnection(IP,UserName,PassWord) If hConnection <> 0 Then ret = FtpPutFile(hConnection,FileName,ShortName,2,0) UpLoadFile = ret Else UpLoadFile = False End If Else UpLoadFile = False End If InternetCloseHandle hConnection InternetCloseHandle hOpen End Function 'FTP下载文件 Public Function DownLoadFile(IP As String,LocalFileName As String,PassWord As String) Dim ret As Boolean hOpen = TestServer If hOpen <> 0 Then hConnection = InterConnection(IP,PassWord) If hConnection <> 0 Then ret = FtpGetFile(hConnection,LocalFileName,1,0) DownLoadFile = ret Else DownLoadFile = False End If Else DownLoadFile = False End If InternetCloseHandle hConnection InternetCloseHandle hOpen End Function '调用设置环境 Private Function TestServer() As Long Dim i As Long ' i = InternetOpen(scuseragent,INTERNET_OPEN_TYPE_DIRECT,vbNullString,0) i = InternetOpen(vbNullString,0) TestServer = i End Function '连接服务器 Private Function InterConnection(IP As String,PassWord As String) As Long Dim i As Long i = InternetConnect(hOpen,IP,PassWord,INTERNET_FLAG_PASSIVE,0) InterConnection = i End Function '得到文件的短文件名 Private Function GetShortName(FileName As String) As String Dim stemp() As String stemp = Split(FileName,"/") If UBound(stemp) > 0 Then GetShortName = stemp(UBound(stemp)) Else GetShortName = "" End If End Function

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