我经常使用它来下载CSV来更新数据库中的数据。
Option Compare Database
Option Explicit
Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" (ByVal pCaller As Long, ByVal szURL As String, ByVal szFileName As String, ByVal dwReserved As Long, ByVal lpfnCB As Long) As Long
Private Declare Function InternetOpen Lib "wininet" Alias "InternetOpenA" (ByVal sAgent As String, ByVal lAccessType As Long, ByVal sProxyName As String, ByVal sProxyBypass As String, ByVal lFlags As Long) As Long
Private Declare Function InternetCloseHandle Lib "wininet" (ByVal hInet As Long) As Integer
Declare Function SystemParametersInfo Lib "user32" _
Alias "SystemParametersInfoA" (ByVal iAction As Long, _
ByVal iParam As Long, pvParam As Any, _
ByVal fWinIni As Long) As Long
'Purpose : Retreview text from a web site
'Inputs : sURLFileName The URL and file name to download.
' sSaveToFile The filename to save the file to.
' [bOverwriteExisting] If True overwrites the file if it exists
'Outputs : Returns True on success.
Function InternetGetFile(sURLFileName As String, sSaveToFile As String, Optional bOverwriteExisting As Boolean = False) As Boolean
Dim lRet As Long
Const S_OK As Long = 0, E_OUTOFMEMORY = &H8007000E
Const INTERNET_OPEN_TYPE_PRECONFIG = 0, INTERNET_FLAG_EXISTING_CONNECT = &H20000000
Const INTERNET_OPEN_TYPE_DIRECT = 1, INTERNET_OPEN_TYPE_PROXY = 3
Const INTERNET_FLAG_RELOAD = &H80000000
On Error Resume Next
DoCmd.Hourglass True
'Create an internet connection
lRet = InternetOpen("", INTERNET_OPEN_TYPE_DIRECT, vbNullString, vbNullString, 0)
If bOverwriteExisting Then
If Len(Dir$(sSaveToFile)) Then
VBA.Kill sSaveToFile
End If
End If
'Check file doesn't already exist
If Len(Dir$(sSaveToFile)) = 0 Then
'Download file
lRet = URLDownloadToFile(0&, sURLFileName, sSaveToFile, 0&, 0)
If Len(Dir$(sSaveToFile)) Then
'File successfully downloaded
InternetGetFile = True
Else
'Failed to download file
If lRet = E_OUTOFMEMORY Then
Debug.Print "The buffer length is invalid or there was insufficient memory to complete the operation."
Else
Debug.Assert False
Debug.Print "Error occurred " & lRet & " (this is probably a proxy server error)."
End If
InternetGetFile = False
End If
End If
On Error GoTo 0
DoCmd.Hourglass False
End Function
From: https://bytes.com/topic/access/insights/905652-how-download-file-internet-using-vba