大家好我有问题,我导入的文件没有列名,我不能轻易地添加它们由于其他原因。但我知道我想要哪些列。所以我创建了一个带有列位置的表,这样我的vba就可以遍历并逐行添加相应的字段。但我似乎得到的是,该变量未被读取,它认为FieldID是一个列名。那么我如何让vba理解这是我希望它从中获取值的列?
Dim db As DAO.Database
Set db = CurrentDb
Dim rsImport As DAO.Recordset
Dim rsFileColumns As DAO.Recordset
Dim CSVCn As Object
Dim rsCSV As Object
Dim strSQL, strName, strName1 As String
Dim rsImporttbl As DAO.Recordset
Set rsImport = db.OpenRecordset("Select * FROM ImportFiles ORDER BY FileID ASC")
If Not (rsImport.EOF And rsImport.BOF) Then 'This Table how the directory and order in which we want to import the tables.
rsImport.MoveFirst 'This helps if there any directory changes or if we need to switch the sequence of import
Do Until rsImport.EOF = True
Directory = rsImport!Directory
FileID = rsImport!FileID
FileName = rsImport!FileName
FileType = rsImport!FileType
DbName = rsImport!DatabaseName
Set rsFileColumns = db.OpenRecordset("Select FieldName, FieldID From ImportField WHERE FileID =" & FileID & ";") 'This Tells the program which columns we want to import
If Not (rsFileColumns.EOF And rsFileColumns.BOF) Then 'Also if needed we do have the column numbers stored
rsFileColumns.MoveFirst
Do Until rsFileColumns.EOF = True
FieldID = rsFileColumns!FieldID
Set CSVCn = CreateObject("ADODB.Connection")
Set rsCSV = CreateObject("ADODB.Recordset")
strSQL1 = "Provider=" & _
CurrentProject.Connection.Provider & _
";Data Source=" & Directory & _
";Extended Properties='text;HDR=YES;FMT=Delimited'"
CSVCn.Open strSQL1 'Tells it where to look for the CSV to import
strSQL = "SELECT * FROM " & FileName & FileType 'Tells what the file is called to import
rsCSV.Open strSQL, CSVCn, adOpenForwardOnly, adLockReadOnly, adCmdText
Set rsImporttbl = db.OpenRecordset(DbName, dbOpenTable, dbAppendOnly + dbFailOnError) 'This is the table its appending the data to.
Do Until rsCSV.EOF
Field1 = rsCSV!FieldID 'Using the column number stored find the value
rsImporttbl.AddNew
'please insert it into the same field number into the databases empty verison
rsImporttbl.Update
rsCSV.MoveNext
Loop
rsImporttbl.Close
rsCSV.Close
rsFileColumns.MoveNext
Loop
Else
MsgBox "There are no Records in ImportFields for this table: " & FileName
End If
rsFileColumns.Close
Set rsFileColumns = Nothing
rsImport.MoveNext
Loop
Else
MsgBox "There are no Records in ImportFiles"
End If
rsImport.Close
Set rsImport = Nothing
db.Close
只是不要使用爆炸表示法,您可以使用FieldID
访问特定字段:
Field1 = rsCSV.Fields(FieldID)
不是rsCSV!FieldID
。
嘿伙计,所以我进一步采取了这一点,几乎我有两个表,这两个表之间的ImportFiles表和ImportFields表我可以指导程序去哪里以及要导入的字段。这是代码。
Dim db As DAO.Database
Set db = CurrentDb
Dim rsImport As DAO.Recordset
Dim rsFileColumns As DAO.Recordset
Dim CSVCn As Object
Dim rsCSV As Object
Dim strSQL, strName, strName1 As String
Dim rsImporttbl As DAO.Recordset
Dim ColumnIDs As New VBA.Collection
Dim ColumnVals As New VBA.Collection
Set rsImport = db.OpenRecordset("Select * FROM ImportFiles ORDER BY FileID ASC")
If Not (rsImport.EOF And rsImport.BOF) Then 'This Table how the directory and order in which we want to import the tables.
rsImport.MoveFirst 'This helps if there any directory changes or if we need to switch the sequence of import
Do Until rsImport.EOF = True
Directory = rsImport!Directory
FileID = rsImport!FileID
FileName = rsImport!FileName
FileType = rsImport!FileType
DbName = rsImport!DatabaseName
Set rsFileColumns = db.OpenRecordset("Select FieldID From ImportField WHERE FileID =" & FileID & ";") 'This Tells the program which columns we want to import
Set ColumnIDs = RSToColl(rsFileColumns, "FieldID")
Set CSVCn = CreateObject("ADODB.Connection")
Set rsCSV = CreateObject("ADODB.Recordset")
strSQL1 = "Provider=" & _
CurrentProject.Connection.Provider & _
";Data Source=" & Directory & _
";Extended Properties='text;HDR=YES;FMT=Delimited'"
CSVCn.Open strSQL1 'Tells it where to look for the CSV to import
strSQL = "SELECT * FROM " & FileName & FileType 'Tells what the file is called to import
rsCSV.Open strSQL, CSVCn, adOpenForwardOnly, adLockReadOnly, adCmdText
Set rsImporttbl = db.OpenRecordset(DbName, dbOpenTable, dbAppendOnly + dbFailOnError) 'This is the table its appending the data to.
Dim l As Long
Dim value1 As Integer
Do Until rsCSV.EOF
For Each Item In ColumnIDs
Field1 = rsCSV.Fields(Item)
ColumnVals.Add Field1
Next
value1 = 0
rsImporttbl.AddNew
For l = 1 To ColumnIDs.Count
Value2 = ColumnVals.Item(l)
rsImporttbl.Fields(value1) = Value2
value1 = value1 + 1
Next
rsImporttbl.Update
value1 = 0
Set ColumnVals = Nothing
rsCSV.MoveNext
Loop
Loop
Else
MsgBox "There are no Records in ImportFiles"
End If
rsImport.Close
Set rsImport = Nothing
db.Close