Sub Button1_Click()
    Application.ScreenUpdating = False
     Application.Calculation = xlCalculationManual
    
    '引用Microsoft ActiveX Data Objects 2.x Library
    '引用Microsoft AD0 Ext 2.8 for DDL and Security
    Dim cnn As New ADODB.Connection
    Dim rs As ADODB.Recordset
    Dim Cat As New ADOX.Catalog
    Dim myPath As String
    Dim p
    Dim sh As Worksheet
    Dim SQL As String
    Dim F As Boolean
    Dim wk As Workbook
    
    myPath = ThisWorkbook.Path & "\"
    myData = ThisWorkbook.Path & "\data.accdb"
    p = Dir(myPath & "A list *.xls?")
    Set wk = Workbooks.Open(ThisWorkbook.Path & "\" & p)
    If Not wk Is Nothing Then
        If Dir(myData) = "" Then
            Cat.Create "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & myData
            Set Cat = Nothing
            F = True '数据库文件不存在标志
        End If
        
        cnn.Open "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & myData
        For Each sh In Worksheets
            If Not F Then '数据库文件已经存在，先判断同名数据表是否存在，如果存在就删除它
                Set rs = cnn.OpenSchema(adSchemaTables, Array(Empty, Empty, sh.Name, Empty))
                If Not rs.EOF Then
                    SQL = "Drop TABLE " & sh.Name
                    cnn.Execute SQL
                End If
            End If
            SQL = "Select * INTO " & sh.Name & " FROM [Excel 12.0;Database=" & wk.FullName _
                & ";].[sheet1$" & Range("a1").CurrentRegion.Address(0, 0) & "]"
            cnn.Execute SQL
            
        Next
        MsgBox " 成功导入 ", vbInformation, " 导入数据库 "
        cnn.Close
        Application.ScreenUpdating = True
        Application.Calculation = xlCalculationAutomatic
        Set cnn = Nothing
    Else
        MsgBox "无须更新"
    End If
End Sub