2012年计算机二级Access重点:数据库的建立或压缩(2)
Set Ca = Nothing CreateDBfile = TrueEnd If
End function
Public function CompactDatabase(byVal dbFileName,byVal DbVer,byVal SavePath)
’压缩数据库文件
’0 为access 97
’1 为access 2000
On Error resume next
If Right(SavePath,1)"\" Or Right(SavePath,1)"/" Then SavePath = Trim(SavePath) & "\"
If Left(dbFileName,1)="\" Or Left(dbFileName,1)="/" Then dbFileName = Trim(Mid(dbFileName,2,Len(dbFileName)))
If DbExists(SavePath & dbFileName) Then
Response.Write ("对不起,该数据库已经存在!")
CompactDatabase = False
Else
Dim Cd
Set Cd =Server.CreateObject("JRO.JetEngine")
If Err.number0 Then
Response.Write ("无法压缩,请检查错误信息
" & Err.number & "
" & Err.Description)
Err.Clear
Exit function
End If
2012年计算机二级Access重点:数据库的建立或压缩(2)
</p> If DbVer=0 Thencall Cd.CompactDatabase("Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName,"Provider=Microsoft.Jet.OLEDB.3.51;Data
Source=" & SavePath & dbFileName & ".bak.mdb;Jet OLEDB;Encrypt Database=True")
Else
call Cd.CompactDatabase("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" &
SavePath & dbFileName,"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" &
SavePath & dbFileName & ".bak.mdb;Jet OLEDB;Encrypt Database=True")
End If
’删除旧的数据库文件
call DeleteFile(SavePath & dbFileName)
’将压缩后的数据库文件还原
call RenameFile(SavePath & dbFileName & ".bak.mdb",SavePath & dbFileName)
Set Cd = False
CompactDatabase = True
End If
end function
页:
[1]