Home  >  Article  >  Database  >  纯编码如何实现Access数据库的建立或压缩(2)

纯编码如何实现Access数据库的建立或压缩(2)

WBOY
WBOYOriginal
2016-06-07 15:03:221404browse

Set Ca = Nothing CreateDBfile = True End 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(SavePat

Set Ca = Nothing

  CreateDBfile = True

  End 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

  If DbVer=0 Then

  call 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

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn