纯编码如何实现Access数据库的建立或压缩(5)
end function Public function DbExists(byVal dbPath) 查找 数据库 文件是否存在 On Error resume Next Dim c Set c = Server.CreateObject(ADODB.Connection) c.Open Provider=Microsoft.Jet.OLEDB.4.0;Data Source= dbPath If Err.number0 Then Err.Clear
Public function DbExists(byVal dbPath)
’查找数据库文件是否存在
On Error resume Next
Dim c
Set c = Server.CreateObject("ADODB.Connection")
c.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbPath
If Err.number0 Then
Err.Clear
DbExists = false
else
DbExists = True
End If
set c = nothing
End function
Public function AppPath()
’取当前真实路径
AppPath = Server.MapPath("./")
End function
Public function AppName()
’取当前程序名称
AppName = Mid(Request.ServerVariables("SCRIPT_NAME"),(InStrRev(Request.ServerVariables("SCRIPT_NAME") ,"/",-1,1))+1,Len(Request.ServerVariables("SCRIPT_NAME")))
End Function
Public function DeleteFile(filespec)
’删除一个文件
Dim fso
Set fso = CreateObject("Scripting.FileSystemObject")
If Err.number0 Then
Response.Write("删除文件发生错误!请查看错误信息
" & Err.number & "
" & Err.Description)
Err.Clear
DeleteFile = False
End If
call fso.DeleteFile(filespec)
Set fso = Nothing
DeleteFile = True
End function
Public function RenameFile(filespec1,filespec2)
’修改一个文件
Dim fso
Set fso = CreateObject("Scripting.FileSystemObject")
If Err.number0 Then
Response.Write("修改文件名时发生错误!请查看错误信息
" & Err.number & "
" & Err.Description)
Err.Clear
RenameFile = False
End If
call fso.CopyFile(filespec1,filespec2,True)
call fso.DeleteFile(filespec1)
Set fso = Nothing
RenameFile = True
End function
End Class
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