ASP online Upgrade class files

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Rem #####################################################################################
Rem # Online Upgrade class declaration
Class cls_oupdate
Rem #################################################################
Rem # Description: ASP Online Upgrade class
Rem # Version: 1.0.0
Rem # # Author: Xiao Moon scar
Rem # Msn:xiaoyuehen (at) msn.com
Rem # Please replace (at) with @
Rem # Copyright: Since sharing, it does not matter copyright. But must be limited to the network dissemination, cannot use in the traditional media!
Rem # If you can keep these explanatory information, I am more grateful!
Rem # If you have better code optimization, related improvements, please remember to tell me, thank you very much!
Rem #################################################################
Public Localversion, Lastversion, FileType
Public Urlversion, Urlupdate, Updatelocalpath, Info
Public urlhistory
Private sstrversionlist, Sarrversionlist, Sintlocalversion, sstrlocalversion
Private sstrlogcontent, Sstrhistorycontent, Sstrurlupdate, sstrurllocal
Rem #################################################################
Private Sub Class_Initialize ()
Rem # version information full URL to http://head
Rem # # Example: http://localhost/software/Version.htm
Urlversion = ""

Rem # Upgrade URL to http://head,/end
Rem # # Example: http://localhost/software/
Urlupdate = ""

Rem # Local Update directory, to/start,/end. The/Start is updated for the current site. Prevents writing to other directories.
REM # Program detects whether a directory exists, does not exist automatically creates
Updatelocalpath = "/"

Rem # generated software history files
Urlhistory = "History.htm"

Rem # The last hint message
Info = ""

Rem # Current Version
Localversion = "1.0.0"

Rem # Latest Version
Lastversion = "1.0.0"

REM # All versions information file suffix name
FileType = ". asp"
End Sub
Rem #################################################################

Rem #################################################################
Private Sub Class_Terminate ()

End Sub
Rem #################################################################
Rem # performs an upgrade action
Rem #################################################################
Public Function DoUpdate ()
DoUpdate = False

Urlversion = Trim (urlversion)
Urlupdate = Trim (urlupdate)

Rem # Upgrade URL detection
If (Left (urlversion, 7) <> "http://") Or (left (urlupdate, 7) <> "http://") Then
Info = "version detect URL is empty, upgrade URL is empty or malformed (#1)"
Exit function
End If

If Right (urlupdate, 1) <> "/" Then
Sstrurlupdate = urlupdate & "/"
Else
Sstrurlupdate = Urlupdate
End If

If Right (Updatelocalpath, 1) <> "/" Then
sstrurllocal = Updatelocalpath & "/"
Else
Sstrurllocal = Updatelocalpath
End If

REM # Current version information (number)
Sstrlocalversion = Localversion
Sintlocalversion = Replace (Sstrlocalversion, ".", "")
Sintlocalversion = Tonum (sintlocalversion, 0)

Rem # Version Detection (initialize version information and compare)
If islastversion Then Exit function

Rem # Starts the upgrade
DoUpdate = Nowupdate ()
Lastversion = Sstrlocalversion
End Function
Rem #################################################################

Rem # Detects whether it is the latest version
Rem #################################################################
Private function Islastversion ()
Rem # Initialize version information (initialize sarrversionlist array)
If iniversionlist Then
Rem # If successful, compare version
Dim I
Islastversion = True
For i = 0 to UBound (sarrversionlist)
If sarrversionlist (i) > Sintlocalversion Then
Rem # If the latest version, then exit the loop
Islastversion = False
Info = "Already the latest version!"
Exit for
End If
Next
Else
Rem # otherwise return error message
Islastversion = True
info = "Error getting version information!" (#2) "
End If
End Function
Rem #################################################################
Rem # Detects whether it is the latest version
Rem #################################################################
Private function Iniversionlist ()
Iniversionlist = False

Dim strversion
Strversion = Getversionlist ()

Rem # If the return value is NULL, initialization fails
If strversion = "" Then
Info = "Error ..."
Exit function
End If

Sstrversionl