文章标题：vbs类处理模板实现代码与界面分离
'作者：yanek
'email:aspboy@263.net

本程序通过vbs类处理模板实现代码与界面分离的程序，主要有下面文件组成
index.asp，parse_cls.asp，template.html
下面是代码

1。index.asp 调用vbs类处理模板

<%
'作者：yanek
'email:aspboy@263.net

'------
' index.asp
'----------
' (c)2000 James Q. Stansfield (james.stansfield@iridani.com)
' This code is free for use by anyone. It is meant as a learning tool and can be passed along in any format.
option explicit
%>
<!--#INCLUDE FILE="parse_cls.asp"-->
<%
'Declare our variables
dim g_oPageGen
'Cerate the class object
set g_oPageGen = New parseTMPL
'Set the template file
g_oPageGen.TemplateFile = "template.html"
'Add some custom tags to the dictionary
g_oPageGen.AddToken "title", "Template Example"
g_oPageGen.AddToken "copyright", "This is mine! All mine!"
g_oPageGen.AddToken "quote", """Tell Jabba I've got his money!""<br>--Han Solo, Star Wars 1977"
g_oPageGen.AddToken "menu", "Home Page<br>News Page<br>Link Page"
g_oPageGen.AddToken "content", "Welcome To My Home Page... Yadda Yadda Yadda!"
'Generate the page
g_oPageGen.GenerateHTML
'Destroy our objects
set g_oPageGen = nothing
%>



2。parse_cls.asp处理模板类文件

<%
'作者：yanek
'email:aspboy@263.net

'------
' parse_cls.asp
' This code is free for use by anyone. It is meant as a learning tool and can be passed along in any format.
class parseTMPL
'Dimension variables
private g_sTMPLFILE
private g_oDict
private g_bFILE

private sub class_Initialize
'Create the Scripting.Dictionary Object,
'Set the compare mode to 1 so that it is case insensitive.
'Also flag a boolean file so we know whether our file is there or not.
set g_oDict = createobject("Scripting.Dictionary")
g_oDict.CompareMode = 1
g_bFILE = FALSE
end sub

private sub class_Terminate
'Destroy our object.
set g_oDict = nothing
end sub

public property let TemplateFile(inFile)
'A file & path must be specified for the routine to work.
g_sTMPLFILE = server.mappath(inFile)
end property

private property get TemplateFile()
TemplateFile = g_sTMPLFILE
end property

public sub AddToken(inToken, inValue)
'This property allows us to set our tokens.
g_oDict.Add inToken, inValue
end sub

public sub GenerateHTML
'This is the main, and only public method of the class.
'This method will check whether we've specified a file or not.
'Check for the files existance if we have specified it.
'If the file exists we will open it and dumps it's contents into an array.
'The array is split on VbCrLf to make it more manageable.
if len(g_sTMPLFILE) > 0 then
dim l_oFSO, l_oFile, l_arrFile
set l_oFSO = createobject("Scripting.FileSystemObject")
if l_oFSO.FileExists(TemplateFile) then
g_bFILE = TRUE
set l_oFile = l_oFSO.OpenTextFile(g_sTMPLFILE)
l_arrFile = split(l_oFile.ReadAll, VbCrLf)
l_oFile.Close
set l_oFile = Nothing
end if
set l_oFSO = nothing
else
'Filename was never passed!
end if
'If we have a file, we will prase it line by line
'by sending each line to ParseTMPL()
if g_bFILE then
Dim l_sLine
for each l_sLine in l_arrFile
ParseTMPL(l_sLine)
next
else
'Error File Not Found!
end if
end sub

private sub ParseTMPL(inLine)
'This is a reasonably complex piece of code that looks for any text that is bounded by '[%' and '%]'...
'If it finds one it takes the first part of the line up to the '[%' and displays it to the user.
'It then passes the bounded text to getToken.
'The it send the text that resides past the '%]' to itself(ParseTMPL), that way it can check for another
'token on the same line.
'If the routine doesn't find a '[%' in the line it simply displays it for the user.
dim l_ia, l_ib, l_sLine, l_sLine2, l_sToken
l_ia = instr(inLine, "][%")
if l_ia > 0 then
l_sLine = left(inLine, l_ia - 1)
l_ib = instr(inLine, "%]")
l_sLine2 = mid(inLine, l_ib + 2)
l_sToken = trim(mid(inLine, l_ia + 2, (l_ib - l_ia - 2)))
Response.Write(l_sLine & VbCrLf)
getToken(l_sToken)
ParseTMPL(l_sLine2)
else
Response.Write(inLine & VbCrLf)
end if
end sub

private sub getToken(inToken)
'This routine checks the Dictionary for the text passed to it.
'If it finds a key in the Dictionary it Display the value to the user.
'If not, by default it will display the full Token in the HTML source so that you can debug your templates.
if g_oDict.Exists(inToken) then
Response.Write(g_oDict.Item(inToken) & VbCrLf)
else
Response.Write("<!--[%" & inToken & "%]-->" & VbCrLf)
end if
end sub
end class
%>

3.template.html 模板文件

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>
<head>
<title>[%TITLE%]</title>
</head>

<body>
<table border="0" width="785" align="center" cellspacing="0" cellpadding="0" class="largetable">
<tr>
<td rowspan="2" height="100%" width="150" valign="top" align="right">[%MENU%]</td>
<td valign="top" width="635" class="caption" align="center">[%QUOTE%]</td>
</tr>
<tr>
<td valign="top" bgcolor="#b0c4de" width="635" class="layout">[%CONTENT%]</td>
</tr>
<tr>
<td colspan="2" width="785" align="center" class="caption">[%COPYRIGHT%]</td>
</tr>

</body>
</html>

演示地址：http://www.cnaspol.com/tmpcode/index.asp