ASP 高级模板引擎实现类
2018-09-06 12:44
复制代码 代码如下:
Class template
Private c_Char, c_Path, c_FileName, c_Content, c_PageUrl, c_CurrentPage, c_PageStr, ReplacePageStr
Private TagName
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设置编码
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Public Property Let Char(ByVal Str)
c_Char = Str
End Property
Public Property Get Char
Char = c_Char
End Property
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设置模板文件夹路径
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Public Property Let Path(ByVal Str)
c_Path = Str
End Property
Public Property Get Path
Path = c_Path
End Property
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设置模板文件名
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Public Property Let FileName(ByVal Str)
c_FileName = Str
End Property
Public Property Get FileName
FileName = c_FileName
End Property
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获得模板文件具体路径
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Public Property Get FilePath
If Len(Path) > 0 Then Path = Replace(Path, \, /)
If Right(Path, 1) <> / Then Path = Path & /
FilePath = Path & FileName
End Property
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设置分页URL
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Public Property Let PageUrl(ByVal Str)
c_PageUrl = Str
End Property
Public Property Get PageUrl
PageUrl = c_PageUrl
End Property
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设置分页 当前页
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Public Property Let CurrentPage(ByVal Str)
c_CurrentPage = Str
End Property
Public Property Get CurrentPage
CurrentPage = c_CurrentPage
End Property
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输出内容
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Public Property Get Flush
Response.Write(c_Content)
End Property
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类初始化
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Private Sub Class_Initialize
TagName = pjblog
c_Char = UTF-8
ReplacePageStr = Array(, )
End Sub
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过滤冲突字符
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Private Function doQuote(ByVal Str)
doQuote = Replace(Str, Chr(34), )
End Function
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类终结
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Private Sub Class_Terminate
End Sub
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加载文件方法
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Private Function LoadFromFile(ByVal cPath)
Dim obj
Set obj = Server.CreateObject(ADODB.Stream)
With obj
.Type = 2
.Mode = 3
.Open
.Charset = Char
.Position = .Size
.LoadFromFile Server.MapPath(cPath)
LoadFromFile = .ReadText
.close
End With
Set obj = Nothing
End Function
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获取正则匹配对象
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Public Function GetMatch(ByVal Str, ByVal Rex)
Dim Reg, Mag
Set Reg = New RegExp
With Reg
.IgnoreCase = True
.Global = True
.Pattern = Rex
Set Mag = .Execute(Str)
Set GetMatch = Mag
Else
Set GetMatch = Server.CreateObject(Scripting.Dictionary)
End If
End With
Set Reg = nothing
End Function
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打开文档
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Public Sub open
c_Content = LoadFromFile(FilePath)
End Sub
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缓冲执行
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Public Sub Buffer
c_Content = GridView(c_Content)
Call ExecuteFunction
End Sub
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GridView
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Private Function GridView(ByVal o_Content)
Dim Matches, SubMatches, SubText
Dim Attribute, Content
Set Matches = GetMatch(o_Content, \< & TagName & \:(\d+?)(.+?)\>([\s\S]+?)<\/ & TagName & \:\1\>)
If Matches.Count > 0 Then
For Each SubMatches In Matches
Attribute = SubMatches.SubMatches(1) kocms
Content = SubMatches.SubMatches(2) <Columns>...</Columns>
SubText = Process(Attribute, Content) 返回所有过程执行后的结果
o_Content = Replace(o_Content, SubMatches.value, < & SubText(2) & SubText(0) & > & SubText(1) & </ & SubText(2) & >, 1, -1, 1) 替换标签变量
Next
End If
Set Matches = Nothing
If Len(ReplacePageStr(0)) > 0 Then 判断是否标签变量有值,如果有就替换掉.
o_Content = Replace(o_Content, ReplacePageStr(0), ReplacePageStr(1), 1, -1, 1)
ReplacePageStr = Array(, ) 替换后清空该数组变量
End If
GridView = o_Content
End Function
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确定属性
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Private Function Process(ByVal Attribute, ByVal Content)
Dim Matches, SubMatches, Text
Dim MatchTag, MatchContent
Dim datasource, Name, Element, page, id
datasource = : Name = : Element = : page = 0 : id =
Set Matches = GetMatch(Attribute, \s(.+?)\=\(.+?)\)
If Matches.Count > 0 Then
For Each SubMatches In Matches
MatchTag = SubMatches.SubMatches(0) 取得属性名
MatchContent = SubMatches.SubMatches(1) 取得属性值
If Lcase(MatchTag) = name Then Name = MatchContent 取得name属性值
If Lcase(MatchTag) = datasource Then datasource = MatchContent 取得datasource属性值
If Lcase(MatchTag) = element Then Element = MatchContent 取得element属性值
If Lcase(MatchTag) = page Then page = MatchContent 取得page属性值
If Lcase(MatchTag) = id Then id = MatchContent 取得id属性值
Next
If Len(Name) > 0 And Len(MatchContent) > 0 Then
Text = Analysis(datasource, Name, Content, page, id) 执行解析属性
If Len(datasource) > 0 Then Attribute = Replace(Attribute, datasource= & datasource & , )
If page > 0 Then Attribute = Replace(Attribute, page= & page & , )
Attribute = Replace(Attribute, name= & Name & , , 1, -1, 1)
Attribute = Replace(Attribute, element= & Element & , , 1, -1, 1)
Process = Array(Attribute, Text, Element)
Else
Process = Array(Attribute, , div)
End If
Else
Process = Array(Attribute, , div)
End If
Set Matches = Nothing
End Function
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解析
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Private Function Analysis(ByVal id, ByVal Name, ByVal Content, ByVal page, ByVal PageID)
Dim Data
Select Case Lcase(Name) 选择数据源
Case loop Data = DataBind(id, Content, page, PageID)
Case for Data = DataFor(id, Content, page, PageID)
End Select
Analysis = Data
End Function
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绑定数据源
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Private Function DataBind(ByVal id, ByVal Content, ByVal page, ByVal PageID)
Dim Text, Matches, SubMatches, SubText
Execute Text = & id & (1) 加载数据源
Set Matches = GetMatch(Content, \<Columns\>([\s\S]+)\<\/Columns\>)
If Matches.Count > 0 Then
For Each SubMatches In Matches
SubText = ItemTemplate(SubMatches.SubMatches(0), Text, page, PageID) 执行模块替换
Content = Replace(Content, SubMatches.value, SubText, 1, -1, 1)
Next
DataBind = Content
Else
DataBind =
End If
Set Matches = Nothing
End Function
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匹配模板实例
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Private Function ItemTemplate(ByVal TextTag, ByVal Text, ByVal page, ByVal PageID)
Dim Matches, SubMatches, SubMatchText
Dim SecMatch, SecSubMatch
Dim i, TempText
Dim TextLen, TextLeft, TextRight
Set Matches = GetMatch(TextTag, \<ItemTemplate\>([\s\S]+)\<\/ItemTemplate\>)
If Matches.Count > 0 Then
For Each SubMatches In Matches
SubMatchText = SubMatches.SubMatches(0)
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循环嵌套开始
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SubMatchText = GridView(SubMatchText)
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循环嵌套结束
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If UBound(Text, 1) = 0 Then
TempText =
Else
TempText =
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开始分页
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If Len(page) > 0 And page > 0 Then
If Len(CurrentPage) = 0 Or CurrentPage = 0 Then CurrentPage = 1
TextLen = UBound(Text, 2)
TextLeft = (CurrentPage - 1) * page
TextRight = CurrentPage * page - 1
If TextLeft < 0 Then TextLeft = 0
If TextRight > TextLen Then TextRight = TextLen
c_PageStr = MultiPage(TextLen + 1, page, CurrentPage, PageUrl, float:right, , False)
If Int(Len(c_PageStr)) > 0 Then
ReplacePageStr = Array(<page: & Trim(PageID) & />, c_PageStr)
Else
ReplacePageStr = Array(<page: & Trim(PageID) & />, )
End If
Else
TextLeft = 0
TextRight = UBound(Text, 2)
End If
For i = TextLeft To TextRight
TempText = TempText & ItemReSec(i, SubMatchText, Text) 加载模板内容
Next
End If
Next
ItemTemplate = TempText
Else
ItemTemplate =
End If
Set Matches = Nothing
End Function
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替换模板字符串
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Private Function ItemReSec(ByVal i, ByVal Text, ByVal Arrays)
Dim Matches, SubMatches
Set Matches = GetMatch(Text, \$(\d+?))
If Matches.Count > 0 Then
For Each SubMatches In Matches
Text = Replace(Text, SubMatches.value, doQuote(Arrays(SubMatches.SubMatches(0), i)), 1, -1, 1) 执行替换
Next
ItemReSec = Text
Else
ItemReSec =
End If
Set Matches = Nothing
End Function
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全局变量函数
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Private Sub ExecuteFunction
Dim Matches, SubMatches, Text, ExeText
Set Matches = GetMatch(c_Content, \<function\:([0-9a-zA-Z_\.]*?)\((.*?)\(.+?)\(.*?)\)\/\>)
If Matches.Count > 0 Then
For Each SubMatches In Matches
Text = SubMatches.SubMatches(0) & ( & SubMatches.SubMatches(1) & & SubMatches.SubMatches(2) & & SubMatches.SubMatches(3) & )
Execute ExeText= & Text
c_Content = Replace(c_Content, SubMatches.value, ExeText, 1, -1, 1)
Next
End If
Set Matches = Nothing
End Sub
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普通替换全局标签
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Public Property Let Sets(ByVal t, ByVal s)
Dim SetMatch, Bstr, SetSubMatch
Set SetMatch = GetMatch(c_Content, (\<Set\:([0-9a-zA-Z_\.]*?)\(((.*?) & t & (.*?))?\)\/\>))
If SetMatch.Count > 0 Then
For Each SetSubMatch In SetMatch
Execute Bstr = & SetSubMatch.SubMatches(1) & ( & SetSubMatch.SubMatches(3) & & s & & SetSubMatch.SubMatches(4) & )
c_Content = Replace(c_Content, SetSubMatch.Value, Bstr, 1, -1, 1)
Next
End If
Set SetMatch = Nothing
Set SetMatch = GetMatch(c_Content, (\<Set\: & t & \/\>))
If SetMatch.Count > 0 Then
For Each SetSubMatch In SetMatch
c_Content = Replace(c_Content, SetSubMatch.Value, s, 1, -1, 1)
Next
End If
Set SetMatch = Nothing
End Property
End Class