vbs类生成xml文件

March 25,2004

有两文件:
objXML.asp:测试文件
clsXML.asp:vbs类文件
代码:
objXML.asp

<%@ Language=VBScript %>
<% Option Explicit %>

<%
Dim objXML, strPath, str
Set objXML = New clsXML

strPath = Server.MapPath(".") & "New.xml"

objXML.createFile strPath, "Root"
'Or If using an existing XML file:
'objXML.File = "C:File.xml"

objXML.createRootChild "Images"

'Here only one attribute is added to the Images/Image Node
objXML.createChildNodeWAttr "Images", "Image", "id", "1"
objXML.updateField "Images//Image[@id=1]", "super.gif"
objXML.createRootNodeWAttr "Jobs", Array("Size", "Length", "Width"), _
Array(24, 31, 30)
objXML.createRootNodeWAttr "Jobs", Array("Size", "Length", "Width"), _
Array(24, 30, 29)
objXML.createRootNodeWAttr "Jobs", Array("Size", "Length", "Width"), _
Array(24, 31, 85)

'Notice that all three job nodes have size 24, all of those
'nodes will be updated
objXML.updateField "Jobs[@Size=24]", "24's"

'Notice that only two nodes have the specified XPath, hence
'only two new child nodes will be added
objXML.createChildNodeWAttr "Jobs[@Size=24 and @Length=31]", "Specs", _
Array("Wood", "Metal", "Color"), _
Array("Cedar", "Aluminum", "Green")

'It is always important to iterate through all of the nodes
'returned by this XPath query.
For Each str In objXML.getField("Jobs[@Size=24]")
Response.Write(str & "<br>")
Next
Set objXML = Nothing

Response.Redirect "New.xml"
%>

clsXML.asp:

<%
Class clsXML
  'strFile must be full path to document, ie C:XMLXMLFile.XML
  'objDoc is the XML Object
  Private strFile, objDoc

  '*********************************************************************
  ' Initialization/Termination
  '*********************************************************************

  'Initialize Class Members
  Private Sub Class_Initialize()
strFile = ""
  End Sub

  'Terminate and unload all created objects
  Private Sub Class_Terminate()
Set objDoc = Nothing
  End Sub

  '*********************************************************************
  ' Properties
  '*********************************************************************

  'Set XML File and objDoc
  Public Property Let File(str)
Set objDoc = Server.CreateObject("Microsoft.XMLDOM")
objDoc.async = False
strFile = str
objDoc.Load strFile
  End Property

  'Get XML File
  Public Property Get File()
File = strFile
  End Property

  '*********************************************************************
  ' Functions
  '*********************************************************************

  'Create Blank XML File, set current obj File to newly created file
  Public Function createFile(strPath, strRoot)
Dim objFSO, objTextFile
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
Set objTextFile = objFSO.CreateTextFile(strPath, True)
objTextFile.WriteLine("<?xml version=""1.0""?>")
objTextFile.WriteLine("<" & strRoot & "/>")
objTextFile.Close
Me.File = strPath
Set objTextFile = Nothing
Set objFSO = Nothing
  End Function

  'Get XML Field(s) based on XPath input from root node
  Public Function getField(strXPath)
Dim objNodeList, arrResponse(), i
Set objNodeList = objDoc.documentElement.selectNodes(strXPath)
ReDim arrResponse(objNodeList.length)
For i = 0 To objNodeList.length - 1
   arrResponse(i) = objNodeList.item(i).Text
Next
getField = arrResponse
  End Function

  'Update existing node(s) based on XPath specs
  Public Function updateField(strXPath, strData)
Dim objField
For Each objField In objDoc.documentElement.selectNodes(strXPath)
   objField.Text = strData
Next
objDoc.Save strFile
Set objField = Nothing
updateField = True
  End Function

  'Create node directly under root
  Public Function createRootChild(strNode)
Dim objChild
Set objChild = objDoc.createNode(1, strNode, "")
objDoc.documentElement.appendChild(objChild)
objDoc.Save strFile
Set objChild = Nothing
  End Function

  'Create a child node under root node with attributes
  Public Function createRootNodeWAttr(strNode, attr, val)
Dim objChild, objAttr
Set objChild = objDoc.createNode(1, strNode, "")
If IsArray(attr) And IsArray(val) Then
   If UBound(attr)-LBound(attr) <> UBound(val)-LBound(val) Then
      Exit Function
   Else
      Dim i
      For i = LBound(attr) To UBound(attr)
      Set objAttr = objDoc.createAttribute(attr(i))
      objChild.setAttribute attr(i), val(i)
      Next
   End If
Else
   Set objAttr = objDoc.createAttribute(attr)
   objChild.setAttribute attr, val
End If
objDoc.documentElement.appendChild(objChild)
objDoc.Save strFile
Set objChild = Nothing
  End Function

  'Create a child node under the specified XPath Node
  Public Function createChildNode(strXPath, strNode)
Dim objParent, objChild
For Each objParent In objDoc.documentElement.selectNodes(strXPath)
   Set objChild = objDoc.createNode(1, strNode, "")
   objParent.appendChild(objChild)
Next
objDoc.Save strFile
Set objParent = Nothing
Set objChild = Nothing
  End Function

  'Create a child node(s) under the specified XPath Node with attributes
  Public Function createChildNodeWAttr(strXPath, strNode, attr, val)
Dim objParent, objChild, objAttr
For Each objParent In objDoc.documentElement.selectNodes(strXPath)
   Set objChild = objDoc.createNode(1, strNode, "")
   If IsArray(attr) And IsArray(val) Then
      If UBound(attr)-LBound(attr) <> UBound(val)-LBound(val) Then
      Exit Function
      Else
      Dim i
      For i = LBound(attr) To UBound(attr)
         Set objAttr = objDoc.createAttribute(attr(i))
         objChild.SetAttribute attr(i), val(i)
      Next
      End If
   Else
      Set objAttr = objDoc.createAttribute(attr)
      objChild.setAttribute attr, val
   End If
   objParent.appendChild(objChild)
Next
objDoc.Save strFile
Set objParent = Nothing
Set objChild = Nothing
  End Function

  'Delete the node specified by the XPath
  Public Function deleteNode(strXPath)
Dim objOld
For Each objOld In objDoc.documentElement.selectNodes(strXPath)
   objDoc.documentElement.removeChild objOld
Next
objDoc.Save strFile
Set objOld = Nothing
  End Function
End Class
%>