Heim >Backend-Entwicklung >XML/RSS-Tutorial >Die VBS-Klasse generiert eine XML-Datei
Bitte geben Sie beim Nachdruck die Quelle an: Von der VBS-Klasse generierte XML-Datei
enthält zwei Dateien:
objXML.asp: Testdatei
clsXML.asp: VBS-Klassendatei
Code:
objXML.asp <%@ Language=VBScript %><% Option Explicit %><!--#INCLUDE FILE='clsXML.asp'--><%Dim objXML, strPath, strSet 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 NodeobjXML.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 updatedobjXML.updateField 'Jobs[@Size=24]', '24's' 'Notice that only two nodes have the specified XPath, hence 'only two new child nodes will be addedobjXML.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>')NextSet objXML = Nothing Response.Redirect 'New.xml'%> clsXML.asp: <%Class clsXML'strFile must be full path to document, ie C:\XML\XMLFile.XML'objDoc is the XML ObjectPrivate strFile, objDoc '*********************************************************************' Initialization/Termination'********************************************************************* 'Initialize Class MembersPrivate Sub Class_Initialize()strFile = ''End Sub 'Terminate and unload all created objectsPrivate Sub Class_Terminate()Set objDoc = NothingEnd Sub '*********************************************************************' Properties'********************************************************************* 'Set XML File and objDocPublic Property Let File(str)Set objDoc = Server.CreateObject('Microsoft.XMLDOM')objDoc.async = FalsestrFile = strobjDoc.Load strFileEnd Property 'Get XML FilePublic Property Get File()File = strFileEnd Property '*********************************************************************' Functions'********************************************************************* 'Create Blank XML File, set current obj File to newly created filePublic Function createFile(strPath, strRoot)Dim objFSO, objTextFileSet objFSO = Server. CreateObject('Scripting.FileSystemObject')Set objTextFile = objFSO.CreateTextFile(strPath, True)objTextFile.WriteLine('<?xml version=''1.0''?>')objTextFile. WriteLine('<' & strRoot & '/>')objTextFile.CloseMe.File = strPathSet objTextFile = NothingSet objFSO = NothingEnd Function 'Get XML Field(s) based on XPath input from root nodePublic Function getField(strXPath)Dim objNodeList, arrResponse(), iSet objNodeList = objDoc.documentElement. selectNodes(strXPath)ReDim arrResponse(objNodeList.length)For i = 0 To objNodeList.length - 1arrResponse(i) = objNodeList.item(i). TextNextgetField = arrResponseEnd Function 'Update existing node(s) based on XPath specsPublic Function updateField(strXPath, strData)Dim objFieldFor Each objField In objDoc.documentElement. selectNodes(strXPath)objField.Text = strDataNextobjDoc.Save strFileSet objField = NothingupdateField = TrueEnd Function 'Create node directly under rootPublic Function createRootChild(strNode)Dim objChildSet objChild = objDoc.createNode(1, strNode, '')objDoc.documentElement. appendChild(objChild)objDoc.Save strFileSet objChild = NothingEnd Function 'Create a child node under root node with attributesPublic Function createRootNodeWAttr(strNode, attr, val)Dim objChild, objAttrSet objChild = objDoc. createNode(1, strNode, '')If IsArray(attr) And IsArray(val) ThenIf UBound(attr)-LBound(attr) <> UBound(val)-LBound(val) ThenExit FunctionElseDim iFor i = LBound(attr) To UBound(attr)Set objAttr = objDoc.createAttribute(attr(i))objChild.setAttribute attr(i), val(i)NextEnd IfElseSet objAttr = objDoc. createAttribute(attr)objChild.setAttribute attr, valEnd IfobjDoc.documentElement.appendChild(objChild)objDoc.Save strFileSet objChild = NothingEnd Function 'Create a child node under the specified XPath NodePublic Function createChildNode(strXPath, strNode)Dim objParent, objChildFor Each objParent In objDoc. documentElement.selectNodes(strXPath)Set objChild = objDoc.createNode(1, strNode, '')objParent.appendChild(objChild)NextobjDoc.Save strFileSet objParent = NothingSet objChild = NothingEnd Function 'Create a child node(s) under the specified XPath Node with attributesPublic Function createChildNodeWAttr(strXPath, strNode, attr, val)Dim objParent, objChild, objAttrFor Each objParent In objDoc.documentElement.selectNodes(strXPath)Set objChild = objDoc.createNode(1, strNode, '')If IsArray(attr) And IsArray(val) ThenIf UBound(attr)-LBound(attr) <> UBound(val)-LBound(val) ThenExit FunctionElseDim iFor i = LBound(attr) To UBound(attr)Set objAttr = objDoc. createAttribute(attr(i))objChild.SetAttribute attr(i), val(i)NextEnd IfElseSet objAttr = objDoc.createAttribute(attr)objChild.setAttribute attr, valEnd IfobjParent.appendChild(objChild)NextobjDoc.Save strFileSet objParent = NothingSet objChild = NothingEnd Function 'Delete the node specified by the XPathPublic Function deleteNode(strXPath)Dim objOldFor Each objOld In objDoc.documentElement.selectNodes(strXPath)objDoc. documentElement.removeChild objOldNextobjDoc.Save strFileSet objOld = NothingEnd FunctionEnd Class%>
Das Obige ist der Inhalt der von der VBS-Klasse generierten XML-Datei. Für weitere verwandte Inhalte achten Sie bitte auf PHP Chinesische Website (www.php.cn)!