XML技术实务课件

XML技術實務中央研究院OutlineXMLXMLSchemaDOMandSAXXPathXSLTXQueryWebService/SOAWS-BPELConclusionXMLDocument<?xmlversion=“1.0”encoding=“UTF-8”?><簡歷><姓名>郭譽申</姓名><姓名語言＝“英文”>Y.S.Kuo</姓名><教育程度>博士</教育程度><服務單位>中央研究院</服務單位></簡歷>XMLCharacteristicsCodingStandardFlexibleDataStructuresDocumentsandDataContentandPresentationSeparationDeclarativeSchemasXMLVocabulariesXHTML,RosettaNet,UBL,Biztalk,…DataInterchange/SystemIntegration

XMLSchema<xs:elementname="簡歷"><xs:complexType><xs:sequence><xs:elementname="姓名"maxOccurs="unbounded"><xs:complexType><xs:attributename=“語言“type=“string”/></xs:complexType></xs:element><xs:elementname="教育程度“type=“string”/><xs:elementname=“服務單位“minOccurs="0"/></xs:sequence></xs:complexType></xs:element>Element/AttributeDeclarationsElementDeclaration<xsd:elementname="city"type="string“/><city>Taipei</city>AttributeDeclaration<xsd:attributename=“country”type=“NMTOKEN”use=“required”/>Global/LocalDataTypesSimpleTypeAtomic/List/UnionComplexTypePrimitiveTypeDerivedTypeList,Union,Restriction,ExtensionBuilt-In(44)/User-DerivedTypeComplexTypesDerivationbyExtensionAddelementandattributedeclarationsDerivationbyRestrictionPutconstraintsonelementandattributedeclarations<complexTypename="Address"><sequence><elementname=“label"type="string"/><elementname="street"type="string"/><elementname="city"type="string"/></sequence><attributename=“country”type=“NMTOKEN”use=“required”/></complexType>

<complexTypename="Items"><elementname=“item“type=“Item”minOccurs=“0“maxOccurs="unbounded"></element></complexType><complexTypename="ConfirmedItems"><restrictionbase="Items"><elementname="item"type=“Item”minOccurs="1"maxOccurs="unbounded"></element></complexType>ComplexTypesSimpleContentOnlyTextandAttributes,NoElementComplexContentMixedContent<complexTypemixed=“true”> <complexContent>EmptyContentDefiningmyInteger,Range10000-99999

<xsd:simpleTypename="myInteger"><xsd:restrictionbase="xsd:integer"> <xsd:minInclusivevalue="10000"/> <xsd:maxInclusivevalue="99999"/></xsd:restriction></xsd:simpleType>

UsingtheEnumerationFacet<xsd:simpleTypename="USState"><xsd:restrictionbase="xsd:string"> <xsd:enumerationvalue="AK"/> <xsd:enumerationvalue="AL"/> <xsd:enumerationvalue="AR"/> <!--andsoon...--></xsd:restriction></xsd:simpleType>

DerivationbyList<xsd:simpleType name="listOfMyIntType"> <xsd:listitemType="myInteger"/></xsd:simpleType>

ConclusionXSDismuchricherinsemanticsthanDTD.XSDappearslikethedeclarationpartofaprogramminglanguage.XSDisnothardtolearn.XSDisrecommendedbyW3C.XSDwillbethestandard.XMLSchemaversusDTDTypeSystemsBuilt-InTypesTypeDerivationContentModelMixedContentElementOccurrencesWildcardsSemanticConstraintsXSDismuchricherinsemanticsthanDTD.DocumentObjectModel(DOM)

XPathLanguageforAddressingPartsofanXMLDocumentDeclarativeExpressionsUsesinXSLT,XPointer,XQuery,…XPath1.0,W3CREC.,Nov.1999XPath2.0LocationPathschild::doc/child::chapter[position()=5]/child::section[position()=2]Node-SetsRelative/AbsoluteLocationPathLocationStepsAxisNodeTestPredicatePathExpressionsDataTypesNode-Set(LocationPath)BooleanNumberStringVariableReference,e.g.$xFunctionCall,e.g.id(“foo”)XSLTDocumentTransformationamongXMLVocabulariesXSLTisXML-basedXSLTisruleandtemplatebasedXSLTisadeclaritvelanguagematchingisprimaryoperationsalsosupportimperative-likeprimitives,eg.flowcontrol,sorting,variablesHowDoesXSLTWork?HowDoesXSLTWork?Duringthetransformation:XSLTprocessorreadsbothXMLandXSLTdocumentsTrytomatchelementsinXMLaccordingtorulesspecifiedinXSLTIfsomeelementsarematched,processorgeneratesresultelementsaccordingtotemplatesinXSLTAfterthetransformation,youcouldobtain:aresultXMLdocumentXSLTProcessingSequenceHello,World!(material)<?xmlversion="1.0"?><xslTutorial><title>Hello,World!</title><author>Kuan-TaChen</author><date>2001/05/16</date></xslTutorial><xsl:stylesheetversion="1.0“

xmlns:xsl=""><xsl:templatematch="/"><H1><xsl:value-ofselect="//title"/></H1><H2><xsl:value-ofselect="//author"/></H2><H3><xsl:value-ofselect="//date"/></H3></xsl:template></xsl:stylesheet>SourceXMLXSLStylesheetHello,World![result]<?xmlversion="1.0"encoding="UTF-16"?><H1>Hello,World!</H1><H2>Kuan-TaChen</H2><H3>2001/05/16</H3>ResultXMLResultXMLpreviewedinbrowserWebService/SOASupportinteroperablemachine-to-machineinteractionoveranetwork.RPC-Oriented(RemoteProcedureCall)Message-OrientedRESTWebServiceTriadWS-BPEL(BusinessProcessExecutionLanguage)Process/WorkflowEngineforSOAApplicationIntegrationWebServiceDataRepresentationDataTypesinXMLSchemasProcessDefinitionsinXMLXML-BasedWorkflowManagementBPELversusXPDLOASIS,IBM,Oracle,MicrosoftNarrowScopeWebServiceforAppl.IntegrationXMLSchemasasDataTypesWfMC,ManyWfMSVendorsWideScopeAPIinMultipleLanguagesTraditionalDataTypes+XMLBPELvers