標(biāo)準(zhǔn)化是網(wǎng)路技術(shù)演進(jìn)的主軸-在線(xiàn)瀏覽
2025-03-11 06:36本頁(yè)面
【正文】 tation SystemLogic ResourceWebServicesWeb Computing Lab (FJU CSIE)Integration (Cont.)? IntegrationTech DataTech DataCompany ACompany BEmployeeEmployeeWeb ServicesWeb Computing Lab (FJU CSIE)Web Services Description Language? An XML vocabulary? Describes the interfaces for web services and how to invoke the services? Service Implementation– Implementation of one or more service interfaces– Contains the endpoint reference? Service Interface– Abstract, reusable service definition– Represents a type of service that can be implementedWeb Computing Lab (FJU CSIE)Web Services Description LanguageServiceImplementationDefinitionServiceInterfaceDefinitionServicePortBindingPortTypeTypeMessageAB1234Web Computing Lab (FJU CSIE)Web Services Description LanguageNotation Component UsageA Service 服務(wù)名稱(chēng)B Port 服務(wù)位置1 Binding 服務(wù)物件定義2 Port Type 服務(wù)集合定義3 Message 服務(wù) I/O結(jié)構(gòu)定義4 Type I/O型別定義Web Computing Lab (FJU CSIE)Web Services Description LanguageABWeb Computing Lab (FJU CSIE)Web Services Description Languagedefinitions name=“ChtSMSbinding” … … … … message name=“sendMessageRequest” part name=“calleePhoneStr” type=“xsd:string”/ part name=“messageStr” type=“xsd:string”/ /message message name=“sendMessageResponse” part name=“result” type=“xsd:string”/ /message portType name=“ChtSMS” operation anem=“sendMessage” parameterOrder=“calleePhoneStr messageStr” input message=“tns:sendMessageRequest” name=“sendMessageRequest”/ output message=“tns:sendMessageResponse” name=“sendMessageResponse”/ /operation /portType342Web Computing Lab (FJU CSIE)Web Services Description Language…binding name=“ChtSMSBinding” type=“tns:ChtSMS” … operation name=“sendMessage” soap:operation soapAction=“” style=“rpc”/ input name=“sendMessageRequest” soap:body encodingStyle=“ namespace=“ use=“encoded” / /input output name=“sendMessageResponse” soap:body encodingStyle=“ namespace=“ use=“encoded” / /output /operation …/binding …/definitions1Web Computing Lab (FJU CSIE)Simple Object Access Protocol? Defines a standard format for XML message exchanges– Styles167。 但競(jìng)爭(zhēng)優(yōu)勢(shì)何在 ?InterPresentationLayerJSPBusiness LogicgetPrice()getName()getTime()getMsg()DBApplication ServerHTTPhtml body /body/htmlHTMLBrowserWeb Computing Lab (FJU CSIE)Web Application是 .時(shí)代的技術(shù)支撐? Middleware技術(shù)成本 = 通信 + 資料 + 格式– EJB 的表現(xiàn) 被 JSP 所局限167。Web Computing Lab (FJU CSIE)TopicWeb Services ArchitectureandTechnical OverviewWeb Computing LabComputer Science Information Engineering DepartmentFu Jen Catholic UniversityWeb Computing Lab (FJU CSIE)Outline? Evolution of Inter Technology? Architecture? Overview of Web Services Technology? Conceptual Web Service Stack? If You Only Remember Three Things…? Integration? Web Services Description Language? Simple Object Access Protocol? Service Discovery? Universal Description Discovery and Integration ? Summary Web Computing Lab (FJU CSIE)標(biāo)準(zhǔn)化是網(wǎng)路技術(shù)演進(jìn)的主軸? SOAP over 是 Middleware 技術(shù)演進(jìn)之必然1978Inter… …ftpsmtpgopher1992Mosaic1994Netscape19892023Web Services1996Servlet1998EJB1999JSP.Com的黃金歲月Web Computing Lab (FJU CSIE)Web A
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