Web_Service概念和术语

《Web_Service概念和术语》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、WebService概念和术语一.WebService基本的概念XML(eXtensibleMarkupLanguage)XMLisusedtoorganizedocumentsandbusinessdata.XMLfilescanbestoredortransmittedbetweentwoapplicationsonanetwork.Basically,theyarejustplaintextdocumentsthatcontainspecialtagsthatlabeldifferentpartsof

2、adocumentorfieldsofdata.XML是一种由规范定义的元语言。XML标记语言定义了一套用来组织和描述文本的标记（tag）。标记通常成对出现，其中一个标记是开始标记，另一个标记是结束标记。位于这两个标记之间的所有内容均成为元素。SOAP(SimpleObjectAccessProtocol)SOAPdefinesastandardpackagingformatfortransmittingXMLdatabetweenapplicationsonanetwork.ASOAPmessageisj

3、ustanXMLdocument.SOAPisspeciallydesigned,however,tocontainandtransmitotherXMLdocumentsaswellasinformationrelatedtorouting,processing,security,transactions,andotherqualitiesofservice.SOAP消息是一种XML文档，它有其自己的XML模式、命名空间和处理规则。目前的版本是SOAP1.2。WSDL(WebServicesDescrip

4、tionLanguage)WSDLisastandardfordescribingthestructureoftheXMLdataexchangedbetweentwosystemsusingSOAP.WSDL是一个用于精确描述Web服务的文档格式，它用来指定客户与具体的Web服务通信时必须使用的确切的消息格式、Internet协议以及地址。目前的版本是WSDL2.0UDDI(UniversalDescription,Discovery,andIntegration)UDDIdefinesastandard

5、setofWebserviceoperations(methods)thatareusedtostoreandlookupinformationaboutotherWebserviceapplications.Inotherwords,UDDIdefinesastandardSOAP-basedinterfaceforaWebservicesregistry.YoucanuseaUDDIregistrytofindaparticulartypeofWebservice,ortofindoutaboutthe

6、Webserviceshostedbyaspecificorganization.AUDDIregistryisoftenreferredtoasa"YellowPages"forWebservices.TheUDDIspecificationisnowmaintainedbytheOrganizationfortheAdvancementofStructuredInformationStandards(OASIS)UDDI定义了一套标准的Web服务操作方法，用于存储、查找有关其他Web服务应用程序方面的信

7、息。WS-IBP(WebServicesInteroperabilityBasicProfile)WebServicesInteroperabilityOrganizationisanorganizationofWebservicesvendorsthatarecommittedtodefiningastandardforWebservicesinteroperability.ThefirstdeliverableoftheWS-IwastheBasicProfile1.0,第二个是WS-IBasicPro

8、file2.0二．WebServiceAdvanced概念WS-AddressingWS-AddressingspecificationistoprovidethemeanstoidentifyaWebserviceendpointandawaytousesuchidentifiersinSOAPmessagesforthedeliveryandexchangeofmessagesbetweenWebservic