基于J2EE體系結(jié)構(gòu)的研究及應(yīng)用.pdf

1、武漢科技大學(xué)碩士學(xué)位論文基于J2EE體系結(jié)構(gòu)的研究及應(yīng)用姓名：姚俊申請學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：程耕國20040223查!墮苧苧蘭塑!：蘭絲竺蘭AbstractSoftwareintegrationisanimportanttechniqueinexecutionsoftwarereuseItcanprovideawayfordevelopingsoftwarerapidlyByusingthetechniqueofs

2、oftwarereuseandintergration，thecostandtimespendingduringdevelopingcansavingBesides，thequalityofsoftwarecanbeimprovedbyusingthiswayTheconceptsofWeb—basedandN—tiersoftwaresystemdesignmodelbecomingmoreandmorepopularJava2Pla

3、tform，EnterpriseEdition(J2EE)isaplatformdevelopedbySunMicrosystem，IncforimplementingthesegoalsAndEnterpriseJavaBean(FAB)isaspecificationinitiativeled，drivenandbasedontheserversidebySUNMicrosystems，Inctoachievingthesegoal

4、s，SoftwareapplicationdevelopmentofcorporationhastransferredfromtraditionalClient／ServerparadigmtoWEB_basedandN_tierenvironmentJava2Platform，EnterpriseEdition(J2EE)defineasetoftheoverallspecificationsfordevelopingapplicat

5、ionarchitectureandprovideadeployinggroupwarescircumstance。Inthisarchitecture，thedeveloperscanfocusspecificallyontheencapsulationofthebusinesslogicandcommerceregulationAndsystem_leverservices，suchas：distributedtransaction

6、，securitylifecycle，threading，persistence，etcareautomaticallymanagedforthecomponentbytheapplicationcontainerandserverEnterpriseJavaBeanarchitectureisthebasisandthecoreofJava2Platform，EnterpriseEidtion02EE)EnterpriseJavaBe

7、an(EJB)isaspecificationfordefiningtheEJBcomponentarchitecture，whichisdistributedserver_sidecomponentsarchitecturefordevelopmentanddeploymentTheEJBarchitectureisinherentlytrasaction，portabilitymultitierandscalabilityandse

8、cureAEnterpriseJavaBeanstypicallyencapsulatesabusinesspricesorbusinessentitymakingitindependentofthepresentationlogicintheapplicationsystemEIBtechnologyisplatformindependenceTheEJB，whichisdevelopedonlyonebytheuserisnotre

9、writtenormodifiedthecodeandFUnSmultyplatformEnterpriseJavaBeansisArchitecture_independenceArchitecturedecisionaremadeatdeployment，notatdevelopmentTherebytheEJBtechnologyarebroadadaptabilityandprotectforITinvestmentThispa

10、permainlystudythespecification，architecture，componentofEnterpriseJavaBeantechnologyandJava2Platform，EnterpriseEdition(J2EE)forsimplifyingdevelopmentapplicationThepapernextdiscusstherelationshipbetweenEJBandJ2EE；XMLandJav

11、aBeanTheexampleilluminatethatEJBcomponentswhichbasedonserver_side，supportdevelopmentandmaintenanceofenterpriseapplicationwithinteroperabilityportabilityscalabilityKeywords：EnterpriseJavagean(EJB)：SessionBean：EntityBean：J