武漢理工軟件工程課件.ppt

《武漢理工軟件工程課件.ppt》由會(huì)員分享，可在線(xiàn)閱讀，更多相關(guān)《武漢理工軟件工程課件.ppt（23頁(yè)珍藏版）》請(qǐng)?jiān)谘b配圖網(wǎng)上搜索。

Whatissoftware?,Computerprogramsandassociateddocumentationandconfigurationdata.Softwareproductsmaybedevelopedforaparticularcustomerormaybedevelopedforageneralmarket.SoftwareproductsmaybeGeneric-developedtobesoldtoarangeofdifferentcustomers.eg.databases,wordprocessor,drawingpackagesandprojectmanagementtools,Whatissoftware?,Bespoke(custom)-developedforasinglecustomeraccordingtotheirspecification.eg.controlsystemsforelectronicdevices,systemswrittentosupportaparticularbusinessandairtrafficcontrolsystems.Thedifferencebetweenthesesoftware:1.Genericproducts–theorganizationwhichdevelopsthesoftwarecontrolsthesoftwarespecification.2.Customproducts-thespecificationisusuallydevelopedandcontrolledbytheorganizationthatisbuyingthesoftware.,Whatissoftwareengineering?,Softwareengineeringisanengineeringdisciplinewhichisconcernedwithallaspectsofsoftwareproduction.Softwareengineersshouldadoptasystematicandorganisedapproachtotheirworkanduseappropriatetoolsandtechniquesdependingontheproblemtobesolved,thedevelopmentconstraintsandtheresourcesavailable.,SoftwareEngineering,ThepurposeandsignificanceofSETheChallengesandOpportunitiesoftheGlobalSoftwareIndustry.TalentBeyondTechnology_WhatKindofTalentWeNeedforModernSoftwareDevelopmentErroneousinpointofSoftwareDevelopment,MainSections,ClassicMethodologyofSoftwareEngineeringModelingApproachesofObject-OrientedSoftwareProjectManagement&CMMSoftwareReuse&ComponentEngineering,referencebook,R.S.Pressman.SoftwareEngineering:APractitionersApproach,6/e許家珆主編,軟件工程—方法與實(shí)踐,高等教育出版社,Chapter1GenericViewofSE,1.1TheemergenceanddevelopmentofSE4ImportantStages:1.ClassicSE2.ObjectEngineering3.ProcessEngineering4.ComponentEngineering,1.2ProcessandLifeCycleofSE,Softwareengineeringprocess,Whatisasoftwareprocess?,Asetofactivitieswhosegoalisthedevelopmentorevolutionofsoftware.Genericactivitiesinallsoftwareprocessesare:1.1.Specification-whatthesystemshoulddoanditsdevelopmentconstraints.2.Development-productionofthesoftwaresystem.Validation-checkingthatthesoftwareiswhatthecustomerwants.3.Evolution-changingthesoftwareinresponsetochangingdemands.,ALayeredTechnology,,SoftwareEngineering,,,,,a“quality”focus,processmodel,methods,tools,AProcessFramework,ProcessframeworkFrameworkactivitiesworktasksworkproductsmilestones&deliverablesQAcheckpointsUmbrellaActivities,FrameworkActivities,CommunicationPlanningModelingAnalysisofrequirementsDesignConstructionCodegenerationTestingDeployment,UmbrellaActivities,SoftwareprojectmanagementFormaltechnicalreviewsSoftwarequalityassuranceSoftwareconfigurationmanagementWorkproductpreparationandproductionReusabilitymanagementMeasurementRiskmanagement,1.3PrescriptiveProcessModels,PrescriptiveprocessmodelsadvocateanorderlyapproachtosoftwareengineeringThatleadstoafewquestions…Ifprescriptiveprocessmodelsstriveforstructureandorder,aretheyinappropriateforasoftwareworldthatthrivesonchange?Yet,ifwerejecttraditionalprocessmodels(andtheordertheyimply)andreplacethemwithsomethinglessstructured,dowemakeitimpossibletoachievecoordinationandcoherenceinsoftwarework?,TheWaterfallModel,TheIncrementalModel,TheRADModel,EvolutionaryModels:Prototyping,,EvolutionaryModels:TheSpiral,,EvolutionaryModels:Concurrent,,StillOtherProcessModels,Componentbaseddevelopment—theprocesstoapplywhenreuseisadevelopmentobjectiveFormalmethods—emphasizesthemathematicalspecificationofrequirementsAOSD—providesaprocessandmethodologicalapproachfordefining,specifying,designing,andconstructingaspectsUnifiedProcess—a“use-casedriven,architecture-centric,iterativeandincremental”softwareprocesscloselyalignedwiththeUnifiedModelingLanguage(UML),TheUnifiedProcess(UP),,UPPhases,,