面向对象系统分析与设计 ppt课件.ppt

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1、面向对象系统分析与设计Object-OrientedSystemsAnalysisandDesign河北农业大学信息科学与技术学院滕桂法教授主要内容1、系统分析与设计概论2、面向对象概念与术语3、面向对象分析与设计4、面向对象编程5、UML面向对象设计基础6、UML面向对象开发第一章系统分析与设计概论(SystemAnalysisandDesign)ChapterObjectives(Youshouldbeableto)1.Defineasystem,informationsystem,andautomatedinf

2、ormationsystem.2.Definethebasiccomponentsandthebasiccharacteristicsofanautomatedinformationsystem.3.Definesystemanalysisanddesignanddiscusswhyitisadifficulthumanendeavor.4.Describetheskillsandactivitiesofasystemanalyst.系统分析与设计概论(SystemAnalysisandDesign)5.Descri

3、beageneralmodeloftheanalysis,design,andimplementationprocess.6.Discusssystemsanalysisanddesignasacareer.7.Discusswhatasystemanalystdoes.8.Discusssystemsanalysisanddesignprojectsandwheretheycomefrom.9.Discusstheneedforcreatinginformationsystemsrequirementsspecif

4、ications.系统分析与设计概论(SystemAnalysisandDesign)10.Defineanddescribetheinformationsystemslifecycle.11.Defineanddescribetheinformationsystemdevelopmentlifecycle.12.Discusstheprinciplesusedtoguidesystemanalysisanddesign.系统分析与设计概论(SystemAnalysisandDesign)DevelopmentPro

5、cess◆Systemsplanning◆Systemsanalysis◆Systemdesign◆Systemsimplementation◆Systemsevolution系统分析与设计概论(SystemAnalysisandDesign)2.ConceptofSystemAnalysisandDesign◆Whatisasystem?Asystemisasetofinterrelatedcomponents,workingtogetherforacommonpurpose.Therearetwotypesofs

6、ystems:naturalandfabricated.系统分析与设计概论(SystemAnalysisandDesign)SystemModelwithSixComponents:systemboundarycontrolsprocessinginputsfeedbackoutputs系统分析与设计概论(SystemAnalysisandDesign)◆Whatisaninformationsystem?Aninformationsystemisatypeoffabricatedsystemthatisusedby

7、oneormorepersonstohelpaccomplishataskorassignment.系统分析与设计概论(SystemAnalysisandDesign)◆Whatisaninformationsystem?datapeopleprocedures系统分析与设计概论(SystemAnalysisandDesign)◆Whatisanautomatedinformationsystem?Aautomatedinformationsystemisaninformationsystemthatincorpor

8、atestheuseofcomputerhardwareandsoftwareaspartofthesystem.系统分析与设计概论(SystemAnalysisandDesign)◆Whatisanautomatedinformationsystem?datapeoplesoftwareprocedureshardware系统分析与设计概论(