软件工程分析文档.docx

软件工程分析文档.docx

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软件工程分析文档

1.Functionmodeling

1）Firstscenariooftheborrowusecase

Aborrowerhandsabookandcardtolibrarian.

1.ThelibrarianinputBinthecomputer,thenscanthebarcodesonthebookandthecard.

2.Thesystemtellusthatthisbookhasn’tkeptbyanotherborrow.

3.Thesystemupdatetherelevantbookdata.

Thelibrariansignthebookthenhandbookandcardtotheborrower.

2）Secondscenariooftheborrowusecase

Aborrowerhandsabookandcardtolibrarian.

1.ThelibrarianinputBinthecomputer,thenscanthebarcodesonthebookandthecard.

2.Thesystemtellusthatthisbookhasbeenkeptbyanotherborrower.

Librariancan’tlendthisbooktotheborrower,Thelibrarianreturnthecardtoborrower.

3）Thirdscenariooftheborrowusecase

Aborrowerhandsabookandcardtolibrarian.

1.ThelibrarianinputBinthecomputer,thenscanthebarcodesonthebookandthecard.

2.Thesystemtellusthatthisbookhasbeenkeptbythisborrower.

3.Thesystemclearthekept,updatetherelevantbookdata.

Thelibrarianstampsthebookthenreturnthebookandthecardtotheborrower.

4）Firstscenarioofthereturnusecase

Aborrowerhandsabooktothelibrarian.Thebookisnotkeptbyanotherborrower.

1.ThelibrarianinputRtothecomputer.Thenscansthebarcodeonthebook.

2.Thesystemupdatetherelevantbookdata.

Thelibrariansetthebookonthe‘returnbookstack’.

5）Secondscenarioofthereturnusecase

Aborrowerhandsabooktothelibrarian.Thebookiskeptbyanotherborrower.

1.ThelibrarianinputRtothecomputer.Thenscansthebarcodeonthebook.

2.Thesystemupdatetherelevantbookdata.

Librarianplacethebookonthespecialstacks.

5）Firstscenarioofthekeepusecase

Aborrowerhandsthelibrarianaformbearingthenumberofabook,togetherwithhiscard.

1.ThelibrarianinputKtothecomputer.Thentypeinthebooknumberandscanthebarcodeonthecard.

Thisbookisalreadykeptbyanotherborrower.

2.Thesystemtellusthismessage.

Librariantellthistotheborrower,returnthecard,andrefuselendingthebooktotheborrower.

6）Secondscenarioofthekeepusecase

Aborrowerhandsthelibrarianaformbearingthenumberofabook,togetherwithhiscard.

1.ThelibrarianinputKtothecomputer.Thentypeinthebooknumberandscanthebarcodeonthecard.

Thisbookisnotkeptbyanotherborrower.

2.Thesystemupdatetherelevantbookdata.

Thelibrarianreturnsthecardtotheborrower,andsetasidetheformforrecycling.

7）FirstscenariooftheLongestkeepingtimeusecase

Thekeepingtimeisnotlongerthanthelongestkeepingtime

1.Thesystemshowthat‘anythingisok’

8）SecondscenariooftheLongestkeepingtimeusecase

Thekeepingtimeislongerthanthelongestkeepingtime

1.Thesystemtellusthismessage,andsignthebookandthecardnumber.

2.Librarianphonetheborrowertellborrowerreturnthebook

9）Firstscenarioofthebookinformationusecase

1.AborrowerinputA=followedbyanauthor’sname.

2.Thesystemdisplaytherequestedinformation.

10）Secondscenarioofthebookinformationusecase

1.AborrowerinputT=followedbythetitleofabook

2.Thesystemdisplaytherequestedinformation.

11）Thirdscenarioofthebookinformationusecase

1.AborrowerinputS=followedbythesubjectarea

2.Thesystemdisplaytherequestedinformation.

12）FirstscenarioofModifusecase

1.Alibrarianinput+tocomputer,thenscansthebarcodeonanewbook.

2.Thesysteminserttherelevantbookdata.

Thelibrariansetthebookasidetobeplacedinthebookstacks.

13）SecondscenarioofModifusecase

1.Alibrarianinput-tocomputer,thenscansthebarcodeonabook.

2.Thesystemdeletetherelevantbookdata.

Thelibrariansetsthebookasidetobepulped.

2．Entityclassmodeling

UsingNounExtractiontechnology

Description:

Anautomatedlibrarycirculationsystemistobeconstructed.Eachbookinthelibrary.Aswellaseachborrower,canbeidentifiedbyabarcode.Abookcanbeborrowed.Provideditisnotbeingkeptbyanotherborrower,atmostoneborrowercanhaveakeeponabookborrowedbyanotherborrower.Aborrowerborrowabookitwillhasalongestkeepingtime,ifkeepingtimeislongerthanthelongestkeepingtime,systemwillshowthismessage.Whenabookisreturned,alibrarianchecksitin.Borrowersandlibrariansarepermittedtoqueryabookinformationcatalogoflibraryholdings.

Identifythenouns:

Anautomatedlibrarycirculationsystemistobeconstructed.Eachbookinthelibrary.Aswellaseachborrower,canbeidentifiedbyabarcode.Abookcanbeborrowed.Provideditisnotbeingkeptbyanotherborrower,atmostoneborrowercanhaveakeeponabookborrowedbyanotherborrower.Aborrowerborrowabookitwillhasalongestkeepingtime,ifkeepingtimeislongerthanthelongestkeepingtime,systemwillshowthismessage.Whenabookisreturned,alibrarianchecksitin.Borrowersandlibrariansarepermittedtoqueryabookinformationcatalogoflibraryholdings.

Withregardtothenounsinthepreviousparagraph,borrowerandlibrarianareactors,andbarcodeisanattributeofabookandofaborrower.Accordingly,thesenounscannotcorrespondtoclasses,Inaddition,Library,keep,keeping,longestkeepingtimeandsystemareabstractnouns.Finally,bookinformationcatalogisinformationthatrelatestobooks.ThisleavesBookClassasthesolecandidateclass.

CLASSDIAGRAM

3．DynamicModeling

Statediagram

Iteractivediagram

1）Usecaseborrowbook

2）UseCaseReturnBook

3）UseCaseKeepBook

4）UseCaseLongestKeepingTime

5）UseCaseBookInformation

6）UseCaseModif