外文翻译-基于高校图书馆网络管理系统的建模研究

0外文原文BasedonWebuniversitylibrarymanagementsystemsmodelingresearchyuchun.wu,xiaojian.long,xiujun.ouyangschoolofElectronicandInformationEngineering,JinggangshanUniversityJian,Jiangxi,China343009,AbstractInviewofuniversitymulti-schooldistrictcoexistingandmanylibrariesdistributedinthedifferentschooldistrict,systemhardwarecostishigh,theloadofsystemmaintenanceisbig,theextendibilityofsystemisbad,sowedeveloplibrarymanagementsystemsmodelingresearchbasedontheWeb.Inthemodelingprocess,weusetheUMLstandardmodelingtechnologytoconstructsystemsstructureandmaketheexpansiontotheUMLobjectsclassapplication.ThroughtheUMLmodelusedtomaptherelationaldatabasemodel,twokindofmodelsdifferencecanberealizedsmoothtransition,andtherelationaldatabasemodelingwiththeUMLtechnologyhasbeenrealized,speciallythroughusingclassandtheclassinstantiationobjecttotherelationaldatabasesmodeling,thedatabaseintegrityandtheuniformityhavebeenenhancedgreatly,thedataredundancydegreehasbeenreduced,softwaresmultiplyingfunctionhasbeenincreased,theworkloadofthesoftwaredevelopmenthasbeenreduced,andcoordinationbetweensoftwaredevelopershavebeenpromoted.Keywords-Web;LibraryManagementSystem;UMLI.INTRODUCTIONAlongwithInternetshighspeeddevelopmentandWebtechnologydaybydaymature,theB/Sstructurehasbecomethecurrentsoftwaredevelopmentpatternmainstream.ManyuniversitysmanagementsoftwarereformbythetraditionalC/SstructuretheB/Sstructure.Whereveryouare,youmayusethefunctioninthecorrespondingjurisdictionbytheinternet,itbringsverybigconvenientforteachersworkandstudentsstudy,forexample:On-linechoosingcourse,onlinediscussing,scoreinputting,scoreinquiryandsoon.Astheuniversityinformationresourceimportantcomponentslibrary,itsinformation1managementsoftwaremustcaterthecurrenttrend.NowinformationmanagementsoftwareofmanyuniversitylibrariesusesC/SandtheB/Smixpattern,designingsystemsbasicfunctionwiththeC/Spattern,designingtheretrievalwebsitetoprovideon-lineretrieval,on-lineappointment,thebookinformationissueandsoonwiththeB/Spattern.TheC/SandB/Smixpatterncanbeabletosatisfytheuniversitycurrentmanagementrequest,butmulti-schooldistrictcoexistingisthequestionwhichthepresentmanyuniversitiesexist,manylibrariesdistributeinthedifferentschooldistrict,suchsystemhardwarecostishigh,themaintenanceworkloadisbig,systemextendibilityisbad.Noweachuniversityismarchingtowardthedigitizedcampussgoal,translatingtheC/SpatternofthelibrarymanagementsystemtotheWebpattern,willbeprovidesaplatformforthefutureDigitallibrary.ThepaperexpoundlibrarymanagementsystemsmodelingdesignbasedontheWeb.Thelibrarymanagementsystemsdatabasedesignisquiteimportant,itinvolvestosystemsefficiency,affectstooverallsystemsquality.Thedatabasemodelingisthecoreandfoundationofestablishingthedatabaseandapplicationsystem,regardingtheapplicationenvironmentwhichassigns,itrequeststhatitcanconstructthesuperiordatabasepattern,establishthedatabaseapplicationsystemandenablethesystemeffectivelythestoreddatumtosatisfytheusereachkindofapplicationdemand.systemisasetofmanagementsoftwarebasedonauniversitylibrarydemanddevelopment,mainlyincludingthefollowingseveralstages:Thedemandanalysis,theservicemodelingstage,thelogicalmodelingstageandphysicsrealizingthestage,thelogicalmodelingstageismostimportant.II.SYSTEMARCHITECTURETheselectionofsoftwarearchitectureisofvitalimportancetoentireprojectimplementation.ThissystemusesthreelogicarchitectureonWeb,itisthecurrentmostpopularmodel,asshowninFigure1.SystemarchitecturediagramTheuserexpressionlayerismainlyreferstotheapplicationprocedureinterfaceonweb,itisthemovementontheclientsidebrowser,whichisfamiliarwiththehomepage,itmainlycompletestoinputthemessagedatatheandshowtheprocessingresult;Theservicelogicallayerprovidesthesystemlogicfunctiontotransfer,namelymiddleware;Thedataaccessinglayerrealizeswith2thedatabasecorrespondence,andwillfeedbacktheservicelogiclevelfinally,theservicelogiclayerandthedataaccessinglayerislocatedattheWebserver;Thedatabaseserverusesfortostorethepermanentdata.Usesthiskindofstructurethemerittoliein:Thefunctionisclear,independent,isadvantageousintheprojectparalleldevelopment;Theuserinterfaceisfriendly,simplicityofoperator;Exemptstheclientsideinstallment,onlyneedsthebrowsertobepossibletovisitthesoftwaresystemthroughtheInternet,thehardwarecostislow,thesoftwareandhardwaremaintenancequantitymayreducegreatly.Thedemandanalysisistheimportantonestepofsoftwaredesign,isfoundationwhichtheentiresoftwaresuccessrealizes,theentiresoftwaresimplementationistheestablishmentindemandanalysiseachfunction.Basedontheuniversitylibrarysservicedemand,theflowstatediagramoflibraryofficeworkingisgiven,asshowninFigure2,andweobtainmajorfunctionmoduleofthelibrarymanagementsystem:Theinterviewcatalogmanagement,thebookreservationmanagement,theperiodicalmanagement,thereadingroommanagement,thecirculationmanagement,thereadermanagement,theliteraturesearchandthesystemconfigure.FlowchartofUniversityLibraryHandlingoftrafficaspect:Firstisthesystemadministrationpersonnellandsthebackstagemanagementsystemmanagementsystem,thencarriesonthesystemmaintenance,theverificationunitinformation,operationsandsoonmonthlyreportdata.Thelibrarymanagementdepartmentmayvisitinthedatabasethroughtheclientsidebrowsertheinformationandcancarryoneachkindofdatastatisticalanalysis,inordertohaveacomprehensiveunderstandingmacroscopically.Theteachersandstudentsusermayvisitownliteraturematerialinformation,thebrowsingthroughthecustomerbrowsertoretrieveoneselfneedtheinformationandsoon.III.UMLSYSTEMMODELINGAlongwiththedatabasescalesexpansion,thesimpleERmodelstructureisunableclearlytoanalyseanddescriptthequestion,causesthesystemdevelopmentdifficultycoefficienttoincrease.Thedatabasedesignholdstheimportantpositioninthesoftwaredevelopment,itimmediateinfluenceentiresoftwaresystemsdataaccessspeed,butthedatabasemodelingisalsothemostimportant.ButusingtheanalysismethodonUMLtodesigndatabasemodel,cancausethedatabasemodelcleareasytounderstand,canreflectthe3systemstructureclearly,easytodevelop,reducethesystemdevelopmentcycle,enhancethesystemdevelopmenttheefficiency.WeUseUMLtocarryonthesystemmodeling,whichusestheobject-orientedmethodtoanalyzethesystem,usesthestandardvisualizationsmodeltodisplaythevisualinformation,soweestablishtheobject-orientedsystemmodel.Below,weusetheUMLviewmodeltocarryontheanalysisandthedesignaboutthesystemdevelopment.A.DemandcapturemodelingThedemandcaptureisthegreatimportancestageinthesoftwaredevelopmentprocess,itimmediatelyinfluencetotheusertothefinalsoftwareproductsdegreeofsatisfaction,establishingtheexampleviewismostimportantinthisstage.Theroleisapersoninteractingwiththesystem,whichmainlyincludetwokindofparticipantsinthelibrarymanagementsystem:Readerandlibrarystaff.Thereaderwhichdividedintothebooksborrowerandthetraveler(referstovisitsystemspersonnelthroughtheInternet),maycarryontheretrievaltoliteraturematerialofthislibrary.Thestaffmaydivideintothesystemmanagerandtheordinarymanager.Usecaseistheinteractionbetweenthesystemanduser,isfunctionblockwhichthesystemprovides.Inthefrontoveralldemandanalysissfoundation,wemayobtainmainusecaseofthesystem,forexample:systemloginusecaseCompletetheusertoregisterthesystemandvalidatingauthentication；systemmanagementusecaseDatamaintenance,systemconfigure,jurisdictionestablishmentandsoon；interviewcatalogmanagementusecaseCompletethebooksreservation,theapprovalwarehousing,thenewbooklooksupthere-recordingtoenter,thecardprintingandsoon；reservationmanagementusecaseCompletethebooksthecollectionassignment,therevisionandpicksoutold；circulationmanagementusecaseProvideborrowingandreturningmanages,thecirculationdatainquiryandthestatistics,urgesreturningbook,theappointmentmanagement；periodicalmanagementusecaseProvidetheperiodicaltheorder,toascendto,urgestolack,tobindwiththepublicationmanagement.；reading-roommanagementusecaseRealizesthereadingroomreaderlogin,borrowing,therestorefunctionandtheborrowinginformationstatistics；literaturesearchusecasehereadermayvisitthelibraryWebserverthroughthe4Internet,realizetheliteraturesearch,theborrowinginformationinquiry,thebooksappointmentandsoon.Theaboveusecasesaretheonlymacroscopicdescriptionaboutsystemsmajorfunction,nextstepcarriesonrefinetheaboveusecaseandobtainusecasemodelindetail.Becausethelengthislimited,belowonlygivesthecirculationmanagementwiththeexamplemodel,asshowninFigure3.Fromthismodel,wemayunderstandthesystemprovidesthedetailedfunctionandthebehavior,maketheusersneedsmorepreciseandcompletely.Figure3.CirculationManagementUseCaseModelB.DemandanalysismodelingThedemandanalysisstagepurifiesthecapturedemand,throughclassdiagram,activitydiagram,sequencediagramandsoonmodel,wecandescribethedetailquestionwhichextractsanalysisclassfromeachusecase,anddescribesrealizationofusecasecorrespondinganalysisclass.Theanalysisclassrepresentsinthequestionterritorysimpleanddirectabstract,mapstherealworldbythedefiniteway,likebooksinformation,borrowingbooksoperation,borrowingbooksinterface.Theanalysisclasscorrespondsonekindin3fundamentalconstruction:Boundaryclass,controlclass,entityclass.Theboundaryclassusesinestablishingtheinteractivemodebetweenthesystemandtheparticipant,likeborrowingbooksinterfaceclass;Theentityclassusestothelastinginformationmodeling,likebooksinformationclass,readerinformationclass;Thecontrolclassusesinbeingcoordinated,sorting,businessprocessingandtootherobjectcontrol,likeborrowingbooksoperation,butalsobookoperation.Weextractanalysisclassfromdetailusecaseobtainedindemandcapturestage,andobtainsthecorrespondingboundary,thecontrolandtheentityclass,andestablishestheanatomicmodel,includingclassdiagram,interactiondiagram.AsshowninFigure4,itistheretuningbookanalysisclassdiagram,Classdiagraminthebookalsogivesroughentityclassandboundaryclassinvolvedintheoperationofreturningbook.Thedesignmodelingstageprimarymissionis:Atfirst,wemaycarriesonthedetailedmodelingabouttheanalysisclassobtainedfromthepreviousstage,mainlyobtainsconcretefunctionoftheboundaryclassandtheoperationclass,theentityclassattributeandthemethodaswellasrelationsbetweeneachclass;Secondly,theinteractivediagram5whichobtainedfromtheanalysisstagecarriedonthesupplement,mainlydescribesrealizationprocessofusecaseinthesoftwaresystemwiththesequencediagramharmoniouscooperationmapping.Now,wegivetheentityclassdiagramaboutthecirculationmanagement.FromFigure5,wemayunderstandtheattributemethodabouteachentityclassandtherelationsinwhichveryintuitively.Figure5.RelationshipmodelofentityclassD.DatabasemodelingThedatabasedesignistheprocessdatabasedesignmethodwhichthedatabasesystematicandtherealworld,thecoordinationunifiesclosely,organicallyaremany,whatthissystemusesistheobject-orientedrelationaldatabasedesignmethod,itbelongstotheentityleadershipdesign,thedesignstagewillobtaintheentityclassmodelaccordingtotherelatedtranslationrule,itstransformationdoublingshouldthedatabasetable.IV.UMLCLASSMAPPINGWITHTHERELATIONALDATABASEANDREALIZATIONTheUMLobjectmodelisbasedonsoftwareengineeringsomeprinciples,forexamplecoupling,aggregationandencapsulation,buttherelationmodelbasedonmathematicsprinciple,speciallysettheoryprinciple.TocombinefullyUMLclassdiagramstoolswithrelationaldatasadvantages,themappingaboutrelationaldatabaseandclass,objectmustbecreated.Classisthecoreofobject-orientedSystemorganizationstructure,expressesdiscreteconceptaboutthemodelingsystem.Classhascontainedthestaticattributeandthebehaviorattribute,buttherelationaldatabasesystemhasmainlycontainedthetwo-dimensionaltableanditsrelatedoperation.Althoughclassandrelationalmodelarefromdifferentmathematicalmodel,butthereisverystronginnerlinkamongthemselves.ThroughanalysinguniversitylibrarymanagementsystemmanagementsystemsbasedontheWeb,itdiscussmappingplanaboutUMLclassmodelandtherelationaldatamodel.Atthesametime,inviewofinnerlinkandthecharacteristicbetweenclassmodelandtherelationaldatamodel.Therearethreekindofsituationsaboutthetableandtheoperatingproceduremappingsclassinthelibrarymanagementsystem:thefirstisattributemappingofcalss,thesecondismethodmappingofclass,thelastisconnectionmappingofclass.6A.ClasspropertymappingClassstaticattributeismappedtothefieldofrelationaldatabasetable.Attributedescribecommoncharacteristicsofallobjectsinthesameclass,mappedtodatabasetablefields,thereisatleastoneprimarykeyattributeinthemapping,whichisusedtobethestorageobjectidentifierandbetheuniqueidentifierastheprimarykeyobject.Notallofthepropertiesabouttheclassarepermanent,notapermanentattributeofclassdoesnotrequiremapping,suchasthenumberofattributesforeachbookcanbecalculated,sononeedtosaveinthedatatable,whiletheattributesoftheclassisensuredtobeasinglevalue,iftherearemultiplevaluesintheclassattribute,puttheattributemappedintomultiplefields.Thestaticattributetypeofclassismappedtoarelationaldatabasefieldtype.Attributetypecanbeinteger,real,charandothertypesofmapping.whenmapping,onlytheneedtodefineappropriatedatatypesandspace,theuseofthedomainnotonlyimprovethedatabasedesignconsistencybutalsooptimizetheapplicationportability.Classismappedforthetable.Exceptverysimpleapplications,ingeneral,theclassandthecorrespondingtablearenotonetoonerelationships,weoftenneedtomaptheclassusedtostoredatatothedatabasetable,objectofclassismappedtoeachdatabaserecordindatabasetable.Figure6showthatthebookbasisinformationtable(ISBN,title,author,publicationdate,price)mappedtostaticclassofinformationforthebook.B.MappingofclassmethodClasscontainthemethodpropertyexceptforstaticpropertyInUMLmodelingtool.Thestaticpropertiescanbemappedtoarelationaldatabasetablestructure,onlystaticproperties,itcannotbeachievedonthedatabasetableinsert,update,append,operationalcontroltoretrieverecords,themethodsmustmakeclassattributesandoperationcontrolofthedatabasemap,perfectinfunctionoftheaccesscontroldatabasetable.DatabasedataaccesscontrolismainlyachievedthroughtheSQLstatement,theSQLstatementintheDDLstatementsandDMLstatementsintheSelect,Update,Insert,Create,DeletefunctionstatementismappedtoUMLclassmethodsproperties,attributesandclassmethodsinordertoachieverelationshipbetweentheoperationofthedatabaseaccessfunction7mapping.StudentsbasicinformationtableandmappingmethodofdataoperationshowninFigure7.C.ClassassociationmappingInarelationaldatabase,theassociationofclassisimplementedthroughtheassociationforeignkey,foreignkeyallowsarowinthetableassociatedwithotherrowsinthetable.Hereinthreecircumstances:Onetoonerelationship.Iftheassociationisoneoption,theotherismandatory,foreignkeycanbeplacedintheoptionalside,theforeignkeycannotbenull;dependontheparticularcircumstancestootheronetoonesituation,theforeignkeymaybeplacedinanyside.；OnetoManyassociation.Theforeignkeyisplacedinthemanyside.Onesideisoptionalormandatory,whichdecidethattheforeignkeycanbeemptyornotempty.；Manytomanyassociation.toachievemanytomanyassociationthroughtheestablishmentofanassociatedtablewiththerelationship,itestablishedlinksrelationacrossthetable.Theprimarykeyofassociationtablecanbeusedbothendsofthetablesprimarykeycombination,oruseitsownprimarykey,andthenprimarykeyofbothendsofthetablesisusedtobeforeignkeyofthistable,thatis,tomanytomanyrelationshipintotwoonetomanyrelations,showninFigure8.V.CONCLUSIONThroughUMLmodelusedtomaptotherelationaldatabasemodel,thedifferencesbetweenthetwomodelsaresmooth,UMLmodelingtechnologyforrelationaldatabasehasbeenachieved,particularlythemodelingtechnologythroughtheclassanditsinstanceoftheobjectmodeloftherelationaldatabase,cangreatlyimprovethedatabasetheintegrityandconsistency,reducethelevelofdataredundancy,increasereuseofsoftwarefunctions,andreducetheworkloadofsoftwaredevelopment,andpromotethecoordinationbetweensoftwaredevelopers.REFERENCES1Leichao-yang,ZhongYi-qing,ZhouXun-bin.DatabaseModelingBasedOnUMLJ.ComputerApplications.2008,27(9),33-36,29.2J.E.GREEN.OverviewofFilamentWindingJ.SAMPEJournal,2001,37(1):7l1.3XueYongning.ReseachonDatabaseModelingBasedOnUMLJ.Computer&8Telecommunication.2008,6:88-90.4YUANCan;CUIXiao-yan.SpatialdatabasemodelingmethodstudybasedonremoteindustrialcommunicationJ.ApplicationResearchofComputers,2008,28(11):35-39.5XUGuang-xiuLIUChuan-yongLIBing-l.ModelingandDesigningofDatabaseinDevelopingofDBMSJ.HydrographicSurveyingandCharting,2003,23(3):30-42,53.9中文翻译基于高校图书馆网络管理系统的建模研究摘要针对大学multi-school区共存和许多图书馆都分布在不同的校区,系统硬件成本高,系统维护的成本大,系统的可扩展性不好,所以我们进行基于网络的图书馆管理系统建模研究。在建模过程中,我们使用标准的UML建模技术构建系统的结构,使扩展到UML对象的类的应用程序。通过使用UML模型映射关系数据库模型,两种模型的区别可以实现平稳过渡,和关系数据库建模的UML技术已经实现,特别通过使用类和类实例化对象到关系数据库的建模、数据库完整性和一致性会大大增强,数据冗余度有所降低,但软件功能增加,软件开发的工作量减少,提升和软件开发人员之间的合作。关键词：Web;图书馆管理系统;UML随着互联网的高速发展和网络技术日益成熟,B/S结构已成为当前软件开发的主流模式。许多大学的管理软件改革传统的C/S结构的B/S结构。无论你在哪里,你可以通过网络使用该功能获得相应的权限,它带来非常大的方便为教师的工作和学生学习,例如:在线选择课程、在线讨论、分数输入,分数查询等等。大学信息资源重要组成部分的图书馆,其信息管理软件必须满足当前的趋势。现在许多大学图书馆的信息管理软件采用C/S和B/S混合模式,设计系统的基本功能与C/S模式,设计检索网站提供联机检索、在线预约、图书信息问题等与B/S模式。C/S和B/S混合模式可以能够满足大学目前的管理要求,但multi-school区共存的问题是目前许多大学存在,许多图书馆都分布在不同的校区,这样的系统硬件成本高,维护工作量大,系统可扩展性不好。现在每个大学都在向数字化校园的目标迈进,图书馆管理系统的C/S模式的网络模式,为未来数字图书馆提供了一个平台。本文阐述图书馆管理系统的建模设计基于Web的。图书馆管理系统的数据库设计是非常重要的,它涉及到系统的效率,影响整个系统的质量。数据库建模是建立数据库及其应用系统的核心和基础,关于分配的应用程序环境,它请求可以构造良好的数据库模式,建立数据库应用系统,并使系统有效地存储数据,满足用户的各种应用需求。系统基于高校图书馆管理软件开发的需求,主要包括以下几个阶段:需求分析、服务建模阶段,逻辑建模阶段和物理实现阶段,逻辑建模阶段是最重要的。系统架构：软件体系结构的选择对整个项目实现是至关重要的。这个系统使用三个逻辑架构,它是网络上目前最流行的模型。系统架构图用户表现层主要指的是网络上的应用程序接口,它是运动在客户端浏览器,它主要完成输入消息数据和显示处理结果;服务逻辑层提供了系统逻辑功能转移,即中间件;数据访问层实现与数据库通信,服务逻辑层和数据访问层位于web服务器,数据库服务器用于存储永久数据。使用这种结构的优点在于:清晰,功能独立,有利于项目并行开发,用户界面友好,操作简单;免除客户端安装,只需要在浏览器可以通过互联网访问软件系统,硬件成本低,软件和硬件维护的数量可能会减少。需求分析是软件设计的重要一步,是整个软件的成功实现的基础,整个软件的实现是建立在每个功能需求分析。根据高校图书馆的服务需求,图书馆办公室工作的流动状态图,我们获得图书馆管理系统的主要功能模块:目录管理、图书预订管理、期刊管理、10阅览室管理、流通管理、读者管理、文献检索和系统配置。流程图的大学图书馆处理交通方面:首先是系统管理人员后台管理系统,然后进行系统维护,验证单位信息、操作等月度报告数据。图书馆管理部门可以通过客户端浏览器访问数据库中的信息,可以进行各种数据的统计分析,以全面了解。老师和学生用户可以访问自己的文献资料信息,浏览客户浏览器检索自己需要的信息等等。UML系统建模：随着数据库规模的扩张,简单的ER模型结构不能清楚地分析和描述问题,导致系统开发难度系数增加。数据库设计是软件开发中的重要阶段,它直接影响整个软件系统的数据访问速度,数据库建模也是最重要的。使用UML设计数据库模型的分析方法,会使得数据库模型清晰易于理解,能反映系统结构清晰,易于开发,减少系统开发的周期,提高系统开发的效率。我们使用UML进行系统建模,利用面向对象的方法分析了系统中,使用标准的可视化的模型显示视觉信息,因此我们建立了面向对象的系统模型。下面,我们使用UML视图模型进行分析和设计系统开发。需求分析建模，需求分析是很重要的阶段在软件开发过程中,它会影响到用户最终对软件产品的满意度,建立视图的用例是最重要的在这个阶段。用例图是一个人与系统交互,图书馆管理系统有两个参与者:读者和图书馆工作人员。读者分为借款人和观看者(指的是通过互联网访问系统的人员),可以进行检索文献资料的图书馆。员工可以分为系统管理器和普通经理。用例是系统和用户之间的交互