人事管理系统的开发和设计外文翻译毕业设计论文.docx

人事管理系统的开发和设计外文翻译毕业设计论文.docx

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人事管理系统的开发和设计外文翻译毕业设计论文

英文文献：

Personnelmanagementsystemdevelopmentanddesign

ByDustinMarx

Summary

Withtherapiddevelopmentofcomputertechnology,computerapplicationsinthepopularityofbusinessmanagement,personnelmanagementofenterprisesusingcomputersisimperative.Formedium-sizedenterprises,enterprisesandefficientuseofcomputersupporttocompletethedailyaffairsoflaborandpersonnelmanagementistoadapttothemodernenterprisesystem,encourageenterprisestolaborandpersonnelmanagementtoscientific,standardized,anecessarycondition;incomparableadvantageofthecomputertoretrievemanagementrapid,easytofind,highreliability,largememorycapacity,securityandgood,longlifeandlowcost.Theseadvantagescangreatlyimprovetheefficiencyofpersonnelmanagement,butalsocorporatescientificandstandardizedmanagement,animportantconditionforintegrationwiththeworld.Differentcompanieshavedifferenthumanresourcesmanagementsystem,whichdeterminesthedifferentcompaniesneeddifferentpersonnelmanagementsystem.

choiceofdevelopmenttools

Now,themarketcanbuyalotofapplicationdevelopmentproducts,popular,anddozens.Currentlythemostpopularinourmarket,themostused,mostadvanceddevelopmenttoolscanbeusedasenterprise-levelproducts:

Microsoft'sVisualBasic

Microsoft'sVisualC

Borland'sDelphi

Java,etc.

Inthecurrentmarket,manyapplicationdevelopmenttoolsforthese,somestressedthattheimplementationofprocessflexibilityandefficiencyoflanguage;andsomeemphasisonthevisualapplicationdevelopmenttoolstobringconvenienceandefficiencyhigh,eachwithitsownadvantagesandcharacteristics,butalsotomeettheneedsofdifferentusers.However,thelanguageoftheflexibilityandconveniencetoolsareinextricablylinked,andonlyaconvenienttool,butdidnotsupportthelanguageofflexibility,manyspecializedprocessingactionswillneedtospendseveraltimestheefforttodealwith,sotheefficiencyoftheoriginaladvertisedlossofaroleinimprovingtheadvantage;thecontrary,ifthelanguageonlyemphasizestheflexibilityofprocesscontinued,butnoconvenienttoolforco-ordinationwillmakesomeverysimpleinterface,evenifthedealmoves,programmerswillbeaseriouswasteofvaluabletime.

Asthedatabasesystemdevelopment,VisualBasicisanidealchoice.MISdatabaseisanimportantenablingtechnologyintheMISdevelopmentprocess,howtochoosethedatabasemanagementisanimportantissue,atpresent,thedatabasemoreproducts,eachproducthasitsowncharacteristicsandscope,therefore,thechoiceofdatabaseshouldconsiderthecharacteristicsofdatabaseapplicationsandapplication,thesystem'sdatabaselanguageusedVisualBasiclanguage,thedevelopmenttoolhasmanyadvantages:

VisualBasicisavisual,object-orientedandevent-drivenarticlebythewayofstructuredhigh-levelprogramming,canbeusedtodevelopthetypeofWindowsenvironmentapplications.Itiseasytolearn,efficient,andpowerful,withprofessionaldevelopmenttools,WindowsSDKcomparableto,andapplicationdevelopersdonothavetheC/C++Programming.IntheVisualBasicenvironment,theuseofevent-drivenprogrammingmechanism,novel-to-usevisualdesigntools,theuseofWindowsinternalapplicationprograminterface（API）functions,anddynamic-linklibrary（DLL）,DynamicDataExchange（DDE）,ObjectLinkingandEmbedding（OLE）,OpenDataAccess（ODBC）technology,canefficientlyandquicklydevelopedaWindowsenvironment,powerful,richgraphicaluserinterfaceapplicationsoftwaresystem.

Ingeneral,VisualBasichasthefollowingcharacteristics:

VisualProgramming:

Traditionalprogramminglanguagedesignprogram,aredesignedbywritingcodetotheuserinterface,theinterfacedesignprocessdonotseetheactualdisplay,runtheprogramtobecompiledcanbeobserved.Ifyouarenotsatisfiedwiththeeffectoftheinterface,butalsoreturntotheprogramchanges.Sometimes,thisprogramming-Compiler-Changetheoperationmayberepeatedseveraltimes,greatlyaffectedtheefficiencyofsoftwaredevelopment.VisualBasicprovidesavisualdesigntool,thecomplexityoftheWindowsinterfacedesign"package"together,developersdonothavealotofinterfacedesignandwritecode.Justpressthescreenlayoutdesign,usingsystemtoolstodrawonthescreenvarious"parts",thatis,graphicalobjects,andsetthepropertiesofthesegraphicalobjects.VisualBasiccodeautomaticallygeneratedinterfacedesign,programmersneedonlywritetheparttoachievefunctionalityoftheprogramcode,whichcangreatlyimprovetheefficiencyofprogramdesign.

Object-orientedprogramming

VisualBasic4.0supportforfutureobject-orientedprogramming,butitisthegeneralobject-orientedprogramminglanguage（C++）arenotidentical.Ingeneralobject-orientedprogramminglanguage,objectcodeanddatafromthecompositionofanabstractconcept;andVisualBasicistheapplicationofobject-orientedprogrammingmethodology（OOP）,theprogramsanddataencapsulatedasanobjectandshouldbegivenforeachobjecttheattributesoftheobjectassomethingreal.Inthedesignofobjects,withoutwritingtoestablishanddescribeeachobjectcode,butwiththetooltodrawtheinterface,VisualBasicautomaticallygeneratestheobjectcodeandpackageit.Eachobjectisdisplayedgraphicallyintheinterfacearevisible.

Structuredprogramminglanguage

VisualBasicisbasedontheBASIClanguagedeveloped,high-levelprogramminglanguagewithsentencestructure,similartothelogicofnaturallanguageandhumanthinking.VisualBasicstatementseasytounderstand,itseditorsupportscolorcode,canautomaticallycheckforsyntaxerrors,butalsohaspowerfulandflexibletousedebuggerandcompiler.

VisualBasicisaninterpretedlanguage,enterthecodeatthesametime,decompositionofhigh-levellanguageinterpretationsystemwillbetranslatedintomachineinstructionsthecomputercanrecognizeandjudgeeachstatementsyntaxerror.VisualBasicproceduresinthedesignprocess,youcanalwaysruntheprogram,andinthewholeprocessagooddesign,youcancompileanexecutablefile（.EXE）,fromtheVisualBasicenvironment,directlyintheWindowsenvironments.

Event-drivenprogrammingmechanism

VisualBasicobjectthroughtheeventtoperformtheoperation.Anobjectmayhavemultipleevents,eacheventareavailablethroughaprogramtorespond.Forexample,thecommandbuttonisanobject,whentheuserclicksthebutton,willgeneratea"click"（CLICK）event,butintheproductionoftheeventwillexecuteaprogramusedtoimplementthespecifiedoperation.

Inthedesignoflarge-scaleapplicationsusingVisualBasicsoftware,withoutcreatingaclearbeginningandendoftheprocedure,butthepreparationofanumberofsmallsubroutinesthatprocess.Theseprocessesareaimedatdifferentobjects,aneventtriggeredbytheusertodrivethecompletionofaparticularfunctionorprocedurecalledbythegenericevent-drivenprocesstoperformthespecifiedoperation,sothatprogrammerscaneasilyandimproveefficiency.

Accesstothedatabase

VisualBasichasapowerfuldatabasemanagementfeatures,theuseofdatacontrolanddatabasemanagementwindow,youcandirectlycreateordealwithMicrosoftAccessdatabaseformat,andprovidespowerfuldatastorageandretrievalcapabilities.Atthesametime,VisualBasiccanalsodirectlyedit,andaccesstootherexternaldatabases,suchasDBASE,FoxPro,Paradox,etc.ThesedatabaseformatcanbeeditedandprocessedusingVisualBasic.

VisualBasicprovidesanopendataconnection,theODBCfunctions,canbeestablishedthroughdirectaccessorusetheconnectionandoperationoflarge-scalenetworkdatabasebackendsuchasSQLServer,Oracleandsoon.Intheapplication,youcanusestructuredquerylanguageSQLdatastandards,directaccesstotheserverdatabaseandprovidesasimpleobject-orienteddatabaseinstructionsandmulti-userdatabaseaccesslockingmechanismandnetworkprogrammingSQLdatabasestechnologyforstand-alonedatabasesrunningontheSQLnetworkinterfacetoadistributedenvironment,fastandeffectiveimplementationofclient/server（client/server）programs.

DynamicDataExchange（DDE）

UsingDynamicDataExchange（DynamicDataExchange）technology,anapplicationcandynamicallylinkthedatatoanotherapplication,sothattwocompletelydifferentapplications,establishadynamicdatalink.Whentheoriginaldatachanges,youcanautomaticallyupdatethelinkeddata.VisualBasicprovidestheprogrammingdynamicdataexchangetechnology,theapplicationprogramwithotherWindowsapplicationstocreatedynamicdataexchangebetweendifferentapplicationstocommunicate.

ObjectLinkingandEmbedding（OLE）

ObjectLinkingandEmbedding（OLE）toeachapplicationasanobject（object）,tolinkdifferentobjects（link）up,andthenembedded（embed）anapplication,whichcanbeasound,image,image,animation,textandotherinformationcollectionstylefiles.OLEtechnologyisMicrosoft'sstrategiccorporateobjecttechnology,whichthemultipleapplicationsintoone,aseachapplicationforanobjectlinkingandembedding,isanapplicationintegrationtechnology.UsingOLEtechnology,youcaneasilybuildcompositedocuments（compounddocument）,thisdocumentfromanumberofdifferentapplicationobjects,eachobjectinthedocumentandlinkedtotheoriginalapplication,andperformwiththeoriginalapplicationthesameoperation.

Dynamiclinklibrary（DLL）

VisualBasicisanadvancedprogramminglanguage,donothavelow-levellanguagefunctions,theoperationoftheaccesstothemachinehardwareisnoteasytoi