DesignandImplementationofE-CommerceSiteforOnlineShoppingDesignandImplementationofE-CommerceSiteforOnlineShoppingDesignandImplementationofE-CommerceSiteforOnlineShopping網(wǎng)上購物電子商務(wù)網(wǎng)站的設(shè)計與實現(xiàn)DesignandImplementationofElectronic-CommerceSiteforOnlineShopping. 購物系統(tǒng)網(wǎng)上購物系統(tǒng)（OSS）是基于HTML、CSS、JavaScript、百里香葉（前端）和Java、SpringBug、Hibernate、JPA和MySQL（后端）的一個基于Web的應(yīng)用程序。為了實現(xiàn)OSS，購物系統(tǒng)不需要昂貴的硬件和軟件，只需要互聯(lián)網(wǎng)連接和桌面。該系統(tǒng)作為一個集中的數(shù)據(jù)庫和應(yīng)用程序，在線購物者可以方便地從任何地方基于注冊憑證訪問系統(tǒng)。OSS是一個獨立的平臺系統(tǒng)，幾乎任何用戶都可以訪問，它使OSS易于使用、質(zhì)量不斷提高。網(wǎng)上購物是生活方式電子商務(wù)網(wǎng)絡(luò)應(yīng)用，零售各種女性生活方式產(chǎn)品（目前女性和衛(wèi)生產(chǎn)品）。該項目允許查看各種產(chǎn)品，使注冊用戶立即使用PayPal支付處理器（即時支付）購買所需產(chǎn)品。本項目通過標(biāo)準(zhǔn)的可訪問因特網(wǎng)系統(tǒng)向任何地方的管理員提供方便的訪問。它也可以定制為個人在線購物者的需要。本文件將討論創(chuàng)建和實現(xiàn)電子商務(wù)網(wǎng)站的每個基礎(chǔ)技術(shù)。一種在線購物系統(tǒng)，它允許客戶提交來自商店的物品和/或服務(wù)的在線訂單，該商店同時為步行顧客和在線顧客提供服務(wù)。在線購物系統(tǒng)提供訂單截止時間的在線顯示以及客戶所選商品的相關(guān)送貨窗口。系統(tǒng)接受客戶提交的購買訂單，以響應(yīng)在訂單截止時間之前的提交時間。在線購物系統(tǒng)直到客戶選擇的商品從庫存中挑選出來之后才與客戶的信用供應(yīng)商結(jié)算，但在交付之前。因此，客戶可以在線更改訂單。此外，可用服務(wù)窗口是根據(jù)客戶選擇的訂單和服務(wù)類型向客戶提供的函數(shù)，并且根據(jù)揀貨者的喜好分配揀貨任務(wù)。在訂購商品時，許多購物系統(tǒng)提供一個虛擬購物車，用于存放選購的物品。選擇購買的連續(xù)項目被放入虛擬購物車中，直到客戶完成他們的購物之旅。虛擬購物車可以隨時檢查，其內(nèi)容可由客戶選擇編輯或刪除。一旦客戶決定提交訂單，客戶就可以打印虛擬購物籃的內(nèi)容，以便獲得交易的硬拷貝記錄。關(guān)鍵詞：網(wǎng)上購物系統(tǒng)；JAVA；SQL；數(shù)據(jù)庫；SPRINGBOOT；Html；CSS；JAVA腳本；百里香葉；HIBENATE；

ONLINESHOPPINGSYSTEM:fullnameAbstractOnlineShoppingSystem(OSS)isaweb-basedapplicationthatisbasedonhtml,css,JavaScript,thymeleaf(frontend)andJAVA,SPRINGBOOT,HIBERNATE,JPAandMySQL(backend).ToimplementOSS,ShoppingSystemdoesnotrequireexpensivehardwareandsoftware,allyouneedisinternetconnectionanddesktops.ThissystemworksasacentralizeddatabaseandapplicationthatonlineshopperscaneasilyaccessthesystemfromanywherebasedontheRegisteredcredentials.OSSisanindependentplatformsystemthatvirtuallyanyusercanhaveaccesstoanditmakesiteasytouse,itsqualityandisimprovedconstantly.OnlineShoppingisalifestylee-commercewebapplication,whichretailsvariousfemininelifestyleproducts(Currentlyfeminineandhygieneproducts).Thisprojectallowsviewingvariousproductsavailable,enablesregistereduserstopurchasedesiredproductsinstantlyusingPayPalpaymentprocessor(InstantPay).ThisprojectprovidesaneasyaccesstoAdministratorsanywherethroughastandardinternetaccessiblesystem.ItcanalsobecustomizedforindividualonlineShoppersneeds.Thisdocumentwilldiscusseachoftheunderlyingtechnologiestocreateandimplementane-commercewebsite.Anonlineshoppingsystemthatpermitsacustomertosubmitonlineordersforitemsand/orservicesfromastorethatservesbothwalk-incustomersandonlinecustomers.Theonlineshoppingsystempresentsanonlinedisplayofanordercutofftimeandanassociateddeliverywindowforitemsselectedbythecustomer.Thesystemacceptsthecustomer'ssubmissionofapurchaseorderfortheiteminresponsetoatimeofsubmissionbeingbeforetheordercutofftime.Theonlineshoppingsystemdoesnotsettlewithacreditsupplierofthecustomeruntiltheitemselectedbythecustomerispickedfrominventorybutbeforeitisdelivered.Therefore,thecustomercangoonlineandmakechangestotheorder.Inaddition,availableservicewindowsarepresentedtothecustomerasafunctionofcustomerselectedorderandservicetypesandfurther,theorderpickingisassignedinaccordancewithapicker'spreference.Whenorderinggoods,manyshoppingsystemsprovideavirtualshoppingcartforholdingitemsselectedforpurchase.Successiveitemsselectedforpurchaseareplacedintothevirtualshoppingcartuntilacustomercompletestheirshoppingtrip.Virtualshoppingcartsmaybeexaminedatanytime,andtheircontentscanbeeditedordeletedattheoptionofthecustomer.Oncethecustomerdecidestosubmitapurchaseorder,thecustomermayprintthecontentsofthevirtualshoppingbasketinordertoobtainahardcopyrecordofthetransaction.Keywords:OnlineShoppingSystem;JAVA;SQL;Database;SPRINGBOOT;Html;CSS;JAVASCRIPT;THYMELEAF;HIBENATE;

目錄第1.章導(dǎo)言………...………91.1項目目標(biāo)………………….……………91.2項目概述………………...………………101.3項目范圍……………...….101.4系統(tǒng)研究………….……….101.5模塊…………………...….10第2章。系統(tǒng)分析……….….172.1現(xiàn)行制度………………...172.2擬議制度………………….172.3系統(tǒng)目標(biāo)………………….172.4一般說明…………………….17第3章系統(tǒng)設(shè)計………………...173.1優(yōu)秀設(shè)計的起源…………….193.2輸入輸出設(shè)計……….…...….193.3輸入設(shè)計……………………...203.4輸出設(shè)計……………….…….20第4章。數(shù)據(jù)庫設(shè)計……….204.1系統(tǒng)工具……………...…...204.2前端…………204.3后端………………………...204.4表………….214.5實體關(guān)系圖………….….214.6數(shù)據(jù)流圖………………….254.7屏幕截圖……………………27第5章。開發(fā)工具介紹………315.1Java腳本…………………….355.2什么是Java腳本？………………….……355.3什么是Java腳本文件？…………………355.4為什么是Java腳本？……………….……365.5JAVA………….365.6JavaServer項目是什么？…….……….36第6章。系統(tǒng)實現(xiàn)……………….386.1演示接口……….386.2對應(yīng)的源代碼……………...….41第7章。結(jié)論……….467.1參考文獻(xiàn)………….46TABLEOFCONTENTS1.Intoduction…………………...91.1projectobjectives…………………91.2projectoverview………………………101.3projectscope…………...101.4studyofsystems……………………….101.5modules……………….…102.SystemAnalysis…………...172.1Existingsystem…………………….172.2Proposedsystem…………………172.3SystemRequirementSpecification………172.4Systemobjectives…………………172.5SystemRequirements……….…173.SystemDesign……………...193.1TheOriginofGoodDesign…………………….193.2InputsandOutputsDesign…………………….203.3InputsDesign…………203.4OutputDesign……………………….204.DatabaseDesign………….204.1SystemsTools……………………….204.2Frontend…………………...…...……204.3Backend………….………………214.4Table…………………...………………...214.5E.RDiagram………….……………….254.6DataFlowDiagrams(DFD)……...………………274.7ScreenShots…………………...………315.IntroductionofDevelopmentTools……………….355.1JAVASCRIPT…………...355.2WhatisJAVASCRIPT……………….355.3Whatisajavascriptfile?365.4WhyJAVASCRIPT?365.5JAVA……………………...365.6WhatistheJavaserverproject?376.SystemImplementation………………...386.1DemonstrateInterface…………...386.2CorrespondingSourceCode……………….……417.Conclusion……………………...467.1Reference……………….…467.2Acknowledgements……….INTRODUCTIONE-commercerepresentsthedirectionoffuturetradedevelopment.Promotionofe-commercewillbringgreatbenefitstothesocietyandtheeconomy.Forexample,e-commerceimprovesthespeedandqualityofservicesoftransaction,promotestheglobalizationofmarkets,andcutsdowncost.Forthesereasons,thisprojectaimedtodesignandimplementanonlineshoppingwebapplicationforsellingfeminineproducts.Thewebsiteisdesignedforpeoplewhopreferonlineshoppingofdailyfemininenecessitiesforwomenespeciallyfemininehygieneproducts.Thiswebapplicationcoverstheentireprocessfromproductmanagement,classificationandquerying,totheshoppingcart,anduserorderprocessing.Femininehygieneproductsareprimarilydistributedthroughretailstoreswhichincludesupermarkets&hypermarkets,specialtystores(drugstores,pharmaciesandbeautystores),conveniencestores,anddollarstores.Amongthese,supermarkets&hypermarketssegmentaccountedforthelargestshareintheoverallsalesoffemininehygieneproductsin2015andisexpectedtomaintainitsleadingpositionthroughouttheforecastperiod.However,conveniencestoresaretheprominentdistributionchannelsinruralareasofdevelopingmarketssuchasIndiaandChina.Onlinesaleschannel,whichpresentlyrepresentarelativelysmallerportionofthemarket,isanticipatedtogainpopularityinthecomingyearsduetoincreasingpenetrationanddevelopmentsinE-commerce.PROJECTOBJECTIVESTheobjectiveofthisprojectistodevelopageneralpurposee-commercestorewhereproductlikeclothescanbeboughtfromthecomfortofhomethroughtheInternet.However,forimplementationpurposes,thispaperwilldealwithanonlineshoppingforclothes.AnonlinestoreisavirtualstoreontheInternetwherecustomerscanbrowsethecatalogandselectproductsofinterest.Theselecteditemsmaybecollectedinashoppingcart.Atcheckouttime,theitemsintheshoppingcartwillbepresentedasanorder.Atthattime,moreinformationwillbeneededtocompletethetransaction.Usually,thecustomerwillbeaskedtofillorselectabillingaddress,ashippingaddress,ashippingoption,andpaymentinformationsuchascreditcardnumber.Ane-mailnotificationissenttothecustomerassoonastheorderisplacedandthepurposeandgoalofthisprojectistoprovideaplatformformorewomentobe-comefamiliarwithmoreandmorefemineandhygieneproductsandpurchaseitonline,andtodevelopanindependentonlinewebbasedapplicationthatcaterstoalltheneedsofwomenwhenitcomestofeminineandhygieneproducts..1.2PROJECTOVERVIEWThecentralconceptoftheapplicationistoallowthecustomertoshopvirtuallyusingtheInternetandallowscustomerstobuytheitemsandProductsoftheirdesirefromthestore.TheinformationpertainingtotheproductsarestoresonanRDBMS(RELATIONALDATABASEMANAGEMENTSYSTEM)attheserverside(store).TheServerprocessesthecustomersandtheitemsareshippedtotheaddresssubmittedbythem.TheapplicationwasdesignedintotwomodulesfirstisforthecustomerswhowishtobuythePRODUCTS.SecondisforthestorekeeperswhomaintainsandupdatestheinformationpertainingtothePRODUCTSandthoseofthecustomers.Theenduserofthisproductisadepartmentalstorewheretheapplicationishostedonthewebandtheadministratormaintainsthedatabase.Theapplication,whichisdeployedatthecustomerdatabase,thedetailsoftheitemsarebroughtforwardfromthedatabaseforthecustomerviewbasedontheselectionthroughthemenuandthedatabaseofalltheproductsareupdatedattheendofeachtransaction.Dataentryintotheapplicationcanbedonethroughvariousscreensdesignedforvariouslevelsofusers.Oncetheauthorizedpersonnelfeedtherelevantdataintothesystem,severalreportscouldbegeneratedasperthesecurity.PROJECTSCOPE:Thissystemcanbeimplementedtoanyshopinthelocalityortomultinationalbrandedshopshavingretailoutletchains.Thesystemrecommendsafacilitytoaccepttheorders24*7andahomedeliverysystem,whichcanmakecustomershappy.Ifshopsareprovidinganonlineportalwheretheircustomerscanenjoyeasyshoppingfromanywhere,theshopswon’tcustomerstothetrendingonlineshopssuchasflipchart.SincetheapplicationisavailableintheSmartphoneitiseasilyaccessibleandalwaysavailable.STUDYOFTHESYSTEMMODULES:Thesystemaftercarefulanalysishasbeenidentifiedtobepresentedwiththefollowingmodulesandroles.Themodulesinvolvedare:AdministratorModeratorsUsersADMINISTRATOR:AddModeratorOnlyadminishavingtheprivilegetoaddamoderator.Amoderatorcanbeconsideredasastaffthatmanagestheordersorownerofagroupofproducts.BlockmoderatorAdmincanrestrictamoderatorfrommanagingtheordersbyblockingthem.Admincanunblockablockeduserifneeded.RemoveModeratorAdminhasprivilegetodeleteamoderatorwhowasadded.Searchmoderator:Theadministratorasalistcanviewallexistingmoderators.Ifthereisnumberofmoderatorsandadminneedtofindoneofthem,theadmincansearchforamoderatorbyname.MANAGEPRODUCTSFig1.1ManageProductsAddProductsTheshoppingcartprojectcontainsdifferentkindofproducts.Theproductscanbeclassifiedintodifferentcategoriesbyname.Admincanaddnewproductsintotheexistingsystemwithallitsdetailsincludinganimage.DeleteProductsAdministratorcandeletetheproductsbasedonthestockofthatparticularproduct.SearchproductsAdminwillhavealistviewofalltheexistingproducts.Hecanalsosearchforaparticularproductbyname.MANAGEUSERFIG1.2MANAGEUSERViewUsersTheadminwillhavealistviewofalltheusersregisteredinthesystem.Admincanviewallthedetailsofeachuserinthelistexceptpassword.AddUsersAdminhasprivilegestoaddauserdirectlybyprovidingthedetails.DeleteUsersAdministratorhasarighttodeleteorblockauser.Thedefaultstatusofanewuserregisteredissetasblocked.Theadminmustacceptthenewuserbyunblockinghim.ManageOrderFig1.3.ManageOrderViewOrderAdministratorcanviewtheOrders,whichisgeneratedbytheusers.Hecanverifythedetailsofthepurchase.DeleteorderAdmincandeleteorderfromtheorderslistwhentheproductistakenfordelivery.MODERATORSFig1.4ModeratorModuleAmoderatorisconsideredasastaffthatcanmanageordersforthetimebeing.Asafutureupdatemoderatormaygivefacilitytoaddandmanagehisownproducts.Moderatorscanreducetheworkloadofadmin.NowmoderatorhasalltheprivilegeanadminhavingexceptmanagingotherModerators.Hecanaddproductsandusers.Hecanalsochecktheordersandedithisprofile.ManageproductsManageusersManageordersUSERS.Fig1.5UserModuleRegistrationAnewuserwillhavetoregisterinthesystembyprovidingessentialdetailsinordertoviewtheproductsinthesystem.Theadminmustacceptanewuserbyunblockinghim.LoginAusermustloginwithhisusernameandpasswordtothesystemafterregistration.ViewProductsUsercanviewthelistofproductsbasedontheirnamesaftersuccessfullogin.Userscanviewadetaileddescriptionofaparticularproductwithproductname,productsdetails,productimage,andprice.SearchProductUserscansearchforaparticularproductinthelistbyname.Addtocart:Theusercanaddthedesiredproductintohiscartbyclickingaddtocartoptionontheproduct.Hecanviewhiscartbyclickingonthecartbutton.Allproductsaddedbycartcanbeviewedinthecart.Usercanremoveanitemfromthecartbyclickingremove.SubmitCart:Afterconfirmingtheitemsinthecarttheusercansubmitthecartbyprovidingadeliveryaddress.Onsuccessfulsubmittingthecartwillbecomeempty.HistoryInthehistorytheuserwillhaveaviewofpendingorders.EditProfileTheusercanviewandedittheprofile.2.SYSTEMANALYSISSystemanalysisistheprocessofgatheringandinterpretingfacts,diagnosingproblemsandusingtheinformationtorecommendimprovementsonthesystem.Systemanalysisisaproblemsolvingactivitythatrequiresintensivecommunicationbetweenthesystemusersandsystemdevelopers.Systemanalysisorstudyisanimportantphaseofanysystemdevelopmentprocess.Thesystemisviewedasawhole,theinputsareidentifiedandthesystemissubjectedtoclosestudytoidentifytheproblemareas.Thesolutionsaregivenasaproposal.Theproposalisreviewedonuserrequestandsuitablechangesaremade.Thisloopendsassoonastheuserissatisfiedwiththeproposal.2.1EXISTINGSYSTEMThecurrentsystemforshoppingistovisittheshopmanuallyandfromtheavailableproductchoosetheitemcustomerwantandbuyingtheitembypaymentofthepriceoftheitem.Itislessuser-friendly.Usermustgotoshopandselectproducts.Itisdifficulttoidentifytherequiredproduct.Descriptionoftheproductlimited.ItisatimeconsumingprocessNotinreachofdistantusers.PROPOSEDSYSTEMIntheproposedsystemcustomerneednotgototheshopforbuyingtheproducts.HecanordertheproducthewishestobuythroughtheapplicationinhisSmartphone.Theshopownerwillbeadminofthesystem.Shopownercanappointmoderatorswhowillhelpownerinmanagingthecustomersandproductorders.Thesystemalsorecommendsahomedeliverysystemforthepurchasedproducts2.3SYSTEMREQUIREMENTSPECIFICATIONProductDescriptionThesystemconsistsoftwoparts.Awebapplication,whichcanprovidetheonlineshoppingservice,andanandroidapplicationforthecustomertoAccessthewebservicefromhisSmartphone.Webapplicationshouldbeabletohelpthecustomerforselectinghisitemandtohelptheownerinmanagingtheordersfromthecustomers.2.3ProblemStatement:Asonlineshoppingbecameatrendnowadaystheregularshopsarelosingtheircustomerstoonlinebrands.Customershaveeffortlessshoppingexperienceandsavingtimethroughshoppingonline.Forcompetingwiththoseonlinebrands,ifshopsareprovidinganonlineportalwheretheircustomerscanshopthroughInternetandgettheproductsattheirdoorsitwillincreasethenumberofcustomers.SYSTEMOBJECTIVESToprovideanandroidapplicationforonlineshoppingofproductsinanexistingshop.Toprovideanonlineshoppingwebsiteforthesameshop.SYSTEMREQUIREMENTSNONFUNCTIONALREQUIREMENTSEFFICIENCYREQUIREMENTWhenanonlineshoppingcartandroidapplicationimplementedcustomercanpurchaseproductinanefficientmanner.RELIABILITYREQUIREMENTThesystemshouldprovideareliableenvironmenttobothcustomersandowner.Allordersshouldbereachingattheadminwithoutanyerrors.USABILITYREQUIREMENTTheandroidapplicationisdesignedforuser-friendlyenvironmentandeaseofuse.IMPLEMENTATIONREQUIREMENTImplementationofthesystemusingCSSandhtmlinfrontendwithPHPasbackendanditwillbeusedfordatabaseconnectivity.AndMySQLdevelopsthedatabasepart.Responsivewebdesigningisusedformakingthewebsitecompatibleforanytypeofscreen.DELIVERYREQUIREMENTThewholesystemisexpectedtobedeliveredinfourmonthsoftimewithAweeklyevaluationbytheprojectguide.FUNCTIONALREQUIREMENTSUSER USERLOGINDescriptionoffeatureThisfeatureusedbytheusertologinintosystem.Ausermustloginwithhisusernameandpasswordtothesystemafterregistration.Iftheyareinvalid,theusernotallowedenteringthesystem.FunctionalrequirementUsernameandpasswordwillbeprovidedafteruserregistrationisconfirmed.Passwordshouldbehiddenfromotherswhiletypingitinthefield REGISTERNEWUSERDescriptionoffeatureAnewuserwillhavetoregisterinthesystembyprovidingessentialdetailsinordertoviewtheproductsinthesystem.Theadminmustacceptanewuserbyunblockinghim.FunctionalrequirementSystemmustbeabletoverifyandvalidateinformation.ThesystemmustencryptthepasswordofthecustomertoprovideSecurity.PURCHASINGANITEMDescriptionoffeatureTheusercanaddthedesiredproductintohiscartbyclickingaddtocartoptionontheproduct.HecanviewhiscartbyclickingontheCartbutton.Allproductsaddedbycartcanbeviewedinthecart.Usercanremoveanitemfromthecartbyclickingremove.Afterconfirmingtheitemsinthecarttheusercansubmitthecartbyprovidingadeliveryaddress.Onsuccessfulsubmittingthecartwillbecomeempty.FunctionalrequirementSystemmustensurethat,onlyaregisteredcustomercanpurchaseitems.ADMINMANAGEUSERDescriptionoffeatureTheadministratorcanadduser,deleteuser,viewuserandblockuser.MANAGEMODERATORDescriptionoffeatureTheadministratorcanaddmoderator,deletemoderator,blockmoderatorandsearchforamoderator.MANAGEPRODUCTSDescriptionoffeatureTheadministratorcanaddproduct,deleteproductandviewproduct.MANAGEORDERSDescriptionoffeatureTheadministratorcanviewordersanddeleteorders.Functionalrequirements-Thesystemmustidentifytheloginoftheadmin.-AdminaccountshouldbesecuredsothatonlyowneroftheshopcanaccessthataccountMODERATORDescriptionoffeaturesAmoderatorisconsideredasastaffthatcanmanageordersforthetimebeing.Asafutureupdatemoderatormaygivefacilitytoaddandmanagehisownproducts.Moderatorscanreducetheworkloadofadmin.Nowmoderatorhasalltheprivilegeofanadminhavingexceptmanagingothermoderators.Hecanmanageusersandmanageproducts.Hecanalsochecktheordersandedithisprofile.Functionalrequirement-Thesystemmustidentifytheloginofamoderator.3.SYSTEMDESIGNSystemdesignisthesolutionforthecreationofanewsystem.Thisphasefocusesonthedetailedimplementationofthefeasiblesystem.Itemphasisontranslatingdesign.Specificationstoperformancespecification.SystemdesignhastwophasesofdevelopmentLogicaldesignPhysicaldesignDuringlogicaldesignphasetheanalystdescribesinputs(sources),outputs(destinations),databases(datasores)andprocedures(dataflows)allinaformatthatmeetstheuserrequirements.Theanalystalsospecifiestheneedsoftheuseratalevelthatvirtuallydeterminestheinformationflowinandoutofthesystemandthedataresources.Herethelogicaldesignisdonethroughdataflowdiagramsanddatabasedesign.Thephysicaldesignisfollowedbyphysicaldesignorcoding.Physicaldesignproducestheworkingsystembydefiningthedesignspecifications,whichspecifyexactlywhatthecandidateSystemmustdo.Theprogrammerswritethenecessaryprogramsthatacceptinputfromtheuser,performnecessaryprocessingontheaccepteddataandproducetherequiredreportonahardcopyordisplayitonthescreen.Necessaryprocessingonaccepteddataandproducestherequiredreportonahardcopyordisplaysitonthescreen.SystemDesign:Oneofthemostinteresting,andmostdifficult,ofthetasksthatwemayundertakeinourcareersasengineersorcomputerscientistsisthedesignofanentiresystem.Asystemisasetofinteractingparts,generallytoolargetobebuiltbyasingleperson,createdforsomeparticularpurpose.Weworkwithsystemsallthetime.Theoperatingsystemsthatcontrolourmachinesaresystems.Thelayersofhardwareandsoftwarethatallowtheprogramsonthesemachinestointeractwitheachotheroveranetworkaresystems.Evenmostapplicationsthatweusearesystems,whetherweknowitornot.Asengineers,weknowthatthewaytosolvealargeproblemistobreakitintoasetofinteractingsmallerproblems.Eachofthesesmallerproblemscanthenbedecomposedintoevensmallerproblems,untilafterenoughiterationwehaveaproblemthatcanbesolvedonitsown.Eachdecompositiongivesusasetofcomponents,anddecidingwhatthosecomponentsareandhowtheyfittogetheristheactivityofsystemdesign.3.1TheOriginofGoodDesignBeforeknowinghowtotrainsomeoneinsystemdesign,itisusefultohavesomeideaconcerningtheoriginofgooddesign.Ifwecanknowwhatleadstogooddesign,wecantrytoteachpeopletodothosesortsofthingsinthehopethatgooddesignwillresult.Thereisnoshortageofbooks,seminars,andothertrainingguidesthatclaimtohelpinthisquest.TherearetechniquessuchasSixSigmathatprofesstoaidinthedevelopmentofgooddesign.TherearelanguagessuchasUMLthatclaimtohelpinthedevelopmentofgooddesign.Andtherearenoendtothemethodologiesandprocessesthatclaimtoenable3.2INPUTANDOUTPUTSDESIGN3.3INPUTDESIGNInputdesignisthelinkthattiestheinformationsystemintotheworldofitsUsers.Theinputdesigninvolvesdeterminingtheinputs,validatingthedata,minimizingthedataentryandprovidesamulti-userfacility.Inaccurateinputsarethemostcommoncauseoferrorsindataprocessing.Errorsenteredbythedataentryoperatorscanbecontrolledbyinputdesign.Theuser-originatedinputsareconvertedtoacomputer-basedformatintheinputdesign.Inputdataarecollectedandorganizedintogroupsofsimilardata.Onceidentified,theappropriateinputmediaareselectedforprocessing.Alltheinputdataarevalidatedandifanydataviolatesanyconditions,theuseriswarnedbyamessage.Ifthedatasatisfiesalltheconditions,itistransferredtotheappropriatetablesinthedatabase.Inthisprojectthestudentdetailsaretobeenteredatthetimeofregistration.Apageisdesignedforthispurpose,whichisuserfriendlyandeasytouse.Thedesignisdonesuchthatusersgetappropriatemessageswhenexceptionsoccur.3.4OUTPUTDESIGNComputeroutputisthemostimportantanddirectsourceofinformationtotheuser.Outputdesignisaveryimportantphasesincetheoutputneedstobeinanefficientmanner.Efficientandintelligibleoutputdesignimprovesthesystemrelationshipwiththeuserandhelpsindecision-making.Allowingtheusertoviewthesamplescreenisimportantbecausetheuseristheultimatejudgeofthequalityofoutput.Theoutputmoduleofthissystemistheselectednotifications.4.DATABASEDESIGNDATABASEDESIGN:Databasesarethestorehousesdatausedinthesoftwareofdataarestoredinthedatabasetablessystems.Insidecreatedfortheseveraltablesarethedataformanipulationofsettingsforthesystem.Twoessentialdatabasesare:PrimarykeyThefieldthatisuniqueforalltherecordoccurrences.ForeignkeyThefieldusedtosetrelationbetweentables.Normalizationisatechniquetoavoidredundancyinthetables.4.1SYSTEMTOOLSThevarioussystemtoolsthathavebeenusedindevelopingboththefrontendandthebackendoftheprojectarebeingdiscussedinthischapter.4.2.FRONTEND:HTML,CSS,JAVASCRIPTBOOTSTRAP,areutilizedtoimplementthefrontend.JavaServerPages(java)DifferentpagesintheapplicationsaredesignedusingJAVASCRIPT.AJavaServerPagescomponent