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基于Struts框架技术的WEB应用系统.docx

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基于Struts框架技术的WEB应用系统 Introduction Strutsisanopen-sourceframeworkthatenablesthedevelopmentofwebapplicationsusingtheModel-View-Controller(MVC)designpattern.TheframeworkiswidelyusedindevelopingJava-basedwebapplications,anditprovidesmanyfeaturesandtoolsthatassistdevelopersinbuildingscalable,robust,andmaintainableapplications. Inthispaper,wewilldiscusstheStrutsframeworkanditsapplicationinbuildingwebsystems.Wewillstartbyintroducingtheframeworkanditsfeatures,followedbyitsarchitectureandcomponents.Wewillthendiscussitsadvantagesanddisadvantagesandconcludebyanalyzinghowitcanbeusedtobuildawebapplicationsystem. StrutsFramework TheStrutsframeworkprovidesasetoftoolsandAPIsthatassistdevelopersinbuildingwebapplications.Itisalightweightframeworkthatcanbeeasilyintegratedwithotherframeworksandtools,suchasHibernate,Spring,andTiles.ItfollowstheMVCdesignpattern,whichseparatestheapplicationintothreemaincomponents:themodel,theview,andthecontroller. Themodelrepresentsthedataandbusinesslogicoftheapplication.Itincludesthedatabase,theservices,andthedata-accessobject(DAO)layer.Theviewcomprisestheuserinterfaceandthepresentationlogicoftheapplication.ItincludestheJSPpagesandHTMLtemplates.Thecontrollercontrolstheinteractionbetweenthemodelandtheview.ItincludestheActionclassesandtheconfigurationfiles. ThereareseveralkeyfeaturesoftheStrutsframeworkthatmakeitpopularamongdevelopers.Theseinclude: 1.Conventionoverconfiguration:Strutsusesconventionstolocateandconfigurethecomponentsofanapplication.Thisreducestheamountofcodeadeveloperhastowrite,makingiteasierandfastertodevelopapplications. 2.Validationframework:Strutsprovidesabuilt-invalidationframeworkthatenablesdeveloperstovalidateuserinputandcontrolthedataenteredintotheapplication. 3.Action-basedarchitecture:Strutsisbuiltonanaction-basedarchitecture,whichmakesiteasytomodularizeanapplicationintosmaller,reusablecomponents. 4.Taglibrary:Strutsprovidesataglibrarythatincludesasetofcustomtagsthatcanbeusedtocreatedynamicuserinterfaces. 5.Integrationwithotherfram