Video: Kev siv Spring MVC yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Spring MVC yog ib Java lub moj khaum uas yog siv los tsim web applications. Nws ua raws li Model-View-Controller tsim qauv. Nws siv tag nrho cov yam ntxwv ntawm lub caij nplooj ntoos hlav tseem ceeb xws li Inversion of Control, Dependency Injection.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov zoo ntawm Spring MVC?
Qhov zoo ntawm Spring MVC dhau Struts. Caij nplooj ntoos hlav muab kev koom ua ke lub moj khaum rau txhua theem ntawm koj daim ntawv thov. Caij nplooj ntoos hlav muab kev sib cais huv heev ntawm cov tswj, JavaBean qauv, thiab kev pom. Caij nplooj ntoos hlav Cov tswj tau teeb tsa siv IoC zoo li lwm yam khoom.
Tsis tas li ntawd, Spring MVC puas tseem siv? Caij nplooj ntoos hlav muab kev txhawb nqa rau ntau yam haujlwm xws li: Struts, Hibernate, Tapestry, EJB thiab JSF thiab lwm yam. lub caij nplooj ntoo hlav tuaj yeem yog siv hauv kev tsim txhua daim ntawv thov java, tab sis feem ntau nws siv los tsim lub vev xaib. Cov Caij nplooj ntoos hlav moj khaum suav nrog ntau lub modules xws li IOC, AOP, DAO, Cov ntsiab lus, ORM, WEB MVC lwm.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog siv ModelAndView hauv Spring MVC?
ModelAndView yog ib yam khoom uas tuav ob lub qauv thiab saib . Tus handler rov qab ModelAndView object thiab DispatcherServlet daws qhov pom siv View Resolvers thiab View. Tus Saib yog ib yam khoom uas muaj cov npe saib hauv daim ntawv ntawm Txoj hlua thiab tus qauv yog daim ntawv qhia ntxiv rau ntau yam khoom.
Dab tsi yog qhov zoo ntawm kev siv Spring moj khaum?
Caij nplooj ntoos hlav muab lub thawv hnyav uas tuaj yeem qhib tau yam tsis muaj siv web server lossis application server software. Nws muab kev txhawb nqa zoo rau IoC thiab Dependency Injection ua rau xoob coupling. Cov Caij nplooj ntoos hlav Framework txhawb JDBC lub moj khaum uas txhim kho kev tsim khoom thiab txo qhov yuam kev.
Pom zoo:
Dab tsi ntawm cov hauv qab no yog qhov zoo ntawm kev siv cov khoom siv pom kev hauv kev hais lus?
Qhov txiaj ntsig tseem ceeb ntawm kev siv cov khoom siv pom hauv koj cov lus hais yog tias lawv ua kom cov neeg tuaj saib muaj kev txaus siab, hloov kev mloog ntawm tus neeg hais lus, thiab ua rau tus neeg hais lus muaj kev ntseeg siab ntau dua hauv kev nthuav qhia tag nrho
Dab tsi yog qhov sib txawv loj ntawm kev txheeb xyuas qhov yuam kev thiab kev kho cov lej yuam kev?
Ob qhov kev tshawb nrhiav qhov yuam kev thiab kev kho qhov yuam kev yuav tsum muaj qee qhov ntawm cov ntaub ntawv rov qab xa mus nrog cov ntaub ntawv tiag tiag; kev kho yuav tsum muaj ntau tshaj li kev tshawb nrhiav. Parity bits yog ib txoj hauv kev yooj yim rau kev tshawb nrhiav qhov yuam kev. Ib qho parity me ntsis yog ib qho ntxiv me ntsis xa nrog cov ntaub ntawv uas tsuas yog 1-ntsis suav ntawm cov ntaub ntawv
Dab tsi yog qhov txawv ntawm cov neeg siv kev paub thiab kev paub ntawm cov neeg siv khoom?
User Experience (UX) cuam tshuam nrog tib neeg cuam tshuam nrog koj cov khoom thiab cov kev paub uas lawv tau txais los ntawm kev sib cuam tshuam. Customer Experience (CX), incontrast, encompasses tag nrho cov kev sib cuam tshuam ib tug neeg muaj nrog koj hom
Dab tsi yog qhov kev txwv kev ncaj ncees piav qhia txog kev ncaj ncees lossis kev txwv txawv teb chaws?
Kev lees paub ncaj ncees xav kom tus yuam sij txawv teb chaws yuav tsum muaj tus yuam sij tseem ceeb sib xws lossis nws yuav tsum yog null. Qhov kev txwv no tau teev tseg ntawm ob lub rooj (niam txiv thiab menyuam); nws tuav cov ntawv xov xwm ntawm kab hauv cov rooj no. Nws txhais tau hais tias kev siv los ntawm kab hauv ib lub rooj mus rau lwm lub rooj yuav tsum siv tau
Dab tsi yog qhov tseem ceeb ntawm kev siv kev coj ncaj ncees rau cov ntaub ntawv kev ruaj ntseg?
Rau cov kws tshaj lij kev ruaj ntseg cov ntaub ntawv, muaj ob lub hom phiaj tseem ceeb thaum nws los txog rau cov ntaub ntawv tseem ceeb: tiv thaiv nws thiab paub txog nws qhov chaw. Cov koom haum tsis tuaj yeem xav tias cov ntaub ntawv raug cai lossis tau txais los ntawm kev coj ncaj ncees