Video: Koj ua li cas rau kev zam hauv Spring MVC ib puag ncig?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Rau lis kev zam hauv String MVC , peb tuaj yeem txhais ib txoj hauv kev hauv chav tswj hwm thiab siv cov lus piav qhia @ExceptionHandler rau nws. Caij nplooj ntoos hlav configuration yuav ntes no annotation thiab sau npe rau txoj kev raws li kev zam handler rau kev sib cav kev zam chav kawm thiab nws cov subclasses.
Ntxiv rau qhov no, kev zam li cas rau lub caij nplooj ntoos hlav?
Caij nplooj ntoos hlav MVC Framework muab cov hauv qab no los pab peb ua kom muaj zog zam tuav . Controller Based - Peb tuaj yeem txhais kev zam handler txoj kev hauv peb cov chav kawm tswj. Yog li yog tias peb tau txhais ib qho ntawm cov no rau Kev zam class, ces tag nrho cov kev zam pov los ntawm peb qhov kev thov handler txoj kev yuav muaj tuav.
Ib yam li ntawd, chav kawm tshwj xeeb twg muaj feem cuam tshuam rau txhua qhov kev zam uas tau muab pov rau hauv Spring applications? Tag nrho cov kev zam pov tseg los ntawm Caij nplooj ntoos hlav JDBC Framework yog subclasses ntawm DataAccessException uas yog ib hom RuntimeException, yog li koj tsis tas yuav lis nws meej. Txhua yam kuaj kev zam thaum pov yuav raug mapped rau ib qho ntawm cov subclasses ntawm DataAccessException los ntawm lub moj khaum.
Hauv qhov no, muaj pes tsawg txoj hauv kev uas peb tuaj yeem daws qhov kev zam rau lub caij nplooj ntoo hlav?
Caij nplooj ntoos hlav muab ob txoj hauv kev rau tuav cov no kev zam : Siv XML configuration: qhov no zoo ib yam li zam tuav hauv Servlet/JSP, tshaj tawm ib SimpleMappingExceptionResolverbean hauv Caij nplooj ntoos hlav daim ntawv thov cov ntsiab lus cov ntaub ntawv thiab daim ntawv qhia kev zam hom nrog saib npe.
@ResponseStatus yog dab tsi?
Hom lus piav qhia Teb Status Kos ib txoj hauv kev lossis kev zam hauv chav kawm nrog cov xwm txheej code() thiab laj thawj() uas yuav tsum tau xa rov qab. Txoj cai lij choj raug siv rau HTTP cov lus teb thaum tus neeg tuav txoj kev raug hu thiab overrides cov ntaub ntawv xwm txheej los ntawm lwm txoj kev, xws li ResponseEntity lossis "redirect:".
Pom zoo:
Kuv yuav ua li cas dhau qhov kev hloov pauv ib puag ncig hauv Docker khiav?
Teem ib puag ncig hloov pauv (-e, --env, --env-file) Thaum khiav cov lus txib, Docker CLI tus neeg siv tshuaj xyuas tus nqi ntawm qhov sib txawv muaj nyob hauv koj ib puag ncig thiab kis mus rau lub thawv. Yog tias tsis muaj = yog muab thiab qhov sib txawv ntawd tsis raug xa tawm hauv koj qhov chaw ib puag ncig, qhov sib txawv yuav tsis raug teeb tsa hauv lub thawv
Koj teeb tsa ib puag ncig sandbox li cas?
Los ntawm kev teeb tsa, nkag mus rau Sandboxes hauv Quick Nrhiav lub thawv, tom qab ntawd xaiv Sandboxes. Nyem Tshiab Sandbox. Sau ib lub npe (10 cim lossis tsawg dua) thiab piav qhia rau lub sandbox. Xaiv hom sandbox koj xav tau. Xaiv cov ntaub ntawv kom suav nrog hauv koj Daim Ntawv Ib Nrab lossis Tag Nrho Sandbox
Yuav ua li cas yog tias koj cov neeg nyob ib puag ncig muaj termites?
Yog tias koj pom tias koj tus neeg nyob ze muaj kab tsuag, nws yuav yog ib lub tswv yim zoo los thov kev tshuaj xyuas kab tsuag kom muaj kev nyab xeeb. Nws yog ib qho tseem ceeb kom nrhiav tau cov kab mob ntxov kom txwv qhov kev puas tsuaj uas lawv tuaj yeem ua tau. Yog tias koj lub tsev muaj hnub nyoog tshaj 10 xyoo, koj yuav tsum tau kuaj xyuas kab tsuag txhua tsib xyoos
Koj puas tuaj yeem khaws cov ntawv los ntawm Citrix ib puag ncig hauv UiPath?
Txheej txheem. Qhov no yooj yim dua li koj xav. UiPath yuav rub tag nrho cov ntawv muaj nyob hauv Citrix App. Tom qab ntawd koj tuaj yeem pom cov ntawv nyeem uas koj xav ua qhov kev txiav txim
Qhov kev zam ToString puas suav nrog kev zam sab hauv?
ToString() yuav qhia hom kev zam, lus, ntxiv rau ib qho kev zam sab hauv. Tsis tas li ntawd xwb! Yog tias FaultException yog InnerException ntawm, piv txwv li, System