@RequestParam yog dab tsi hauv khau raj caij nplooj ntoos hlav?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Software Hom: Daim ntawv thov txheej txheem

Tib neeg kuj nug, @RequestParam yog dab tsi thaum caij nplooj ntoos hlav?

Caij nplooj ntoos hlav MVC ThovParam Cov lus piav qhia. Hauv Caij nplooj ntoos hlav MVC, tus @ ThovParam annotation yog siv los nyeem daim ntawv cov ntaub ntawv thiab khi nws cia li mus rau qhov parameter tam sim no nyob rau hauv cov txheej txheem muab. Yog li, nws tsis quav ntsej qhov yuav tsum tau ua ntawm HttpServletRequest khoom los nyeem cov ntaub ntawv muab.

Ib tug kuj yuav nug, qhov txawv ntawm @PathVariable thiab @RequestParam nyob rau lub caij nplooj ntoos hlav yog dab tsi? Qhov ntawd yog txhua yam hais txog lub qhov sib txawv ntawm @ PathVariable thiab @RequestParam hauv Caij nplooj ntoos hlav MVC. Txawm hais tias ob qho tib si siv los rho tawm cov ntaub ntawv los ntawm URL, @ ThovParam yog siv los retrieve cov lus nug tsis, dab tsi tom qab? hauv URL, thaum @ PathVariable yog siv los muab cov txiaj ntsig los ntawm URI nws tus kheej.

Tsis tas li ntawd, @RequestMapping yog dab tsi hauv lub caij nplooj ntoos hlav khau raj?

@ ThovMapping yog ib qho ntawm feem ntau siv Caij nplooj ntoos hlav MVC cov lus piav qhia. org. ThovMapping annotation yog siv los qhia cov lus thov hauv lub vev xaib mus rau cov chav kawm tshwj xeeb thiab / lossis cov txheej txheem tuav. @ ThovMapping tuaj yeem siv rau hauv chav tswj hwm nrog rau cov txheej txheem.

Dab tsi yog kev siv @PathVariable hauv khau raj caij nplooj ntoos hlav?

Hauv caij nplooj ntoos hlav , tus @ PathVariable annotation yog siv txhawm rau khi URI template hloov pauv mus rau cov txheej txheem handler ntawm tus maub los hauv Spring MVC lub moj khaum.