Video: ActiveSupport kev txhawj xeeb yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov Kev txhawj xeeb yog ib lub cuab yeej muab los ntawm cov ActiveSupport lib rau suav nrog modules hauv cov chav kawm, creationmixins. Txhua chav kawm suav nrog peb Emailable kev txhawj xeeb yuav tuaj yeem xa email.
Hais txog qhov no, Activesupport yog dab tsi?
Kev txhawb nqa nquag yog Ruby ntawm Rails lub luag haujlwm rau kev muab Ruby cov lus txuas ntxiv, kev siv hluav taws xob, thiab lwm yam khoom siv hloov pauv. Nws muaj kev nplua nuj nyob hauv qab ntawm qib lus, tsom ob qho tib si ntawm kev txhim kho Railsapplications, thiab ntawm kev txhim kho Ruby ntawm Railsitself.
Ib yam li ntawd, dab tsi yog module hauv Ruby? Ruby Modules zoo ib yam li cov chav kawm nyob rau hauv uas lawv tuav ib tug sau ntawm txoj kev, tas li, thiab lwm yam module thiab cov lus txhais. Cov qauv txhais tau ntau yam li classesare, tab sis cov module lo lus tseem ceeb yog siv nyob rau hauv qhov chaw ntawm lub classkeyword.
Tom qab ntawd, ib tug kuj nug, dab tsi yog pab hauv Rails?
Rails “ tus pab ” yog saib tshwj xeeb heev tus pab . Lawv tau cia li suav nrog kev tshuaj xyuas, tab sis tsis nyob hauv cov tswj lossis cov qauv. Qhov ntawd yog ntawm lub hom phiaj. Code hauv daim ntawv thov tus pab suav nrog txhua qhov kev pom hauv koj daim ntawv thov.
Dab tsi yog mixin hauv Ruby?
A mixin tuaj yeem pib xav tias yog txheej txheej code uas tuaj yeem muab ntxiv rau ib lossis ntau cov chav kawm ntxiv rau kev muaj peev xwm ntxiv yam tsis siv qhov qub txeeg qub teg. Hauv Ruby , a mixin yog code qhwv nyob rau hauv ib tug module uas ib chav kawm caninclude los yog txuas ntxiv (ntxiv rau cov nqe lus tom qab). Qhov tseeb, ib chav kawm ib leeg tuaj yeem muaj ntau yam mixins.
Pom zoo:
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