Pem hauv paus kawg & Kev loj hlob sab nram qab kawg – Qhov txawv ntawv yog dab tsi?
Txheej txheem cej luam
Frontend hab backend yog ob tug lug siv lus hauv web txoj kev loj hlob. Yog hais tias koj muaj tab tom hauv web txoj kev loj hlob, koj yuav tsum brace koj tus kheej mus mloog frontend thiab backend txhua lub sijhawm. Tab sis zoo li cas xyov nws txhais? Yog koj tseem tab tom pib hauv daim teb no, nws yuav tsis yooj yim paub cov sib txawv me ntsis.
Txawm hais tias kev frontend thiab backend yog ob hom sib nrauj web txoj kev loj hlob, lawv yog ib yam li menyuam ntxaib lossis ob kuj tsis paub meej tog ntawm ib npib nyiaj xwb. Ib yam li ib tug neeg lub cev, frontend hab backend yog muaj ob yam kabmob lossis Cheebtsam ntawm txoj kev loj hlob web. Txawm hais tias yog lawv lub zog miv, lawv yuav tau cia siab rau lwm tus kev sib txuas lus thiab kev zov me nyuam muaj hauj lwm ua ib pawg. Nkawd ob leeg ua si Attendance tseem nyob rau hauv lub website txoj hauj lwm zoo thiab functionality. Thiaj ua rau ob leeg no tseem ceeb heev rau ib lub website zoo.
Yog li ntawd, raws li hais thiab sau sib txawv ntawm txoj kev loj hlob Frontend thiab backend. Peb cia siab tias yuav tshem koj lub tswvyim thiab pab koj to taub li cas frontend thiab backend ua hauj lwm ua ke.
Kev loj hlob Frontend
Taw qhia hais
Raws li qhia lub npe, frontend ntawm txhua lub website no yog dab tsi koj INTERACTIONS with. Yog ua tau cov zaub koj mus rau koj tus browser. Nws yog kuj hu ua "kev sab", raws li nws ncaj qha deals nrog cov neeg ua lub ntsej muag ntawm ib lub website. Nws mas cov neeg siv kev comprises, muaj ib chav ntawv nyeem, navigational menus, dluab thiab nyees khawm siv.
Rau thaj, koj xav rov mus tsham cov lag luam thiab koj yog raws li nyob rau hauv cov UK. Lub frontend ntawm lub lag luam ntawd txhaj yuav ib homepage, phau ntawv rau nws, ib tug tshuab raj ua ib navigational, duab, bar nrhiav, Piv flights UK thiab muaj lwm yam kev xaiv tsim nyog. Koj yuav tau ib lub frontend tsim tawm los yog lub tshuab yog tias koj muaj kab ib, mus ua koj lub website.
Haiv lus
Thaum kab ib frontend tsim tawm, koj yuav tsum paub ob peb qhov web kev lug. Tej hom lus tseem ceeb web txoj kev loj hlob uas hais hauv qab no.
HTML: HTML yog ib qhov tseem ceeb coding lus generates thiab siv lub website lub ntsiab lus, li ntawd, nws yuav siv tso rau ib qho browser. Muaj cov subtypes ntawm HTML, Yog koj xav draft muaj hauj lwm rau nws, peb pom zoo koj paub lawv thiab.
JavaScript: JavaScript yog ib txoj kev loj hlob thiab programming cov lus siv hauv cov neeg sib tham sib 'UI' prospects, xws li lub tsev modal, hu rau ntaub ntawv, nco-down menus thiab ntau ntxiv.
CSS: CSS yog ib frontend lus uas yog ib qho tseem ceeb kom paub alongside HTML. Nws txog cov style thiab tsim ib lub website cov ntaub ntawv thiab ntsiab lus, xws li phau ntawv font, xim, cim thiab ntau ntxiv.
Huv tibsi, cov lus tseem ceeb ua txhua yam uas yog cov kev nyob rau ib lub website. Koj yuav tau khiav tej lag luam, ntawm ib apparel thiab ris tsho cia, cov kev ua si zoo nyob rau hauv kiab khw, lub koom haum mus ncig teb chaws, aggregator los yog muaj lwm yam hauv internet platform. Koj yuav tsum paub kev front-end lossis siab dua ntawd kws yuav npaj mus nrog nws.
Ntxiv rau cov frontend lus, koj kuj tau mus kawm txawv lug zoo li Bootstrap, Angular, nrog rau kev qiv JavaScript xws li jQuery. Koj kuj yuav tau npaj CSS extensions xws li SASS thiab tsawg.
Txawm hais tias muaj npe ntawm cov chaw muab kev pab uas yuav pab txhawb tau cov lus never-ending, Lub ntsiab lus tseem ceeb yog pab ua ib daim code los tswj thiab koom tes nrog rau kev pab templates thiab cov cuab yeej. Cov cuab yeej kuj siv los saib lawv compatibility.
Kev loj hlob backend
Taw qhia hais
Nrog Frontend txoj kev loj hlob, koj yuav ua tau ib lub website static. Tus txheej txheem yuav tsis ua haujlwm npaum li cas thiab tag nrho cov lus tseem ceeb uas txiav txim seb yog dab tsi rau cov nplooj ntawv yog dab tsi rau frontend code nws tus kheej. Nws yog zoo kawg thiab rau showcasing ua lag ua luam xws li ib portfolio ntawm lub lag luam, tsev noj mov, kev resumes thiab etc. Tab sis rau ib tug kov nyob rau hauv cov neeg siv kev sib tshuam, koj yuav tau ua ib yam dab tsi uas yuav nqa tau koj mus rau lub website, thiab qhov twg koj yuav tau txhais lus ntau tshaj txhua lub website.
Kev Backend los yog yog 'neeg rau zaub mov-sab' txoj kev loj hlob thiab nws yog ib feem ntawm ib tug neeg siv lub website no tsis tau pom. Tab sis ib tug tseem ceeb heev nyob rau hauv interacting nrog nws plays nws. Nws tseem yog lub luag hauj lwm rau lub cia ntawm txhua cov ntaub ntawv, sorting thiab nco ntsoov tias txhua yam yog tseem ua hauj lwm rau lub frontend. Nws connects cov frontend los tau thiab xa cov ntaub ntawv, uas yog ces tso tawm kom pom hauv lub webpage.
Tav twg koj nyem muaj kev xaiv ib lub website, sau ib daim ntawv, ua ib tug tham los muab kev txiav txim, koj ua tau xa ib daim ntawv thov los thov kom tus neeg rau zaub mov-sab. Cov lus no ces thiab ces xa mus rau lub frontend rov qab qhov uas nws yog txhais los ntawm ib tug browser ua thiab pom tias tus neeg siv. Yuav tsum muaj ntau yam pauv bandend components rau koj lub website yog hais tias nws yog ib lub website dynamic lub website. Lub website uas yog dynamic, Lawv xav tau ib tug database khiav thiab khaws tej ntaub ntawv.
Databases
Thaum ua hauj lwm rau kev loj hlob backend, Koj yuav tsum tau cov ntaub ntawv tag nrho cov khoom thiab cov neeg tuaj noj mov thiab tej ntaub ntawv uas tsis pub lwm tus neeg paub. Lub database tej hauj lwm los ntawm kev muab cov ntaub ntawv uas muaj ib lub website thiab pab hauv lub koom haum, editing, retrieving thiab txuag nws. Nws yuav khiav ntawm ib thaj chaw deb tiv thaiv lub computer hu ua tus neeg pab. Tej lub renowned databases yog SQL, MySQL, SQL nyiaj, PostgreSQL, thiab oracle.
Haiv lus:
Ruby: Ruby yog ib qhov dynamic qhib qhov programming lus siv sau yooj yim thiab tuav tswvyim ua. Nws muaj ib tug tsis ncaj ncees syntax uas yog yooj yim nyeem thiab sau ntawv.
PHP: PHP yog ib hom phiaj-lub hom phiaj scripting lus. Nws yog ib qho lus tseem ceeb heev rau cov web sab nraud.
Java: Nws yog ib lub hom phiaj ntawm lwm hom lus, uas yog synchronized, raws li ib hoob kawm, yuav tsum ua raws li cov cai uas tau muab tso npe thov kom muaj tsawg kawg nkaus li.
.Nuj: .Nuj yog ib tug nws cim, khoom siv thiab niaj hnub siv hom lus. Nws belongs rau cov tsev neeg C thiab cov developers paub nrog C #, C, C , Java, thiab JavaScript yeej tau yooj yim ua hauj lwm rau nws.
Nab hab sej: Python yog ib hom lus programming tsim rau ib lub hom phiaj hais-lub hom phiaj. Nws tsom rua kev nyeem ntawv, feem ntau ho siv whitespace.
Nyob rau hauv ib nutshell
Thaum peb txawv backend los ntawm txoj kev loj hlob frontend, Nws tseem ceeb heev rau nkag siab tias nkawd ob leeg zoo li txheem ntawm ib npib. Yog hais tias muaj ib qhov teeb meem nrog rau lub frontend, cov qhab yuav tsim teeb meem; thiab yog muaj teeb meem nyob rau sab nraum qab, lub frontend yuav tsis tau teb cov lus uas yooj yim.
Hais txog sau phau ntawv: Sau daim ntawv no yog ib tug blogger zoo kawg thiab Koj li Auf. Raza leej twg hlub qhua blogging thiab cov ntsiab lus li cas. Tam sim no, Nws ua hauj lwm raws li tus kws muaj txuj tom ntej npau suav ntiaj teb mus txawv tebchaws, Ltd.
