Kawm yog vim li cas cov dluab tsis tawm hauv koj lub vev xaib thiab yuav kho lawv li cas
Cov laus hais tias "daim duab no muaj nqis txog ib txhiab lus." Qhov no yog qhov tseeb tshaj plaws nyob rau hauv Vev Xaib, qhov twg cov duab spans yog cov tsis paub luv thiab yog li ntawm txoj cai duab tuaj yeem ua los yog ua txhaum ntawm lub tsev kawm ntawv los ntawm kev nyiam mloog zoo thiab koom nrog cov neeg qhua ntev txaus kom lawv kawm tau yam lawv xav tau los kawm lossis ua kev txiav txim siab tias qhov "win" rau qhov chaw. Yog, thaum nws los txog rau ib lub vev xaib, cov duab yuav zoo nkauj tshaj li ib txhiab lus!
Yog li nrog qhov tseem ceeb ntawm cov duab hauv online tsim, cia tom ntej xav txog dab tsi yog koj lub website hais tias yog ib qho duab uas yuav tsum tau nyob hauv lub tsev kawm ntawv tsis thauj khoom? Qhov no tshwm sim tau txawm tias koj muaj cov dluab hauv ntu uas yog ib feem ntawm cov dluab HTML lossis background uas siv rau CSS (thiab koj qhov chaw yuav muaj ob qho no). Cov kab hauv qab yog tias thaum twg ib daim duab tsis tuaj yeem thauj khoom ntawm ib sab, nws ua rau cov qauv zoo tu thiab, qee zaum, tuaj yeem rhuav tshem cov neeg siv ntawm qhov chaw ntawd. Cov "txhiab lo lus" uas cov duab xa yog qhov tsis zoo!
Cia wb mus saib ib co ntawm cov txheej xwm uas nquag siv yog vim li cas cov duab yuav tsis khoom rau hauv ib qho chaw, thiab seb koj yuav tsum nco ntsoov txog thaum twg daws qhov teeb meem no thaum lub caij kuaj .
Cov Ntaub Ntawv Uas Tsis Tsim Nyog
Thaum koj ntxiv dluab rau ib qhov chaw HTML lossis CSS cov ntaub ntawv, koj yuav tsum tsim ib txoj kev rau qhov chaw nyob hauv koj tus qauv directory uas cov ntaub ntawv nyob. Qhov no yog qhov chaws uas qhia qhov browser qhov twg los saib thiab nqa cov duab los ntawm. Feem ntau, qhov no yuav nyob hauv ib lub npe hu ua 'images.' Yog tias txoj kab no thiab cov ntaub ntawv hauv nws tsis muaj tseeb, cov duab yuav tsis ntsaws zoo vim tias qhov browser yuav tsis muaj peev xwm muab cov ntaub ntawv kom yog. Nws yuav ua raws li txoj kev uas koj tau hais rau, tab sis nws yuav ntaus ib lub hnub kawg thiab, tsis txhob tso duab kom pom, yuav tuaj yeem dawb paug.
Kauj ruam 1 hauv kev debugging duab tho teeb meem yog los xyuas kom meej tias cov ntaub ntawv koj tau cim tau muaj tseeb. Tej zaum koj teev cov kev qhia tsis ncaj ncees los sis tsis tau sau cov lus qhia rau hauv qhov directory. Yog tias cov no tsis yog qhov teeb meem, koj yuav muaj lwm qhov teeb meem nrog txoj kev ntawd. Nyeem rau!
Cov Ntaub Ntawv Cov Npe Tsis Muaj
Thaum koj kuaj cov ntaub ntawv cov ntaub ntawv rau koj cov ntaub ntawv, kuj nco ntsoov tias koj tau sau lub npe ntawm daim duab kom raug. Nyob hauv peb cov kev paub, cov npe tsis zoo los yog kev qhaj ntawv tsis yog feem ntau ua rau cov duab teeb meem teeb meem. Nco ntsoov, cov web browsers yog heev unforgiving thaum nws los txog rau cov ntaub ntawv npe. Yog tias koj tsis nco qab ib tsab ntawv los ntawm qhov yuam kev lossis siv daim ntawv tsis yog, tus browser yuav tsis saib cov ntaub ntawv uas zoo sib xws thiab hais tias, "huag, koj zaum meant ib tus, yog lawm?" Tsis tau - yog tias cov ntaub ntawv sau tsis raug, txawm tias nws nyob ze, nws yuav tsis thauj khoom ntawm nplooj ntawv.
Cov Ntaub Ntawv Tsis Txhob Ua Ntej
Qee zaum, koj tuaj yeem muaj lub npe ntawm cov ntaub ntawv kom raug sau, tab sis qhov txuas ntxiv yuav tsis muaj tseeb. Yog hais tias koj tus duab yog ib tus neeg ua ntaub ntawv thov .jpg , tab sis koj HTML yog nrhiav ib .png, yuav muaj ib qho teeb meem. Nco ntsoov koj siv qhov tseeb hom ntaub ntawv rau txhua tus duab thiab tom qab ntawd nco ntsoov koj tau hu rau qhov kev txuas ntxiv tib hauv koj lub website.
Tsis tas li ntawd, saib xyuas cov ntaub ntawv. Yog hais tias koj cov ntaub ntawv xaus nrog .JPG, nrog rau cov tsiaj ntawv tag nrho hauv lub kaus mom, tab sis koj cov cai references .jpg, tag nrho cov kev txo qis, muaj qee qhov web servers uas pom cov ob yog txawv, txawm tias lawv yog tib cov ntawv teev cov ntawv. Cov ntaub ntawv rhiab heev! Qhov no yog vim li cas peb ib txwm tseg peb cov ntaub ntawv nrog txhua tus tsiaj ntawv qis. Ua li ntawd, cia peb pheej siv daim ntawv txo qis hauv peb cov cai, tshem tawm ib qho teeb meem uas peb tau muaj nrog peb cov ntaub ntawv duab.
Cov Ntaub Ntawv Yog Nco
Yog hais tias tus paths rau koj cov duab cov ntaub ntawv yeej muaj tseeb, thiab lub npe thiab cov ntaub ntawv thov ntxiv tseem yuam kev, qhov khoom ntxiv mus xyuas yog kom paub tseeb tias cov ntaub ntawv muaj tau muab tso rau hauv lub web server. Tsis zoo siab mus upload cov ntaub ntawv rau tus neeg rau zaub mov thaum ib qhov chaw yog launched yog ib qho kev ua yuam kev uas yooj yim rau kev saib xyuas.
Yuav ua li cas koj kho qhov teeb meem no? Upload cov dluab, refresh koj lub web page, thiab nws yuav tsum tam sim ntawd tso saib cov ntaub ntawv raws li tau leej twg. Koj tuaj yeem sim rho tawm cov duab ntawm tus neeg rau zaub mov thiab rov xa nws dua. Tej zaum nws yuav zoo li coj txawv txawv, tiam sis peb tau pom txoj hauj lwm no ntau tshaj ib zaug. Qee lub sij hawm cov ntaub ntawv tau corrupted, yog li no "rho tawm thiab hloov" txoj kev yuav xaus mus pab.
Lub vev xaib cov dluab yog Down
Koj yuav li tso siab rau cov duab uas koj qhov chaw siv rau ntawm koj tus kheej cov neeg rau zaub mov, tab sis qee qhov yog, koj tuaj yeem siv cov dluab uas tau muab tso rau lwm qhov chaw. Yog tias qhov chaw khaws cov duab no poob qis, koj cov dluab tsis mus ntsaws los yog.
Hloov Cov Teeb Meem
Txawm hais tias muaj cov ntaub ntawv duab los ntawm lwm tus los sis ntawm koj tus kheej, yeej muaj lub sij hawm uas yuav muaj qhov teeb meem hloov mus rau qhov ua ntaub ntawv thaum nws thawj zaug thov los ntawm qhov browser. Qhov no yuav tsum tsis txhob yog ib qho tshwm sim (yog tias nws yog, koj yuav tsum tau nrhiav ib lub chaw tshiab ), tab sis nws tuaj yeem tshwm sim ib zaug dhau ib zaug.
Qhov tsis muaj hmoo sab ntawm qhov teeb meem no yog tias yeej tsis muaj ib yam dab tsi uas koj tuaj yeem ua rau nws vim nws yog ib qho teeb meem sab nraum koj tswj. Qhov xwm zoo yog tias nws yog ib qho teeb meem uas ib ntus uas feem ntau daws tau zoo heev. Piv txwv li, thaum ib tug neeg pom ib nplooj ntawv tawg lawm thiab ua rau nws zoo siab, tias ib leeg yuav txhim kho qhov teeb meem thiab txhuam cov duab kom zoo dua. Yog tias koj pom ib tus duab tawg, ua kom rov qab qhib qhov browser pom tias nws yog ib qho teeb meem kis mus rau koj thawj zaug thov.
Tsawg Daim Ntawv Sau Tseg kawg
Thaum xav txog cov dluab thiab kev txhawj xeeb txog kev txhawj xeeb, ob yam tseem ceeb los kuj tseem nco ntsoov siv cov ALT cim npe thiab koj lub website ceev thiab tag nrho cov kev ua tau zoo.
ALT, lossis "alternate text", cov cim npe yog qhov tshwm sim los ntawm qhov browser yog tias tus duab tsis khoom. Lawv kuj yog ib qho tseem ceeb hauv kev tsim cov websites siv tau uas siv tau los ntawm cov neeg muaj kev xiam oob khab. Txhua daim duab inline rau hauv koj lub vev xaib yuav tsum muaj qhov ua tau zoo ALT. Nco ntsoov tias cov duab siv nrog CSS tsis muaj qhov yeeb yam no.
Raws li kev ua haujlwm hauv lub vev xaib, thau cov dluab ntau dhau los, lossis txawm tias tsuas yog ob peb cov dluab loj uas tsis zoo rau cov xaij web , yuav muaj feem cuam tsis zoo rau kev ntsaws ceev. Vim li no, nco ntsoov kuaj qhov kev cuam tshuam ntawm cov duab uas koj siv hauv koj lub vev xaib thiab tsim cov kauj ruam uas tsim nyog los txhim kho qhov chaw kawm ntawv thaum tseem tsim txoj kev xav thiab xav tias tsim nyog rau koj lub website.