Cov duab hom bitmap feem ntau yog JPEG. Hauv Adobe Photoshop thiab lwm cov duab los kho, muaj cov lej teeb tsa uas cuam tshuam zoo rau cov duab zoo nyob hauv hom ntawv no.
Cov Lus Qhia
Kauj ruam 1
Tus pib yuav tsum tsis txhob nkag mus tob rau txoj kev xav, tab sis koj yuav tsum paub meej tias JPEG yog ib hom ntawv nrog lub compression algorithm. Ib daim ntawv ntawm hom ntawv no tuaj yeem muaj cov ntawv txuas ntxiv, piv txwv li?.jpg,.jfif,.jpg,.jpg, lossis.jpg. Nws yooj yim heev rau qhov nws yuav siv ntau qhov chaw tsawg dua li cov duab zoo sib xws hauv TIFF lossis BMP hom. Tsis zoo li tom kawg, nws muaj tsawg dua cov ntaub ntawv hais txog daim duab. Thaum saib cov ntawv qub ntawm tus saib, qhov no yuav tsis pom zoo heev, tab sis thaum luam ntawv yees duab hauv qhov chaw kuaj lossis txheej txheem, qhov tshwm sim tuaj yeem yuav qis dua li cov qauv uas muaj cov ncauj lus tag nrho.
Kauj ruam 2
Txoj kev koj txuag JPEG nyob ntawm qhov koj xav tau ntau. Ua ntej khaws daim duab, txiav txim siab seb koj puas yuav ua cov txheej txheem, luam tawm ntawm cov ntawv thaij duab, lossis yog tias koj tsuas xav tso daim duab ntawm nplooj ntawv hauv Is Taws Nem.
Kauj ruam 3
Txog kev txuas ntxiv lossis luam tawm hauv chav tsaus ntuj, txuag cov duab ntawm qhov siab tshaj plaws thiab qhov loj me. Thaum txuag cov duab koj tab tom nrhiav, qhib Cov Ntawv Qhia File thiab xaiv Save as. Xaiv cov ntawv qhia chaw uas cov ntawv yuav khaws tseg. Hauv thawj kab, sau lub npe, thiab hauv kab thib ob, xaiv hom JPEG thiab nyem rau lub pob Tseg. Yog tias koj tau tswj cov ntaub ntawv, lub thawv yuav tshwm sim nrog qhov kev xaiv ntawm qhov zoo ntawm cov duab khaws tseg. Xaiv cov txiaj ntsig zoo tshaj plaws nrog kab los yog tus lej sib nug xov tooj 12. Paub meej tias kev xaiv los ntawm nias Ok. Yog tias koj tsis tau ua txhua qhov kev ntxias nrog cov duab, tom qab ntawd txuag nws, lub npov xov tooj nrog kev xaiv ntawm JPEG zoo yuav tsis qhib.
Kauj ruam 4
Thaum txuag ib daim duab rau kev tshaj tawm hauv Is Taws Nem, cov khoom siv niaj hnub lawv tus kheej tuaj yeem hloov qhov loj thiab tsis zoo ntawm cov rub tawm JPEG. Txawm li cas los xij, nyob rau qee kis koj yuav tsum tau ua koj tus kheej. Ua ntej txuag daim duab, rov qab nws dua los ntawm mus rau Duab Daim Ntawv Qhia thiab xaiv Duab Loj. Nco ntsoov tias lub thawv Constrain Proportions tau txheeb xyuas. Xaiv lub ntsuas ntawm qhov ntsuas uas yooj yim rau koj: centimeters, pixels, nti lossis millimeters, sau tus naj npawb qhov tsim nyog rau ib qho ntawm ob sab thiab nias Ok (feem ntau, cov duab txij li 800 txog 1500 pixels nyob rau sab loj dua yog siv rau cov nplooj ntawv web). Txuag qhov tshwm sim nrog qis zoo. Nrog nws cov nuj nqis ntawm 8 txog 10 thiab cov duab me me, pom qhov sib txawv ntawm daim tseem loj yog qhov tsawg, tab sis cov ntawv loj yog qhov tsawg dua.
Kauj ruam 5
Tsis tas li ntawd nyob rau hauv Adobe Photoshop muaj qhov tshwj xeeb coj los ua kom zoo thiab txuag cov duab rau cov nplooj ntawv web, uas yuav yooj yim dua. Los ntawm Cov Ntawv Qhia Cov Ntawv, xaiv Txuag rau Web. Hauv cov ntawv qhib uas qhib, koj yuav tau qhia nrog lub qhov rai saib ua ntej rau cov duab khaws tseg thiab ob peb txoj kev xaiv rau kev teeb tsa. Xaiv lub 4-up lossis 2-up tab. Qhov kev zov me nyuam yuav nthuav qhia koj nrog plaub lossis ob qhov kev xaiv ua tau rau cov duab optimized. Txhawm rau kom txuag tau ib qho uas haum, tsuas yog nyem rau ntawm daim duab thiab nyem Txuag. Yog tias koj tsis tshua txaus siab rau cov kev xaiv, tom qab ntawd xub siv cov cuab yeej uas nyob rau sab xis ntawm daim duab.
