Lub cim twg tuaj yeem siv los txheeb xyuas tus neeg siv txoj hauv kev hauv JSP?
Lub cim twg tuaj yeem siv los txheeb xyuas tus neeg siv txoj hauv kev hauv JSP?

Video: Lub cim twg tuaj yeem siv los txheeb xyuas tus neeg siv txoj hauv kev hauv JSP?

Video: Lub cim twg tuaj yeem siv los txheeb xyuas tus neeg siv txoj hauv kev hauv JSP?
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Hlis ntuj nqeg
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Tshaj tawm tag yog ib qho ntawm cov ntsiab lus scripting hauv JSP . Qhov no Tag yog siv rau tshaj tawm cov variables. Nrog rau qhov no, Tshaj Tawm Tag tau kuj tshaj tawm txoj kev thiab chav kawm. Jsp initializer scans cov cai thiab nrhiav cov lus tshaj tawm tag thiab pib tag nrho cov kev hloov pauv, txoj kev thiab chav kawm.

Tsis tas li ntawd kom paub yog, dab tsi yog daim ntawv tshaj tawm hauv JSP?

JSP tshaj tawm . A declaration tag yog ib daim ntawm Java code rau tshaj tawm qhov sib txawv, txoj hauv kev thiab cov chav kawm. Yog peb tshaj tawm ib qho txawv txav los yog txoj hauv kev declaration tag nws txhais tau tias cov tshaj tawm yog tsim nyob rau hauv cov chav kawm servlet tab sis sab nraum txoj kev pabcuam.

Kuj Paub, Scriptlet tag yog dab tsi? Hauv JavaServer Pages (JSP) thev naus laus zis, a tsab ntawv yog ib daim ntawm Java-code embedded hauv HTML-zoo li JSP code. Cov tsab ntawv yog txhua yam nyob rau hauv tag . Nruab nrab ntawm cov neeg siv tuaj yeem ntxiv qhov siv tau Scriptlet i.e. ib qho siv tau Java Code. Hauv AppleScript, a tsab ntawv yog ib tsab ntawv me me.

Yog li ntawd, dab tsi yog cov cim tseem ceeb hauv JSP?

JSP Kev ua Cim npe Ntawm ntau yam muaj tag , feem ntau yog cov muaj xws li cov lus qhia, rau pem hauv ntej tag , uas hloov tswj mus rau qhov URL dynamic lossis zoo li qub thiab sivBean tag , uas tso cai rau a JSP los tsim lossis tau txais ib qho piv txwv ntawm cov khoom siv rov siv tau uas ua haujlwm nrog Java hu ua JavaBean.

Cov ntaub ntawv JSP yog dab tsi?

Ib nplooj ntawv HTML uas muaj kev siv rau Java servlet JSP yog a ntaub ntawv extension rau Java Server Pages ntaub ntawv hom ntawv. A JSP yog nplooj ntawv HTML uas muaj kev siv rau Java servlets, lossis, java server sab applets. JSP cov ntaub ntawv pab xa cov neeg rau zaub mov sab customized cov ntsiab lus ntawm lub vev xaib los ntawm servlets.

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