Video: Dab tsi yog parsing ib cov ntaub ntawv XML?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A parser yog ib daim ntawv thov uas siv lub cev sawv cev ntawm qee cov ntaub ntawv thiab hloov nws mus rau hauv daim ntawv nco rau qhov kev pab cuam tag nrho siv. Ib XML Parser yog a parser uas yog tsim los nyeem XML thiab tsim ib txoj hauv kev rau cov kev pab cuam siv XML . Muaj ntau hom sib txawv, thiab txhua tus muaj nws qhov zoo.
Tsis tas li ntawd, muaj pes tsawg txoj hauv kev uas peb tuaj yeem txheeb xyuas cov ntaub ntawv XML?
Android muab peb hom XML parser uas yog DOM, SAX thiab XMLPullParser. Ntawm lawv hauv pom zoo XMLPullParser vim nws muaj txiaj ntsig thiab siv tau yooj yim. Yog li peb yuav siv XMLPullParser rau parsing XML . Thawj kauj ruam yog txhawm rau txheeb xyuas cov teb hauv qhov XML cov ntaub ntawv uas koj txaus siab rau.
Ib tug kuj yuav nug, Kuv yuav nyeem ib daim ntawv XML li cas? XML cov ntaub ntawv raug encoded hauv cov ntawv dawb, yog li koj tuaj yeem qhib lawv hauv cov ntawv nyeem thiab tuaj yeem ua kom pom tseeb nyeem nws. Right-click lub XML file thiab xaiv "Qhib Nrog." Qhov no yuav tso saib ib daim ntawv teev cov kev pab cuam los qhib lub ntaub ntawv hauv. Xaiv "Notepad" (Windows) lossis "TextEdit" (Mac).
Yog li ntawd, XML parser ua haujlwm li cas?
XML parser yog ib lub tsev qiv ntawv software lossis ib pob uas muab interface rau cov neeg siv khoom siv ua haujlwm nrog XML cov ntaub ntawv. Nws tshawb xyuas cov hom ntawv kom raug XML cov ntaub ntawv thiab tseem tuaj yeem lees paub qhov XML cov ntaub ntawv. Niaj hnub nimno browsers muaj built-in XML parser . Lub hom phiaj ntawm a parser yog transform XML nyob rau hauv ib tug nyeem tau code.
XML parsing yog dab tsi hauv Java?
XML Parser muab ib txoj hauv kev nkag los yog hloov cov ntaub ntawv hauv ib qho XML ntaub ntawv. Java muab ntau yam kev xaiv rau parse XML cov ntaub ntawv. Hauv qab no yog ntau yam ntawm parers uas feem ntau siv rau parse XML cov ntaub ntawv. StaX Parser -Pars ib XML cov ntaub ntawv zoo ib yam li SAX parser tab sis nyob rau hauv ib txoj kev zoo dua.
Pom zoo:
Cov ntaub ntawv hom thiab cov qauv ntaub ntawv yog dab tsi?
Cov qauv ntaub ntawv yog ib txoj hauv kev piav qhia txog ib txoj hauv kev los npaj cov ntaub ntawv kom ua haujlwm andalogrithms tuaj yeem siv tau yooj yim dua. Ib hom ntaub ntawv piav qhia txog cov ntaub ntawv uas txhua tus sib koom ua ke. Piv txwv li tus lej cov ntaub ntawv hom piav qhia txhua tus lej uas lub khoos phis tawj tuaj yeem ua tau
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