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Video: Java JSON thawv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
JSON Hauv Java » 20140107
JSON yog lub teeb-hnyav, hom lus ywj pheej, cov ntaub ntawv sib pauv. Saib JSON .org/ Cov ntaub ntawv hauv pob no siv JSON encoders/decoders hauv Java . Nws kuj suav nrog lub peev xwm los hloov ntawm JSON thiab XML, HTTP headers, ncuav qab zib, thiab CDL. Qhov no yog kev siv cov ntaub ntawv
Ib yam li ntawd, JSON khoom hauv Java yog dab tsi?
A JSONObject yog ib qho unordered sau ntawm tus tseem ceeb thiab tus nqi khub, zoo li Java cov haiv neeg siv daim ntawv qhia. Cov yuam sij yog cov hlua tshwj xeeb uas tsis tuaj yeem ua tsis tau. Cov txiaj ntsig tuaj yeem yog dab tsi los ntawm Boolean, Number, String, JSONArray lossis txawm tias a JSONObject . NULL khoom.
Tsis tas li ntawd, kuv yuav import cov ntaub ntawv JSON li cas rau hauv Dab Ntxwg Nyoog?
- Txoj nyem rau ntawm qhov project dab noj hnub,
- xaiv Properties.
- Xaiv Java Tsim Path.
- Nyem lub tsev qiv ntawv tab.
- nyem add external jars.
- nrhiav json jar(s) thiab ntxiv rau lawv.
Ua raws li qhov xav tau, kuv yuav rub tawm JAR cov ntaub ntawv li cas?
Txheej txheem
- Los ntawm cov ntoo navigation, nyem Configure System> Export Data. Nplooj ntawv Export Data yog tso tawm kom pom.
- Ntawm nplooj ntawv Export Data, nyem lub npe ntawm cov ntaub ntawv JAR uas koj xav rub tawm.
- Ntawm Cov Ntaub Ntawv Download dialog, nyem Txuag.
- Nkag mus rau qhov chaw khaws cov ntaub ntawv, thiab tom qab ntawd nyem Txuag.
JSON qauv yog dab tsi?
JSON (JavaScript Object Notation) yog cov ntaub ntawv sib cuam tshuam sib cuam tshuam. Nws yooj yim rau tib neeg nyeem thiab sau. JSON yog tsim los ntawm ob cov qauv : Ib phau ntawm lub npe / tus nqi khub. Hauv ntau hom lus, qhov no pom tau tias yog ib qho khoom, cov ntaub ntawv, cov qauv, phau ntawv txhais lus, cov lus hash, cov npe tseem ceeb, lossis cov khoom sib koom ua ke.
Pom zoo:
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Dab tsi yog qhov sib txawv ntawm lub thawv thiab lub thawv ntawv thiab lub thawv ntawv yog dab tsi?
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