GSON thiab JSON yog dab tsi hauv Android?
GSON thiab JSON yog dab tsi hauv Android?

Video: GSON thiab JSON yog dab tsi hauv Android?

Video: GSON thiab JSON yog dab tsi hauv Android?
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Gson yog lub tsev qiv ntawv java uas hloov Java Objects rau hauv lawv JSON sawv cev. Nws kuj tseem siv tau los hloov a JSON txoj hlua mus rau qhov sib npaug Java khoom. JSON yog cov ntawv nyeem, sau nrog JavaScript object notation. Siv Gson hauv ib Android app, peb yuav tsum ntxiv cov kab hauv qab no nyob rau hauv kev vam khom hauv kev tsim.

Kuj nug, qhov txawv ntawm JSON thiab GSON hauv Android yog dab tsi?

5 Teb. GSON yog java API los ntawm Google uas hloov java khoom rau lawv JSON sawv cev thiab vice-versa. Cov lus qhia rau kev teeb tsa thiab cov qauv siv ntawm no. Google Gson yog ib qho yooj yim Java-raws li tsev qiv ntawv los serialize Java khoom rau JSON thiab vice versa.

Ib tug kuj yuav nug, qhov txawv ntawm GSON thiab Jackson yog dab tsi? Cov Gson ntaus hauv gson Nws zoo li ObjectMapper hauv Jackson . Ib txawv Kuv pom ntawm qhov serializing Java khoom rau JSON txoj hlua yog tias los ntawm lub neej ntawd Jackson sau cov khoom uas nws tus nqi yog null. Gson tsuas yog qhov opposite. Muaj ib tug hloov mus hloov lub Jackson default raws li qhia hauv code.

GSON sawv rau dab tsi?

Gson (tseem hu ua Google Gson ) yog ib lub tsev qiv ntawv Java qhib rau serialize thiab deserialize Java khoom rau (thiab los ntawm) JSON.

GSON siv rau dab tsi?

Gson yog lub tsev qiv ntawv Java uas tuaj yeem ua tau siv hloov Java Objects rau hauv lawv cov JSON sawv cev. Nws kuj tuaj yeem ua tau siv los hloov JSON txoj hlua mus rau qhov sib npaug Java khoom. Gson tuaj yeem ua haujlwm nrog arbitrary Java khoom nrog rau cov khoom uas twb muaj lawm uas koj tsis muaj qhov-code ntawm.

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