Video: Cov lus nug thiab kev hloov pauv hauv GraphQL yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
GraphQL - Kev hloov pauv . Hloov cov lus nug hloov kho cov ntaub ntawv hauv cov ntaub ntawv khaws cia thiab xa rov qab tus nqi. Nws tuaj yeem siv los ntxig, hloov kho, lossis tshem tawm cov ntaub ntawv. Kev hloov pauv txhais tau tias yog ib feem ntawm lub schema.
Ib yam li ntawd, kev hloov pauv hauv GraphQL yog dab tsi?
GraphQL - Kev hloov pauv . Kev hloov pauv queries hloov cov ntaub ntawv nyob rau hauv cov ntaub ntawv khaws cia thiab xa ib tug nqi. Nws tuaj yeem siv los ntxig, hloov kho, lossis tshem tawm cov ntaub ntawv. Kev hloov pauv txhais tau tias yog ib feem ntawm lub schema.
Qhov thib ob, koj ua li cas dhau cov lus nug sib txawv hauv GraphiQL? GraphQL cov lus qhia ceev: Yuav ua li cas dhau qhov hloov pauv hauv GraphiQL
- mutation rau tsim cov neeg siv nrog inline sib cav. Hloov pauv hauv GraphiQL.
- mutation rau tsim cov neeg siv nrog variables. Yog tias peb xav siv cov kev hloov pauv hauv GraphiQL tsuas yog nyem rau ntawm QUERY VARIABLES vaj huam sib luag hauv qab ntawm koj lub vijtsam thiab dhau cov cai hauv qab no.
- piv txwv ntawm JSON nrog hloov pauv.
Kuj kom paub, koj sim hloov pauv hauv GraphQL li cas?
Hu rau xeem los ntawm kuaj dhau li thawj qhov kev sib cav yog tias xeem yuav tsum dhau, raws li kev sib cav thib ob kev hloov pauv thiab raws li ib feem peb ntawm qhov hloov pauv uas cov tswv yim xav tau.
Thawj kauj ruam:
- Import lub pob easygraphql-tester.
- Nyeem GraphQL schema.
- Pib lub tester thiab dhau lub schemaCode rau nws.
GraphQL lus nug yog dab tsi?
A GraphQL lus nug yog siv los nyeem lossis nqa cov txiaj ntsig thaum kev hloov pauv yog siv los sau lossis tshaj tawm qhov txiaj ntsig. Nyob rau hauv ob qho tib si, kev ua haujlwm yog ib txoj hlua yooj yim uas a GraphQL server tuaj yeem txheeb xyuas thiab teb nrog cov ntaub ntawv hauv ib hom ntawv tshwj xeeb. GraphQL cov lus nug pab kom txo tau cov ntaub ntawv.
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