Puas yog http synchronous?
Puas yog http synchronous?

Video: Puas yog http synchronous?

Video: Puas yog http synchronous?
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Anonim

HTTP yog a synchronous raws tu qauv: tus neeg thov kev thov thiab tos rau cov lus teb. Nyob rau hauv sib piv rau HTTP , cov lus hla (piv txwv li dhau AMQP, lossis nruab nrab ntawm Akka cov neeg ua yeeb yam) yog asynchronous. Raws li tus neeg xa khoom, feem ntau koj tsis tos kom teb.

Hauv qhov no, yog HTTP POST synchronous lossis asynchronous?

HTTP yog synchronous hauv kev nkag siab tias txhua thov tau teb, tab sis asynchronous hauv kev nkag siab tias kev thov siv sijhawm ntev thiab ntau qhov kev thov tuaj yeem ua tiav ua ke.

Tsis tas li ntawd, qhov kev thov synchronous yog dab tsi? Synchronous : A synchronous thov thaiv tus neeg siv khoom kom txog thaum ua tiav. Nyob rau hauv tas li ntawd, javascript engine ntawm lub browser raug thaiv. Asynchronous Ib qho asynchronous thov tsis thaiv tus neeg siv khoom xws li browser yog teb. Lub sijhawm ntawd, tus neeg siv tuaj yeem ua lwm yam haujlwm.

Tsis tas li ntawd, puas yog REST API synchronous?

REST cov kev pab cuam tsis muaj dab tsi ua nrog Synchronous los yog asynchronous. Client Side: Cov neeg hu xov tooj yuav tsum txhawb nqa asynchronous kom ua tiav nws zoo li AJAX hauv browser. Yog, koj tuaj yeem muaj Asynchronous thiab Synchronous Web Service. Koj tuaj yeem siv ib qho ntawm cov txheej txheem xws li Restlet, JAXB, JAX-RS.

Puas yog JS synchronous lossis asynchronous?

JavaScript yog ib txwm synchronous thiab ib leeg xov. JavaScript yog xwb asynchronous hauv kev nkag siab tias nws tuaj yeem ua, piv txwv li, Ajax hu. Kev hu xov tooj Ajax yuav tsum tso tseg thiab lwm tus lej yuav tuaj yeem ua tiav kom txog thaum hu rov qab (ua tiav lossis lwm yam), thaum lub sijhawm hu rov qab yuav khiav. synchronously.

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