CodeGym /ื‘ืœื•ื’ Java /Random-HE /ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST. ื—ืœืง 1: ืžื”ื™ REST?
John Squirrels
ืจึธืžึธื”
San Francisco

ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST. ื—ืœืง 1: ืžื”ื™ REST?

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ื”ื™ื™! ื”ื™ื•ื ื ืœืžื“ ืขืœ ื ื•ืฉื ืฉืžืื•ื“ ืžืขื ื™ื™ืŸ ื•ื”ื›ื™ ื—ืฉื•ื‘ ืžื‘ื•ืงืฉ ื‘ืฉื•ืง ื”ืขื‘ื•ื“ื”: REST. ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST.  ื—ืœืง 1: ืžื”ื™ REST?  - 1 ื ื—ืœืง ืืช ื”ืกืงื™ืจื” ื”ื›ืœืœื™ืช ืฉืœื ื• ืฉืœ REST ืœืฉืœื•ืฉื” ื—ืœืงื™ื:
  1. ื‘ื—ืœืง ื”ืจืืฉื•ืŸ ื ืกืงื•ืจ ืืช ื”ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ REST ื•ื ืชืืจ ืืช ื”ืขืงืจื•ื ื•ืช ืฉืขืœื™ื”ื ืžื‘ื•ืกืก REST.

  2. ื‘ืฉื ื™ื™ื”, ื ืฉืงื•ืœ ื›ื™ืฆื“ ืžืชืจื—ืฉืช ืชืงืฉื•ืจืช ื‘ื™ืŸ ืœืงื•ื— ืœืฉืจืช ื‘ืืžืฆืขื•ืช ืคืจื•ื˜ื•ืงื•ืœ HTTP.

  3. ื‘ืฉืœื™ืฉื™ืช ื ื›ืชื•ื‘ ืืคืœื™ืงืฆื™ื” ืงื˜ื ื” ืฉืœ RESTful ืื•ืชื” ื ื‘ื“ื•ืง ื‘ืืžืฆืขื•ืช ืชื•ื›ื ื” ื‘ืฉื "Postman".

ื”ืžืืžืจ ืžื™ื•ืขื“ ืœืงื•ืจืื™ื ื”ืžื›ื™ืจื™ื ืืช ื”ืžื•ื ื—ื™ื ื”ื‘ืื™ื:
  • HTTP
  • ื›ืชื•ื‘ืช URL ื•-URI
  • JSON ื• (ื‘ืžื™ื“ื” ืคื—ื•ืชื”) XML
  • ื”ื–ืจืงืช ืชืœื•ืช

ื—ืœืง 1. ืžื” ื–ื” REST?

REST, ื›ืžื• ื›ืœ ื›ืš ื”ืจื‘ื” ื‘ืขื•ืœื ื”-IT, ื”ื•ื ืจืืฉื™ ืชื™ื‘ื•ืช. ื–ื” ื ื’ื–ืจ ืž"ื”ืขื‘ืจืช ืžื“ื™ื ื” ื™ื™ืฆื•ื’ื™ืช" . ื–ื”ื• ืกื’ื ื•ืŸ ืื“ืจื™ื›ืœื™ ืœืื™ื ื˜ืจืืงืฆื™ื” ื‘ื™ืŸ ืจื›ื™ื‘ื™ื ืฉืœ ืžืขืจื›ืช ืžื‘ื•ื–ืจืช ื‘ืจืฉืช ืžื—ืฉื‘ื™ื. ื‘ืžื™ืœื™ื ืคืฉื•ื˜ื•ืช, REST ืงื•ื‘ืข ืืช ืกื’ื ื•ืŸ ื”ืื™ื ื˜ืจืืงืฆื™ื” (ื”ื—ืœืคืช ื ืชื•ื ื™ื) ื‘ื™ืŸ ืจื›ื™ื‘ื™ื ืฉื•ื ื™ื ืฉืœ ื”ืžืขืจื›ืช, ืฉื›ืœ ืื—ื“ ืžื”ื ื™ื›ื•ืœ ืœื”ื™ื•ืช ืžืžื•ืงื ืคื™ื–ื™ืช ื‘ืžืงื•ืžื•ืช ืฉื•ื ื™ื. ืกื’ื ื•ืŸ ืื“ืจื™ื›ืœื™ ื–ื” ื”ื•ื ืงื‘ื•ืฆื” ืขืงื‘ื™ืช ืฉืœ ืื™ืœื•ืฆื™ื ืฉื ื“ื‘ืงื™ื ืืœื™ื”ื ื‘ืขืช ืชื›ื ื•ืŸ ืžืขืจื›ืช ืžื‘ื•ื–ืจืช. ืื™ืœื•ืฆื™ื ืืœื• ื ืงืจืื™ื ืœืคืขืžื™ื ื”ืขืงืจื•ื ื•ืช ื”ืžื ื—ื™ื ืฉืœ REST. ืื™ืŸ ื”ืจื‘ื”, ืจืง 6. ืขืœื™ื”ื ื ื“ื‘ืจ ืงืฆืช ืื—ืจ ื›ืš.
ืืคืœื™ืงืฆื™ื•ืช ืฉื ื‘ื ื• ืชื•ืš ืžื—ืฉื‘ื” ืขืœ ืขืงืจื•ื ื•ืช REST, ื›ืœื•ืžืจ ื›ืืœื• ืฉืื™ื ื ืžืคืจื™ื ืืช ืื™ืœื•ืฆื™ ื”-REST, ื ืงืจืื•ืช "RESTful".

ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ REST

ื”ืžื•ื ื— REST ื”ื•ืฆื’ ืขืœ ื™ื“ื™ ืจื•ื™ ืคื™ืœื“ื™ื ื’, ืื—ื“ ืžื™ื•ืฆืจื™ ืคืจื•ื˜ื•ืงื•ืœ ื”-HTTP, ื‘ื“ื•ืงื˜ื•ืจื˜ ืฉืœื•. ืขื‘ื•ื“ืช ื’ืžืจ ื‘ืฉื "ืกื’ื ื•ื ื•ืช ืืจื›ื™ื˜ืงื˜ื•ื ื™ื™ื ื•ืขื™ืฆื•ื‘ ืืจื›ื™ื˜ืงื˜ื•ืจื•ืช ืชื•ื›ื ื” ืžื‘ื•ืกืกื•ืช ืจืฉืช" ื‘ืฉื ืช 2000. ืœืžืจื•ืช ืฉืขื“ื™ื™ืŸ ืืคืฉืจ ืœืงืจื•ื ืœืžื•ื ื— REST ืฆืขื™ืจ, ื”ืจืขื™ื•ืŸ ืฉื”ื•ื ืžื™ื™ืฆื’ ื ืžืฆื ื‘ืœื™ื‘ื” ืฉืœ ื”-World Wide Web. ืœื ื ืฆืœื•ืœ ืขืžื•ืง ืœืชื•ืš ื”ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ื”ืžื•ื ื—. ืื ืืชื” ืจื•ืฆื” ืœืฆืœื•ืœ ืœืชื•ืš ื”ืžืงื•ืจื•ืช ื”ืขื™ืงืจื™ื™ื, ืขื™ื™ืŸ ื‘ืขื‘ื•ื“ืช ื”ื“ื•ืงื˜ื•ืจื˜ ืฉืœ ืคื™ืœื“ื™ื ื’ .

ืื™ืœื•ืฆื™ื ื•ืขืงืจื•ื ื•ืช REST

ื›ืคื™ ืฉืฆื•ื™ืŸ ืœืขื™ืœ, REST ืžื’ื“ื™ืจ ื›ื™ืฆื“ ื”ืจื›ื™ื‘ื™ื ืฉืœ ืžืขืจื›ืช ืžื‘ื•ื–ืจืช ืฆืจื™ื›ื™ื ืœืงื™ื™ื ืื™ื ื˜ืจืืงืฆื™ื” ื–ื” ืขื ื–ื”. ื‘ืื•ืคืŸ ื›ืœืœื™, ื–ื” ืงื•ืจื” ื‘ืืžืฆืขื•ืช ืชื”ืœื™ืš ืชื’ื•ื‘ื” ืœื‘ืงืฉื”. ื”ืจื›ื™ื‘ ืฉืฉื•ืœื— ืืช ื”ื‘ืงืฉื” ื ืงืจื ื”ืœืงื•ื— , ื•ื”ืจื›ื™ื‘ ืฉืžืขื‘ื“ ืืช ื”ื‘ืงืฉื” ื•ืฉื•ืœื— ืชื’ื•ื‘ื” ืœืœืงื•ื— ื ืงืจื ื”ืฉืจืช . ื‘ืงืฉื•ืช ื•ืชื’ื•ื‘ื•ืช ื ืฉืœื—ื•ืช ืœืจื•ื‘ ื‘ืืžืฆืขื•ืช ืคืจื•ื˜ื•ืงื•ืœ HTTP. HTTP ืจืืฉื™ ืชื™ื‘ื•ืช ืฉืœ HyperText Transfer Protocol. ื‘ื“ืจืš ื›ืœืœ, ืฉืจืช ื”ื•ื ื™ื™ืฉื•ื ืื™ื ื˜ืจื ื˜ ื›ืœืฉื”ื•. ื”ืœืงื•ื— ื™ื›ื•ืœ ืœื”ื™ื•ืช ื›ืžืขื˜ ื›ืœ ื“ื‘ืจ. ืœื“ื•ื’ืžื”, ืืคืœื™ืงืฆื™ื” ืœื ื™ื™ื“ ืฉืžื‘ืงืฉืช ื ืชื•ื ื™ื ืžืฉืจืช. ืื• ื“ืคื“ืคืŸ ืฉืฉื•ืœื— ื‘ืงืฉื•ืช ืžื“ืฃ ืื™ื ื˜ืจื ื˜ ืœืฉืจืช ืขืœ ืžื ืช ืœื”ื•ืจื™ื“ ื ืชื•ื ื™ื. ื™ื™ืฉื•ื A ืขืฉื•ื™ ืœื‘ืงืฉ ื ืชื•ื ื™ื ืžื™ื™ืฉื•ื B. ื‘ืžืงืจื” ื–ื”, A ื”ื•ื ืœืงื•ื— ื‘ื™ื—ืก ืœ-B, ื•-B ื”ื•ื ืฉืจืช ื‘ื™ื—ืก ืœ-A. ื‘ืžืงื‘ื™ืœ, A ื™ื›ื•ืœ ืœืขื‘ื“ ื‘ืงืฉื•ืช ืž-B, C, D ื•ื›ื•'. ื‘ืžืงืจื” ื–ื”, ื™ื™ืฉื•ื A ื”ื•ื ื’ื ืฉืจืช ื•ื’ื ืœืงื•ื—. ื”ื›ืœ ืชืœื•ื™ ื‘ื”ืงืฉืจ. ื“ื‘ืจ ืื—ื“ ื‘ื˜ื•ื—: ื”ืจื›ื™ื‘ ืฉืฉื•ืœื— ืืช ื”ื‘ืงืฉื” ื”ื•ื ื”ืœืงื•ื—. ื”ืจื›ื™ื‘ ืฉืžืงื‘ืœ, ืžืขื‘ื“ ื•ืžื’ื™ื‘ ืœื‘ืงืฉื” ื”ื•ื ื”ืฉืจืช. ืขื ื–ืืช, ืœื ื›ืœ ืžืขืจื›ืช ืฉืžืจื›ื™ื‘ื™ื” ืžืชืงืฉืจื™ื ื‘ืืžืฆืขื•ืช ืชื”ืœื™ืš ืฉืœ ืชื’ื•ื‘ื” ืœื‘ืงืฉื” ื”ื™ื ืžืขืจื›ืช RESTful. ื›ื“ื™ ืฉืžืขืจื›ืช ืชื™ื—ืฉื‘ RESTful, ืขืœื™ื” ืœืขืžื•ื“ ื‘ืฉืฉืช ืื™ืœื•ืฆื™ REST:

1. ืืจื›ื™ื˜ืงื˜ื•ืจืช ืฉืจืช-ืœืงื•ื—

ืื™ืœื•ืฅ ื–ื” ื ื•ื’ืข ืœื”ืคืจื“ืช ื”ื“ืื’ื•ืช. ื™ืฉ ืฆื•ืจืš ืœื”ืคืจื™ื“ ืืช ื”ื“ืจื™ืฉื•ืช ืฉืœ ืžืžืฉืง ื”ืœืงื•ื— ืžื”ื“ืจื™ืฉื•ืช ืฉืœ ื”ืฉืจืช ื”ืžืื—ืกืŸ ืืช ื”ื ืชื•ื ื™ื. ืื™ืœื•ืฅ ื–ื” ื”ื•ืคืš ืืช ืงื•ื“ ื”ืœืงื•ื— ืœื ื™ื™ื“ ื™ื•ืชืจ ืœืคืœื˜ืคื•ืจืžื•ืช ืื—ืจื•ืช, ื•ืคื™ืฉื•ื˜ ืฆื“ ื”ืฉืจืช ืžืฉืคืจ ืืช ืžื“ืจื’ื™ื•ืช ื”ืžืขืจื›ืช. ื”ื‘ื—ื ื” ื‘ื™ืŸ ื”"ืœืงื•ื—" ืœ"ืฉืจืช" ืžืืคืฉืจืช ืœืคืชื— ืื•ืชื ืœืœื ืชืœื•ืช ื–ื” ื‘ื–ื”.

2. ื—ืกืจ ืื–ืจื—ื•ืช

ืืจื›ื™ื˜ืงื˜ื•ืจืช RESTful ื“ื•ืจืฉืช ืžื™ืœื•ื™ ื”ืชื ืื™ื ื”ื‘ืื™ื. ื‘ืชืงื•ืคื” ืฉื‘ื™ืŸ ื‘ืงืฉื•ืช, ืืกื•ืจ ืœืฉืจืช ืœืื—ืกืŸ ืžื™ื“ืข ืขืœ ืžืฆื‘ ื”ืœืงื•ื— ื•ืœื”ื™ืคืš. ื›ืœ ื”ื‘ืงืฉื•ืช ืžื”ืœืงื•ื— ื—ื™ื™ื‘ื•ืช ืœื”ื™ื•ืช ืžื•ืจื›ื‘ื•ืช ื‘ืื•ืคืŸ ืฉื™ื™ืชืŸ ืœืฉืจืช ืืช ื›ืœ ื”ืžื™ื“ืข ื”ื“ืจื•ืฉ ืœื”ืฉืœืžืช ื”ื‘ืงืฉื”. ื›ืš, ื’ื ื”ืฉืจืช ื•ื’ื ื”ืœืงื•ื— ื™ื›ื•ืœื™ื "ืœื”ื‘ื™ืŸ" ื›ืœ ื”ื•ื“ืขื” ืฉื”ืชืงื‘ืœื”, ืžื‘ืœื™ ืœื”ืกืชืžืš ืขืœ ื”ื•ื“ืขื•ืช ืงื•ื“ืžื•ืช.

3. ื ื™ืชืŸ ืœืงื•ื‘ืฅ ืฉืžื•ืจ

ืœืงื•ื—ื•ืช ื™ื›ื•ืœื™ื ืœืฉืžื•ืจ ืชื’ื•ื‘ื•ืช ืฉืจืช ื‘ืžื˜ืžื•ืŸ. ืืœื”, ื‘ืชื•ืจื, ื—ื™ื™ื‘ื™ื ืœื”ื™ื•ืช ืžื•ื’ื“ืจื™ื ื‘ืžืคื•ืจืฉ ืื• ื‘ืžืฉืชืžืข ื›ืฉืžื•ืจื™ื ื‘ืžื˜ืžื•ืŸ ืื• ืฉืื™ื ื ืžืื•ื—ืกื ื™ื ื‘ืžื˜ืžื•ืŸ, ื›ืš ืฉืœืงื•ื—ื•ืช ืœื ื™ืงื‘ืœื• ื ืชื•ื ื™ื ืžื™ื•ืฉื ื™ื ืื• ืฉื’ื•ื™ื™ื ื‘ืชื’ื•ื‘ื” ืœื‘ืงืฉื•ืช ืขื•ืงื‘ื•ืช. ืฉืžื™ืจื” ื ื›ื•ื ื” ื‘ืžื˜ืžื•ืŸ ืขื•ื–ืจืช ืœื‘ื˜ืœ ืœื—ืœื•ื˜ื™ืŸ ืื• ื—ืœืงื™ืช ื—ืœืง ืžื”ืื™ื ื˜ืจืืงืฆื™ื•ืช ืฉืœ ืฉืจืช-ืœืงื•ื—, ื•ืœื”ื’ื‘ื™ืจ ืขื•ื“ ื™ื•ืชืจ ืืช ื‘ื™ืฆื•ืขื™ ื”ืžืขืจื›ืช ื•ืืช ื™ื›ื•ืœืช ื”ื”ืจื—ื‘ื”.

4. ืžืžืฉืง ืื—ื™ื“

ื”ื“ืจื™ืฉื•ืช ื”ื‘ืกื™ืกื™ื•ืช ืฉืœ ืืจื›ื™ื˜ืงื˜ื•ืจืช RESTful ื›ื•ืœืœื•ืช ืžืžืฉืง ืื—ื™ื“ ื•ืื—ื™ื“. ื”ืœืงื•ื— ื—ื™ื™ื‘ ืชืžื™ื“ ืœื”ื‘ื™ืŸ ืืช ื”ืคื•ืจืžื˜ ื•ื”ื›ืชื•ื‘ื•ืช ืฉื”ื•ื ืฆืจื™ืš ืœื”ืฉืชืžืฉ ื‘ื• ื‘ืขืช ืฉืœื™ื—ืช ื‘ืงืฉื”, ื•ื”ืฉืจืช, ื‘ืชื•ืจื•, ื—ื™ื™ื‘ ื’ื ืœื”ื‘ื™ืŸ ืืช ื”ืคื•ืจืžื˜ ืฉื‘ื• ื”ื•ื ืฆืจื™ืš ืœื”ืฉืชืžืฉ ื‘ืขืช ืžืขื ื” ืœื‘ืงืฉื•ืช ื”ืœืงื•ื—. ื”ืื™ื ื˜ืจืืงืฆื™ื” ื”ืขืงื‘ื™ืช ื”ื–ื• ืฉืœ ืœืงื•ื—-ืฉืจืช ืฉืžืชืืจืช โ€‹โ€‹ืžื”, ืื™ืคื”, ื‘ืื™ื–ื• ืฆื•ืจื” ื•ื›ื™ืฆื“ ืœืฉืœื•ื— ื ืชื•ื ื™ื ื”ื™ื ืžืžืฉืง ืžืื•ื—ื“.

5. ืฉื›ื‘ื•ืช

ื‘ืฉื›ื‘ื•ืช, ืื ื• ืžืชื›ื•ื•ื ื™ื ืœืžื‘ื ื” ื”ื”ื™ืจืจื›ื™ ืฉืœ ื”ืจืฉืช. ืœืคืขืžื™ื ืœืงื•ื— ื™ื›ื•ืœ ืœืชืงืฉืจ ื™ืฉื™ืจื•ืช ืขื ื”ืฉืจืช, ื•ืœืคืขืžื™ื ื”ื•ื ืคืฉื•ื˜ ืžืชืงืฉืจ ืขื ืฆื•ืžืช ื‘ื™ื ื™ื™ื. ื”ืฉื™ืžื•ืฉ ื‘ืฉืจืชื™ ื‘ื™ื ื™ื™ื ื™ื›ื•ืœ ืœื”ื’ื‘ื™ืจ ืืช ื”ืžื“ืจื’ื™ื•ืช ื”ื•ื“ื•ืช ืœืื™ื–ื•ืŸ ืขื•ืžืกื™ื ื•ืžื˜ืžื•ืŸ ืžื‘ื•ื–ืจ. ื‘ื•ืื• ื ื‘ื™ื ื“ื•ื’ืžื”. ืชืืจื• ืœืขืฆืžื›ื ืืคืœื™ืงืฆื™ื” ืœื ื™ื™ื“ ืฉืคื•ืคื•ืœืจื™ืช ื‘ื›ืœ ื”ืขื•ืœื. ื—ืœืง ื‘ืœืชื™ ื ืคืจื“ ืžื”ืืคืœื™ืงืฆื™ื” ื›ื•ืœืœ ื˜ืขื™ื ืช ืชืžื•ื ื•ืช. ืžืกืคืจ ื”ืžืฉืชืžืฉื™ื ืฉืœื• ืžื•ื ื™ื ืžื™ืœื™ื•ื ื™ื, ื›ืš ืฉืฉืจืช ื‘ื•ื“ื“ ืœื ื™ื›ื•ืœ ืœื”ืชืžื•ื“ื“ ืขื ืขื•ืžืก ื›ื” ื›ื‘ื“. ื”ืคืจื“ืช ื”ืžืขืจื›ืช ืœืฉื›ื‘ื•ืช ืชืคืชื•ืจ ื‘ืขื™ื” ื–ื•. ืื ื”ืœืงื•ื— ืžื‘ืงืฉ ืชืžื•ื ื” ืžืฆื•ืžืช ื‘ื™ื ื™ื™ื, ืื– ืฆื•ืžืช ื”ื‘ื™ื ื™ื™ื ืžื‘ืงืฉ ืืช ื”ืชืžื•ื ื” ืžื”ืฉืจืช ืฉื”ื›ื™ ืคื—ื•ืช ื˜ืขื•ืŸ ื›ืจื’ืข ื•ืžื—ื–ื™ืจ ืืช ื”ืชืžื•ื ื” ืœืœืงื•ื—. ืื ื”ืžื˜ืžื•ืŸ ืžื™ื•ืฉื ื‘ืฆื•ืจื” ื ื›ื•ื ื” ื‘ื›ืœ ืจืžื” ืฉืœ ื”ื”ื™ืจืจื›ื™ื”, ื ื™ืชืŸ ืœื”ืฉื™ื’ ืžื“ืจื’ื™ื•ืช ื˜ื•ื‘ื” ืฉืœ ื”ืžืขืจื›ืช.

6. ืงื•ื“ ืœืคื™ ื“ืจื™ืฉื” (ืื•ืคืฆื™ื•ื ืœื™)

ืื™ืœื•ืฅ ื–ื” ืžืจืžื– ืฉื”ืœืงื•ื— ื™ื›ื•ืœ ืœื”ืจื—ื™ื‘ ืืช ื”ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช ืฉืœื• ืขืœ ื™ื“ื™ ื”ื•ืจื“ืช ืงื•ื“ ืžื”ืฉืจืช ื‘ืฆื•ืจื” ืฉืœ ื™ื™ืฉื•ืžื•ื ื™ื ืื• ืกืงืจื™ืคื˜ื™ื.

ื”ื™ืชืจื•ื ื•ืช ืฉืœ ืืจื›ื™ื˜ืงื˜ื•ืจื” RESTful

ืœืืคืœื™ืงืฆื™ื•ืช ื”ืขื•ืžื“ื•ืช ื‘ื›ืœ ื”ืื™ืœื•ืฆื™ื ื”ื "ืœ ื™ืฉ ืืช ื”ื™ืชืจื•ื ื•ืช ื”ื‘ืื™ื: ืืžื™ื ื•ืช (ืื™ืŸ ืฆื•ืจืš ืœืฉืžื•ืจ ืืช ืžืฆื‘ ื”ืœืงื•ื—, ืฉืขืœื•ืœ ืœืœื›ืช ืœืื™ื‘ื•ื“)
  • ื‘ื™ืฆื•ืขื™ื (ืขืงื‘ ืฉื™ืžื•ืฉ ื‘ืžื˜ืžื•ืŸ)
  • ืžื“ืจื’ื™ื•ืช
  • ืชืงืฉื•ืจืช ืฉืงื•ืคื”
  • ืžืžืฉืงื™ื ืคืฉื•ื˜ื™ื
  • ื”ึดื˜ึทืœื˜ึฐืœื•ึผืช
  • ื”ื™ื›ื•ืœืช ืœื‘ืฆืข ืฉื™ื ื•ื™ื™ื ื‘ืงืœื•ืช
  • ื™ื›ื•ืœืช ืœื”ืชืคืชื— ื•ืœื”ืกืชื’ืœ ืœื“ืจื™ืฉื•ืช ื—ื“ืฉื•ืช
ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST. ื—ืœืง 2: ืชืงืฉื•ืจืช ื‘ื™ืŸ ืœืงื•ื— ืœืฉืจืช ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST. ื—ืœืง 3: ื‘ื ื™ื™ืช ืฉื™ืจื•ืช RESTful ืขืœ Spring Boot
ื”ืขืจื•ืช
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