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CRUD (1) - ๊ฐœ๋… ๋ฐ ํšŒ์›๊ฐ€์ž… ๊ตฌํ˜„ ์‹ค์Šต โ˜„๏ธCRUD : ๋Œ€๋ถ€๋ถ„์˜ ์ปดํ“จํ„ฐ ์†Œํ”„ํŠธ์›จ์–ด๊ฐ€ ๊ฐ€์ง€๋Š” ๊ธฐ๋ณธ์ ์ธ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ ๊ธฐ๋Šฅ CRUD ACTION HTTP Method SQL CREATE ์ƒ์„ฑ POST INSERT READ ์กฐํšŒ GET SELECT UPDATE ์ˆ˜์ • PUT UPDATE DELETE ์‚ญ์ œ DELETE DELETE ๐ŸŒช CRUD ์‹ค์Šต 1. Express ํ”„๋กœ์ ํŠธ ์ƒ์„ฑ (express crud -> cd crud -> npm i) 2. {{uri}}/user ๊ฒฝ๋กœ ์ƒ์„ฑํ•˜๊ธฐ 2-1. crud/app.js์— ์žˆ๋Š” 8์ค„, 23์ค„ ์—†์• ๊ธฐ 2-2. crud/routes/index.js์˜ router.use์— user๋“ฑ๋ก 3. ๊ธฐ์กด index.js ํŒŒ์ผ var express = require('express'); var router = express...
HTTP HTTP : ํ•˜์ดํผ๋ฏธ๋””์–ด ๋ฌธ์„œ๋ฅผ ์ฃผ๊ณ ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š” ํ”„๋กœํ† ์ฝœ (๊ทœ์น™) โœ”๏ธ TCP/ IP & UDP ํ”„๋กœํ† ์ฝœ์„ ์‚ฌ์šฉ โœ”๏ธ 80๋ฒˆ ํฌํŠธ ์‚ฌ์šฉ โœ”๏ธ HTTPS๋Š” 443๋ฒˆ ํฌํŠธ ์‚ฌ์šฉ ๐Ÿฅ‘ Stateless protocol : ๋ฌด์ƒํƒœ ํ”„๋กœํ† ์ฝœ - ์„œ๋ฒ„๊ฐ€ ๋‘ ์š”์ฒญ ๊ฐ„์— ์–ด๋– ํ•œ ๋ฐ์ดํ„ฐ(์ƒํƒœ)๋„ ์œ ์ง€ํ•˜์ง€ ์•Š์Œ , ๋ชจ๋“  ์š”์ฒญ์ด ์ƒํ˜ธ ๋…๋ฆฝ์  - Cookie, Session, Token ๋“ฑ์„ ์‚ฌ์šฉํ•˜์—ฌ ๊ทน๋ณต ๐Ÿ‘€ HTTP Method HTTP Method ACTION REQUEST BODY GET ์กฐํšŒ โŒ POST ์ƒ์„ฑ โœ”๏ธ PUT ์ˆ˜์ • โœ”๏ธ DELETE ์‚ญ์ œ โŒ ๐ŸŒฟ HTTP STATUS CODE ์‘๋‹ต ์ฝ”๋“œ ๋ฒ”์œ„ ํ‘œ์‹œ์ƒํƒœ 2xx ์„ฑ๊ณต์ƒํƒœ 3xx ๋ฆฌ๋‹ค์ด๋ ‰์…˜์„ ์•Œ๋ฆฌ๋Š” ์ƒํƒœ 4xx ์š”์ฒญ ์˜ค๋ฅ˜ 5xx ์„œ๋ฒ„ ๋‚ด๋ถ€ ์˜ค๋ฅ˜ ์‘๋‹ต์ฝ”๋“œ ํ‘œ์‹œ์ƒํƒœ ..
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