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TypeError: Cannot destructure property '๋ณ€์ˆ˜๋ช…' of 'req.body' as it is undefined.

2024. 6. 2. 18:59

request body์— ์˜ฌ๋ฐ”๋ฅธ json ํ˜•์‹์œผ๋กœ ๊ฐ’์„ ๋ณด๋‚ด์คฌ์Œ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ  ์•„๋ž˜์™€ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ๋‚ฌ๋‹ค.

TypeError: Cannot destructure property 'user_id' of 'req.body' as it is undefined.

 

ํ•ด๋‹น ์˜ค๋ฅ˜๋Š” body๊ฐ’์— ์žˆ๋Š” user_id๋ฅผ ์ธ์‹ํ•˜์ง€ ๋ชปํ•œ๋‹ค๋Š” ์˜๋ฏธ์ธ๋ฐ, body๋ฅผ ํŒŒ์‹ฑํ•  ์ˆ˜ ์žˆ๋„๋ก ๋ฏธ๋“ค์›จ์–ด๋ฅผ ์ถ”๊ฐ€ํ•ด์ฃผ์–ด์•ผ ํ•œ๋‹ค.

 

express๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค๋ฉด ์•„๋ž˜ ์ฝ”๋“œ๋ฅผ ์ถ”๊ฐ€ํ•˜์ž. 

const express = require('express')
const app = express();
app.use(express.json());

 

ํ•ด๋‹น ์˜ค๋ฅ˜๋Š” app.use(express.json());์ด ์—†๊ธฐ ๋•Œ๋ฌธ์— ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜์ด๋‹ค.

 

app.use(express.json())์€

Express ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์—์„œ JSON ํ˜•ํƒœ์˜ ์š”์ฒญ(request) body๋ฅผ ํŒŒ์‹ฑ(parse)ํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ๋ฏธ๋“ค์›จ์–ด(middleware)์ด๋‹ค.

 

์ €์ž‘์žํ‘œ์‹œ

'์˜ค๋ฅ˜ํ•ด๊ฒฐ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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