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4-2_Flask ์‹œ์ž‘ํ•˜๊ธฐ - ์„œ๋ฒ„๋งŒ๋“ค๊ธฐ ๋ณธ๋ฌธ

[WEB ๊ฐœ๋ฐœ]/์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ_์›น๊ฐœ๋ฐœ์ข…ํ•ฉ๋ฐ˜

4-2_Flask ์‹œ์ž‘ํ•˜๊ธฐ - ์„œ๋ฒ„๋งŒ๋“ค๊ธฐ

๋ถ€์‹œ๋งค๋‚˜_HA 2024. 1. 4. 13:58
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1. ํ•ด๋ด

  • ์ด ๊ฒฝ๋กœ๋กœ ๋“ค์–ด๊ฐ€๊ธฐ
  • ์„œ๋ฒ„ ๋งŒ๋“œ๋Š” ํ”„๋ ˆ์ž„์›Œํฌ flask ์„ค์น˜

์ง€๊ธˆ vscode์—์„œ ๊ฐ€์ƒํ™˜๊ฒฝ์ด ์•ˆ ๋งŒ๋“ค์–ด์ ธ์„œ ๊ทธ๊ฑฐ ํ•ด๋ณด๊ณ  ์™€์•ผ ํ•จ.

[[vscode_๊ฐ€์ƒํ™˜๊ฒฝ๋งŒ๋“ค๊ธฐ]]


๊ทธ ๋‹ค์Œ flask ์„ค์น˜ํ•˜๊ธฐ

[[202302031512_pip ๋“ฑ ํ”„๋ ˆ์ž„์› ์„ค์น˜ ๊ด€๋ จ ๋ช…๋ น์–ด]] ์ด๊ฑฐ ์ฐธ๊ณ ํ•ด์„œ ์„ค์น˜ํ•จ

๊ทธ๋Ÿผ, flask ๋ž€?

flask ๋Š” ์„œ๋ฒ„๋ฅผ ํŽธํ•˜๊ฒŒ ๋งŒ๋“ค ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ํ”„๋ ˆ์ž„์›Œํฌ.

vs code ์—์„œ ์ด์ œ ํ•ด๋ณด๊ธฐ

  • app.py
    ํ†ต์ƒ์ ์œผ๋กœ ์ด ์ด๋ฆ„์„ ๋งŽ์ด ์”€

  • ํ”Œ๋ผ์Šคํฌ ์‹œ์ž‘ ์ฝ”๋“œ ์Šค๋‹ˆํŽซ
    from flask import Flask
    app = Flask(__name__)
    

@app.route('/')
def home():
return 'This is Home!'

if name == 'main':
app.run('0.0.0.0',port=5000,debug=True)



- ์•„... ๊ทผ๋ฐ, ์ž๊พธ ์—๋Ÿฌ๊ฐ€ ๋‚จ...๋– ์•ผ ํ•˜๋Š”๋ฐ ์•ˆ ๋œธ 

![](https://i.imgur.com/V6PgA0b.png)


- ํ•ด๊ฒฐ์ฑ… ์ฐพ์Œ 
    - app.py ๋ฅผ ์‹คํ–‰์‹œ์ผœ์•ผ ํ–ˆ์Œ. 
    ![](https://i.imgur.com/O7LKHlL.png)
    - https://spartacodingclub.kr/community/fastqna/all/6329aec0c1c73a9c9c8625c5/localhost%EC%97%90%EC%84%9C%20%EC%97%B0%EA%B2%B0%EC%9D%84%20%EA%B1%B0%EB%B6%80%ED%96%88%EC%8A%B5%EB%8B%88%EB%8B%A4.



<br>

- ๋‚˜๋Š” ๊ณ„์† ํ•ด๋‹น ํด๋”์—์„œ๋งŒ ์‹คํ–‰ํ•˜๊ณ  ์žˆ์—ˆ์Œ. 
    - ์ด๋ ‡๊ฒŒ ๋์—ˆ์–ด์•ผ ํ•จ โญโญ 
    - ์ฆ‰, `python app.py` ์ด๋ ‡๊ฒŒ app.py ํŒŒ์ผ ์ž์ฒด๋ฅผ ์‹คํ–‰์‹œ์ผœ์•ผ -> ์›น ์„œ๋ฒ„๊ฐ€ ์—ด๋ฆผ โญโญโญโญโญ 
    - ํŒŒ์ด์ฌ ์ฝ”๋“œ๋ฅผ ์‹คํ–‰์‹œํ‚จ๋‹ค๊ณ  ์—ด๋ฆฌ๋Š”๊ฒŒ ์•„๋‹˜! 

(venv) C:\Users\user11\Desktop\sparta\projects\prac>python app.py

![](https://i.imgur.com/np6S8h6.png)

![](https://i.imgur.com/qRphdwI.png)



#### โ“โ“โ“โ“โ“ ํŒŒ์ผ ์‹คํ–‰์‹œํ‚ค๋Š” ์ข€ ๋” ์‰ฌ์šด ๋ฐฉ๋ฒ•์€ ์—†์œผ๋ ค๋‚˜? ใ… ใ…  ๋„ˆ๋ฌด ๋ฒˆ๊ฑฐ๋กœ์šด๋ฐ? 
- ์ž๋™ ์—…๋ฐ์ดํŠธ๊ฐ€ ๋˜๋Š” ๊ฒƒ ๊ฐ™์Œ 
![](https://i.imgur.com/Gm4hWtM.png)

- ์œ„์—์„œ ์ž‘์„ฑํ•˜๋ฉด ์‹ค๊ธฐ๊ฐ„ ์—…๋ฐ์ดํŠธ ๋˜๋Š”๊ฒŒ ํ„ฐ๋ฏธ๋„์— ๋œธ 
![](https://i.imgur.com/gUHNEEW.png)



- ์œ„์— ์ฒ˜๋Ÿผ ์ž‘์„ฑํ•˜๊ณ  -> ์ƒˆ๋กœ ๊ณ ์นจํ•˜๋ฉด -> ์ด๋ ‡๊ฒŒ ์“ฐ์ž„ 
![](https://i.imgur.com/7CVhhiV.png)






### ์—๋Ÿฌ ํ•ด๊ฒฐํ•˜๊ณ  ๋‹ค์‹œ ํ•ด๋ณด๊ธฐ 


- ๊ธฐ์กด ํŽ˜์ด์ง€ ๋‹ค์Œ์— mypage ๋งŒ๋“ค๊ธฐ 
``` python 
from flask import Flask
app = Flask(__name__)

@app.route('/')
def home():
   return 'This is Home!'

@app.route('/mypage') #โœ… ์ด๊ฒŒ ์ฒซ ๋„์—์ž„ ๋‹ค์Œ ๋งŒ๋“  ํŽ˜์ด์ง€
def mypage():
   return 'This is Mypage!'

if __name__ == '__main__':  
   app.run('0.0.0.0',port=5000,debug=True)

  • ์ฝ์–ด๋ณด๊ธฐ
    • ๋‚ด ์ปดํ“จํ„ฐ์—์„œ ๋‚ด๊ฐ€ ๋Œ๋ฆฌ๊ณ  ์žˆ๊ณ !
    • ๋‚ด ์ปดํ„ฐ์—์„œ ๋‚ด๊ฐ€ ํฌ๋กฌ์œผ๋กœ ์ ‘์†ํ•˜๊ณ  ์žˆ์–ด!
    • ๊ทธ๋Ÿฌ๋‹ˆ๊นŒ ๋กœ์ปฌ ๊ฐœ๋ฐœํ™˜๊ฒฝ! ์ด์•ผ!!


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