[공통교육-파이썬 기초] Flask

지상준·2022년 3월 30일

Daegu AI School

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1. 학습한 내용

① Web Browser ↔ Application Server

② Flask

https://flask.palletsprojects.com

Visual Studio Code 설치
설치 후 테스트 (터미널에서 서버를 종료 시킬 수 있다)
라우팅
https://flask.palletsprojects.com/en/2.1.x/quickstart/#routing
수업 중 배운 코드

from flask import Flask

app = Flask(__name__)

topics = [
  {"id":1, "title":"html", "body":"html is ...."},
  {"id":2, "title":"css", "body":"css is ...."},
  {"id":3, "title":"js", "body":"js is ...."}
]

def template(content):
  liTags = ''
  for topic in topics:
    liTags = liTags + f'<li><a href="/read/{topic["id"]}/">{topic["title"]}</a></li>'
  return f'''
  <html>
    <body>
      <h1><a href="/">WEB</a></h1>
      <ol>
        {liTags}
      </ol>
      {content}
      <ul>
        <li><a href="/create/">create</a></li>
      </ul>
    </body>
  </html>
  '''

@app.route("/")
def index():
  return template('<h2>Welcome</h2>Hello, WEB!')

@app.route("/read/<int:id>/")
def read(id):
  title = ''
  body = ''  
  for topic in topics :
    if topic['id'] == id:
      title = topic['title']
      body = topic['body']
      break;
  return template(f'<h2>{title}</h2>{body}')

@app.route('/create/')
def create():
  content = '''
    <form action="/create/">
      <p><input type="text" name="title" placeholder="title"></p>
      <p><textarea name="body" placeholder="body"></textarea></p>
      <p><input type="submit" value="create"></p>
    </form>
  '''
  return template(content)

@app.route('/update/')
def update():
  return 'Update'

app.run()