debug flask powershel
$env:FLASK_ENV = "development"debug flask powershel
$env:FLASK_ENV = "development"flask how to run app
$ export FLASK_APP=hello.py
$ python -m flask run
* Running on http://127.0.0.1:5000/simple flask app
# Extremely simple flask application, will display 'Hello World!' on the screen when you run it
# Access it by running it, then going to whatever port its running on (It'll say which port it's running on).
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello, World!'
if __name__ == '__main__':
app.run()get arguments from url flask
from flask import request
@app.route(...)
def login():
username = request.args.get('username')
password = request.args.get('password')flask.pocoo.org quickstart
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello, World!'default flask app
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return 'Flask'Copyright © 2021 Codeinu
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