from flask import Flaskapp = Flask(__name__)@app.route('/')
def index():return '<h1>hello world</h1>'app.run()

from flask import Flask
from flask_script import Managerapp = Flask(__name__)manager = Manager(app=app)@app.route('/')
def index():a = 10b = 0c = a/10return '<h1>hello world</h1>'if __name__=='__main__':# app.run(debug=True, port=8000, host='0.0.0.0')manager.run()

(venv) D:\python3\_Flask>python hello.py runserver* Serving Flask app "hello" (lazy loading)* Environment: productionWARNING: Do not use the development server in a production environment.Use a production WSGI server instead.* Debug mode: off* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

(venv) D:\python3\_Flask>python hello.py runserver -d -r -h 0.0.0.0 -p 8000* Serving Flask app "hello" (lazy loading)* Environment: productionWARNING: Do not use the development server in a production environment.Use a production WSGI server instead.* Debug mode: on* Restarting with stat* Debugger is active!* Debugger PIN: 184-573-979* Running on http://0.0.0.0:8000/ (Press CTRL+C to quit)

@app.route('/params/<ni>/')
def params(ni):return '获取参数' +  ni@app.route('/get/<string:name>/')
def get_name(name):return '获取name' + name@app.route('/get_age/<int:age>/')
def get_age(age):return age#会将斜线认为是字符
@app.route('/get_path/<path:Path>/')
def get_path(Path):return Path@app.route('/get_uuid/<uuid:id>/')
def get_uuid(id):return id.uuid64()#从列出的元组中的任意一个
@app.route('/get_any/<any(c, d, e):any>/')
def get_any(any):return any

@app.route('/get_any/<any(c, d, e):any>/', methods = ['GET', 'POST'])
def get_any(any):return any

@app.route('/url')
def url():print(url_for('get_any', any='c'))return '反向解析'