flask default route code example
Example 1: default argument in flask route
@user.route('/<user_id>', defaults={'username': None})
@user.route('/<user_id>/<username>')
def show(user_id, username):
pass
Example 2: default flask app
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return 'Flask'
Example 3: flask site route
from flask import render_template
@app.route('/hello/')
@app.route('/hello/<name>')
def hello(name=None):
return render_template('hello.html', name=name)
---------------------------------------------------
<!doctype html>
<title>Hello from Flask</title>
{% if name %}
<h1>Hello {{ name }}!</h1>
{% else %}
<h1>Hello, World!</h1>
{% endif %}