例子
https://github.com/phoenix13suns/myFlask
介绍
http://flask.pocoo.org/docs/0.10/
The Flask Mega-Tutorial
1. project结构
static folder: for css, javascript, image
templates folder: for Jinja2 templates
https://exploreflask.com/organizing.html
app.py config.py requirements.txt static/ templates/
2. hello world example
from flask import Flask app = Flask(__name__) @app.route('/') def hello(): return "hello!" if __name__ == '__main__': app.debug = True app.run()
3. routing with varibale in path
https://exploreflask.com/views.html#url-converters
@app.route('/user/id/<int:user_id>') def profile(user_id): pass
4. handle both POST and GET
@app.route('/rest/<int:restaurant_id>/new/', methods=['GET', 'POST']) def newMenuItem(restaurant_id): if request.method == 'POST': name = request.form['newItemName'] add_item(name, restaurant_id) return redirect(url_for('restaurantMenu', restaurant_id=restaurant_id)) else: rest = get_restaurants_by_id(restaurant_id) return render_template('newmenuitem.html', rest=rest)
5. Jinjia2 template example
{{}} if for expression
{% %}is for statement like if, for, with
https://exploreflask.com/templates.html#a-quick-primer-on-jinja
<body> {% for i in rests %} <div> <p>{{i.id}}</p> <p>{{i.name}}</p> <a href='{{url_for("restaurantMenu", restaurant_id = i.id) }}'>Detail</a> <br><br> </div> {% endfor %} </body>
