路由

# -*-coding:utf-8-*-
from flask import Flask,url_for

app = Flask(__name__)

@app.route('/')#简单路由
def hello_world():
    return 'hello world'

@app.route('/user')#另一个简单路由
def hello_user():
    return 'hello user'

@app.route('/users/<id>')#传递参数的路由
def users_id(id):
    return 'hello user:'+id

@app.route('/user_url')#反向路由
def user_url():
    return 'user url:'+url_for('hello_user')

if __name__ == '__main__':
    app.run()