# -*- coding: utf-8 -*-

from flask import Flask, request, url_for
app = Flask(__name__)

@app.route("/")
def hello():
    return "Hell2323o23 World!"

@app.route(‘/user‘, methods=[‘POST‘]) #默认是get方式
def hello_user():
    return ‘hello user‘
@app.route(‘/users/<id>‘)   #传递参数方式1 访问localhost:7999/users/10
def user_id(id):
    return ‘hello world‘+id

@app.route(‘/query_user‘, methods=[‘POST‘]) #传递参数方式2 访问localhost:7999/users?id=10
def query_user():
    id = request.args.get(‘id‘)
    return ‘query_user:‘+id

@app.route(‘/query_url‘)
def query_url():
    return ‘query_url：：:‘+url_for(‘query_user‘) #反倒上面query_user函数的URL
#反向路由就是从视图函数反倒出URL地址
if __name__ == "__main__":
    app.debug = True
    app.run( port=7999)