python flask demo

vi hello.py

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

@app.route('/')
def hello_flask():
    return "<h1>hello, Flask!</h1>"

@app.route('/test', methods=['POST'])
def post_Data():
    print('hh')
    postdata = request.form['id']
    recognize_info = {'id': postdata, 'info': 'recv:'}
    return jsonify(recognize_info), 201

@app.route('/user/<u_id>')
def user_info(u_id):
        return {
              "msg":"success",
              "data":{
                "id": u_id,
                "username": 'yuz',
                "age": 18
          }
        }
if __name__=='__main__':
    app.debug=True
    app.run(host='0.0.0.0',port=5000)