from flask import Flask

from flask import request, Response, jsonify

import random

import string

app = Flask(__name__)

def id_generator(size=20,

                 chars=string.digits + string.ascii_letters):

    """

    定义了一个

    """

    str_ = ""

    for i in range(size):

        i = random.choice(chars)

        str_ += str(i)

    return str_

def response():

    content = '{"result": "%s", "data": "%s"}' % (

        id_generator(4), id_generator(9))

    resp = Response(content)

    resp.headers["Access-Control-Origin"] = '*'

    return resp

@app.route("/")  # 路由

def index():

    return "welcome!"

# http get

@app.route("/query", methods=["GET"])

def query():

    pass

    return jsonify(

        username=id_generator(4),

        password=id_generator(9),

    )

@app.route("/update", methods=["POST"])

def update():

    return response()

@app.route("/delete", methods=["DELEDT"])

def delete():

    return response()

@app.route("/head", methods=['HEAD'])

def head():

    return response()

if __name__ == '__main__':

    app.run(debug=True)