flask cookie 操作与 session 操作

from flask import Flask

from flask import render_template

from flask import request

from flask import make_response

from datetime import datetime, timedelta

@app.route('/set_cookie')

def set_cookie():

    # 设置 cookie

    response = make_response('Hello World')

    out_date = datetime.today() + timedelta(days=30)

    response.set_cookie('Name', 'Hyman', expires=out_date)

    return response

@app.route('/get_cookie')

def get_cookie():

    # 获取 cookie

    name = request.cookies.get('Name')

    print(name)

    return render_template('cookie.html')

@app.route('/del_cookie')

def del_cookie():

    # 清除 cookie1

    response = make_response('delete cookie')

    response.set_cookie('Name', '', expires=0)

    return response

@app.route('/del_cookie2')

def del_cookie2():

    # 清除 cookie2

    response = make_response('delete cookie2')

    response.delete_cookie('Name')

    return response

import os

from flask import Flask

from flask import session

from datetime import timedelta

app = Flask(__name__)

if __name__ == '__main__':

    app.run(debug=True)

app.config['SECRET_KEY'] = os.urandom(24)   # 设置为 24 位的字符，每次运行服务器都是不同的，所以服务器启动一次上次的 session 就清除。

app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(days=7)  # 设置 session 的保存时间。

@app.route('/')

def index():

    session.permanent = True

    session['username'] = 'xxx'

    return 'Hello World!'

@app.route('/get/')

def get():

    return session.get('username')

@app.route('/delete/')

def delete():

    print(session.get('username'))

    session.pop('username')

    print(session.get('username'))

    return 'delete'

@app.route('/clear/')

def clear():

    print(session.get('username'))

    session.clear()

    print(session.get('username'))

    return 'clear'