Cookie

Session

# views.py: 路由 + 视图函数
import datetime

from flask import Blueprint, render_template, request, redirect, session
from .models import *

# 蓝图
blue = Blueprint('user', __name__)


# 首页 可以写两个路由，都是访问同一个函数
@blue.route('/')
@blue.route('/home/')
def home():
    # 4. 获取cookie
    # username = request.cookies.get('user')
    # 获取session
    username = session.get('user')
    print('username',username)
    return render_template('home.html', username=username)


# 登录
@blue.route('/login/', methods=['GET', 'POST'])
def login():
    # GET：访问登录页面
    if request.method == 'GET':
        return render_template('login.html')
    # POST: 实现登录功能
    elif request.method == 'POST':
        pass
        # 1. 获取前端提交过来的数据
        username = request.form.get('username')
        password = request.form.get('password')
        # 2. 模拟登录：用户名和密码验证
        if username == 'lisi' and password == '123':
            # 登录成功
            response