flask-login 生成 cookie,session
Flask-Login login_user() 显示来自 Set-Cookie 标头的加密 cookie

# 模拟一个用户类
class User(UserMixin):
    def __init__(self, id):
        self.id = id

@app.route('/login')
def login():
    # 模拟用户登录过程
    user = User('1')
    login_user(user)
    from flask.sessions import SecureCookieSessionInterface
    from flask import  session

    sessions_data = dict(session)
    cookie_value = SecureCookieSessionInterface().get_signing_serializer(app).dumps(
        {
            '_fresh': sessions_data.get("_fresh"),
            '_id': sessions_data.get("_id"),
            '_user_id': sessions_data.get("_user_id")
        }
    )
    print(cookie_value)
    return 'You have been logged in\n' + cookie_value