学习 Python Flask+Django web 框架 使用Flask-SQLAlchemy管理数据库 遇到的难题

 1 # -*- coding: utf-8 -*-
 2 import os
 3 from flask import Flask
 4 from itsdangerous import TimedJSONWebSignatureSerializer as Serializer
 5 from flask import current_app
 6 from .import db
 7 from flask_sqlalchemy import SQLAlchemy
 8 from werkzeug.security import generate_password_hash, check_password_hash
 9 from flask_login import UserMixin
10 from flask_login import login_required
11 from flask_moment import Moment
12 from flask_bootstrap import Bootstrap
13 from .import login_manager
14 
15 basedir = os.path.abspath(os.path.dirname(__file__))
16 
17 app = Flask(__name__)
18 #配置数据
19 app.config[‘SECRET_KEY‘] = ‘stong key‘
20 app.config[‘SQLALCHEMY_DATABASE_URI‘] = ‘mysql://root:xsx1107@127.0.0.1:3306/flask‘
21 app.config[‘SQLALCHEMY_COMMIT_TEARDOWN‘] = True
22 bootstrap = Bootstrap(app)
23 moment    = Moment(app)
24 db = SQLAlchemy(app)
25 
26 app.run(debug=True)