# 數(shù)據(jù)遷移
    # 生成遷移文件
    # 執(zhí)行遷移，根據(jù)遷移文件生成數(shù)據(jù)表
# 集成腳本
from flask import Flask
from flask_script import Manager
from flask_migrate import Migrate, MigrateCommand
from flask_sqlalchemy import SQLAlchemy

class Config(object):
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = "mysql://root@127.0.0.1:3306/demo"
    SQLALCHEMY_TRACK_MODIFICATIONS = False


app = Flask(__name__)
app.config.from_object(Config)
manager = Manager(app)

db = SQLAlchemy(app)


Migrate(app, db)

manager.add_command("mysql", MigrateCommand)

class Book(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(64), nullable=False)
    price = db.Column(db.Integer)


if __name__ == '__main__':
    manager.run()