执行在这段代码我的数据库中并没有生成表
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = 'mysql+pymysql://root:962464@127.0.0.1:3306/orm'
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
db = SQLAlchemy(app)
class book(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(32))
@app.route('/')
def hh():
return 'hello'
if __name__ == '__main__':
db.create_all()
app.run(debug=True)