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pip install flask-migrate
# 文件:manage.py from flask_migrate import migrate from flask_sqlalchemy import sqlalchemy from flask import flask dbuser = "root" dbpwd = "root" dbname = "flask_db_1" dbhost = "127.0.0.1" dbport = 3306 database_url = 'mysql+pymysql://{}:{}@{}:{}/{}?charset=utf8'.format( dbuser, dbpwd, dbhost, dbport, dbname) app = flask(__name__) app.config["sqlalchemy_database_uri"] = database_url app.config["sqlalchemy_track_modifications"] = false db = sqlalchemy() migrate = migrate() migrate.init_app(app=app, db=db) db.init_app(app) class user(db.model): id = db.column(db.integer, autoincrement=true, primary_key=true) name = db.column(db.string(32)) if __name__ == '__main__': app.run()
首先进入该文件的目录下
相应执行下面的命令
set flask_app=manage.py flask db init flask db migrate flask db upgrade
执行完毕之后,你再去数据库中查看,新建加了一些表,其中就是user表
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