flask踩坑记录：sqlalchemy出现DetachedInstanceError的解决方法问题原因 问题分析解决方法 总结
最近写flask遇到了sqlalchemy抛出DetachedInstanceError异常sqlalchemy.orm.exc.DetachedInstanceError: Instance <StockMonitor at 0x2139afa1508> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: http://
