1. 拼寫錯(cuò)誤. SQLALCHEMY_COMMIT_ON_TEARDOWN 而非SQLALCHEMY_ON_TEARDOWN.
2. SQLALCHEMY_COMMIT_ON_TEARDOWN是被去除了, 而非用SQLALCHEMY_TRACK_MODIFICATIONS代替.
參見(jiàn): https://github.com/mitsuhiko/flask-sqlalchemy/issues/216
后者的作用參見(jiàn):http://flask-sqlalchemy.pocoo.org/2.1/signals/
關(guān)于flask-sqlalchemy中數(shù)據(jù)庫(kù)操作的問(wèn)題整理此文為本人原創(chuàng)，最早發(fā)布于求助《Flask Web 開(kāi)發(fā)》第五章關(guān)于數(shù)據(jù)庫(kù)db.session.add()和db.session.commit()問(wèn)題。內(nèi)容并不完善，持續(xù)更新...
