增加:
db.session.add(user)
db.session.commit()
class User(db.Model): __tablename__='user' id=db.Column(db.Integer,primary_key=TabError,autoincrement=True) username = db.Column(db.String(20), nullable=False) password = db.Column(db.String(20), nullable=False) user=User(username='mavenlon',password='666666') db.session.add(user) db.session.commit()
查询:
User.query.filter(User.username == 'mis1114').first()
user=User.query.filter(User.username == 'mavenlon').first() print(user.username,user.password)
修改:
user.password = '111111'
db.session.commit()
user=User.query.filter(User.username == 'mavenlon').first() user.password=7777777 db.session.commit() print(user.password)
删除:
db.session.delete(user)
db.session.commit()
user=User.query.filter(User.username == 'mavenlon').first() db.session.delete(user) db.session.commit()