增加:
user =
db.session.add(user)
db.session.commit()
#增加
user = User(username ='JACKSON',password='0328' )
db.session.add(user)
db.session.commit()
查询:
User.query.filter(User.username == 'mis1114').first()
#查询
user=User.query.filter(User.username =='JACKSON').first()
print(user.username,user.password)
修改:
user.password = '111111'
db.session.commit()
#修改
user=User.query.filter(User.username =='JACKSON').first()
user.password='0116'
db.session.commit()
删除:
db.session.delete(user)
db.session.commit()
#删除
user=User.query.filter(User.username =='JACKSON').first()
db.session.delete(user)
db.session.commit()