通过用户模型，对数据库进行增删改查操作。
时间：2021-07-01 10:21:17
帮助过：3人阅读
flask
import Flask
from flask_sqlalchemy
import SQLAlchemy
import config
app = Flask(
__name__)
app.config.from_object(config)
db=
SQLAlchemy(app)
class User(db.Model):
__tablename__=
‘user‘
id=db.Column(db.Integer,primary_key=True,autoincrement=
True)
username=db.Column(db.String(20),nullable=
False)
password = db.Column(db.String(20), nullable=
False)
nickname = db.Column(db.String(20
))
db.create_all()
user =
db.session.add(user)
db.session.commit()
User.query.filter(User.username ==
‘mis1114‘).first()
user.password =
‘111111‘
db.session.commit()
db.session.delete(user)
db.session.commit()
@app.route(‘/‘)
def hello_world():
return ‘Hello World!‘
if __name__ ==
‘__main__‘:
app.run()
SQLALCHEMY_DATABASE_URI = ‘mysql+pymysql://root:@127.0.0.1:3306/mis15?charset=utf8‘
SQLALCHEMY_TRACK_MODIFICATIONS = False
通过用户模型，对数据库进行增删改查操作。
标签：database name query har from .com int ati __name__
