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# -*- encoding: utf-8 -*-
'''
@File : test_py_orm.py
@License : (C)Copyright 2018-2022
@Modify Time @Author @Version @Desciption
------------ ------- -------- -----------
2023/4/18 10:14 zart20 1.0 None
'''
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
#设置连接数据库的URL
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://root:123123@127.0.0.1:3306/example'
#设置每次请求结束后会自动提交数据库中的改动
app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True
#查询时会显示原始SQL语句
app.config['SQLALCHEMY_ECHO'] = True
db = SQLAlchemy(app)
class Role(db.Model):
# 定义表名
__tablename__ = 'roles'
# 定义列对象
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(64), unique=True)
us = db.relationship('User', backref='role')
class User(db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(64), unique=True, index=True)
email = db.Column(db.String(64),unique=True)
pswd = db.Column(db.String(64))
role_id = db.Column(db.Integer, db.ForeignKey('roles.id'))
if __name__ == '__main__':
db.drop_all()
db.create_all()
ro1 = Role(name='admin')
ro2 = Role(name='user')
db.session.add_all([ro1,ro2])
db.session.commit()
us1 = User(name='wang',email='wang@163.com',pswd='123456',role_id=ro1.id)
us2 = User(name='zhang',email='zhang@189.com',pswd='201512',role_id=ro2.id)
us3 = User(name='chen',email='chen@126.com',pswd='987654',role_id=ro2.id)
us4 = User(name='zhou',email='zhou@163.com',pswd='456789',role_id=ro1.id)
db.session.add_all([us1,us2,us3,us4])
db.session.commit()
app.run(debug=True)