JZTXT

Python flask-sqlalchemy

发布时间 2023-05-03 21:20:04作者: 青山原

安装

pip3 install mysql-connector-python
pip install flask_sqlalchemy

 

/setting.py

class Configs:
    # 数据库信息
    MYSQL_USER = ''
    MYSQL_PWD = ''
    MYSQL_HOST = ''
    MYSQL_PORT = ''
    DBNAME = ''

    # 设置连接数据库路径
    SQLALCHEMY_DATABASE_URI = 'mysql+mysqlconnector://{}:{}@{}:{}/{}'.format(
        MYSQL_USER, MYSQL_PWD, MYSQL_HOST, MYSQL_PORT, DBNAME)
    # 每次请求结束后自动提交数据库中的改动
    SQLALCHEMY_COMMIT_ON_TEARDOWN = True
    # 禁用SQLAlchemy对追踪对象的修改并且发送信号
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    # 操作数据库时显示原始SQL语句
    SQLALCHEMY_ECHO = True

 

flask_test.py

导入设置

import setting

app = Flask(__name__)
app.config.from_object(setting.Configs)

 

app/models/init.py

初始化db


from flask_sqlalchemy import SQLAlchemy
from flask_test import app

db = SQLAlchemy(app)

 

app/models/app_list.py


from app.models import db

class app_list(db.Model):
    __tablename__ = 'HT_DOWNLOADAPP_LIST'

    id = db.Column(db.INT, primary_key=True)
    platform = db.Column(db.INT, index=True, comment="0: Android 1：iOS")
    version = db.Column(db.String(16), index=True)
    build = db.Column(db.String(16), index=True)
    channel = db.Column(db.String(32))
    url = db.Column(db.String(64), nullable=False)
    needs = db.Column(db.String(64),index=True)
    branch = db.Column(db.String(32),index=True)
    packer = db.Column(db.String(32),index=True)
    time = db.Column(db.String(32))

 

dao/init.py

from app.models import db
from app.models.HT_app_list import app_list

#db.create_all()
db.drop_all()

 

flask_test.py

导入dao包，使得建表语句db.create_all()生效

import dao