django ORM

安装

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple django==2.2
pip install pymysql  #django 使用pymysql作为数据库连接引擎

配置

#__init__.py
#使用pymysql 替代mysqlDB作为mysql 引擎

import pymysql
pymysql.install_as_MySQLdb() 

#settings.py  
DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.mysql",
        "NAME": "devops",
        "USER": "actor",
        "PASSWORD": "xxxx",
        "HOST": "10.1.1.2",
        "PORT": "3306",
    }
}

定义数据库表

#models.py

from django.db import models
# Create your models here.
class Person(models.Model):
    first_name = models.CharField(max_length=30)
    last_name = models.CharField(max_length=30)

创建表

python manage.py makemigrations  #生成配置
python manage.py migrate　　　　　　#将配置在数据库中生效