django-2.2-learn

运行程序

python manage.py runserver

创建 app

python manage.py startapp partapp

修改 views.py, 增加 urls.py,修改 settings.py, urls.py,然后重启 服务即可

模型

• 修改models.py
• python manage.py makemigrations partapp
• python manage.py migrate

操作

• from partapp.models import Person

常用方法

• from datetime import datetime, date
• proxy model出现的理由： Sometimes, however, you only want to change the Python behavior of a model – perhaps to change the default manager, or add a new method.