创建django
创建：django-admin.py startproject xxx
app创建：python manage.py startapp xxx
启动：python3 manage.py runserver
数据库：python3 manage.py makemigrations
python3 manage.py migrate
创建：django-admin.py startproject xxx
app创建：python manage.py startapp xxx
启动：python3 manage.py runserver
数据库：python3 manage.py makemigrations
python3 manage.py migrate