1、清空数据库
python manage.py flush
2、创建数据库表
python manage.py makemigrations
3、创建APP
python manage.py startapp app_name
4、新建一个Django project
django-admin.py startproject project_name
5、创建超级用户
python manage.py createsuperuser
5、导入导出数据
python manage.py dumpdata appname > appname.json
python manage.py loaddata appname.json
