分页初版:
(1)建一项目:
(2) models.py中:
from django.db import models class Publisher(models.Model): name = models.CharField(max_length=12) addr = models.CharField(max_length=255)
python manage.py makemigrations
python manage.py migrate
(3)piliang.py中:
我想在数据库中创建500条数据/500个出版社？--怎么批量创建
import os if __name__ == '__main__': os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'about_page.settings') import django django.setup() from app01.models import Publisher # 先创建500个Publisher对象 obj_list = (Publisher(name='小三{}'.format(i),addr='小四{}'.format(i)) for i in range(500)) #bulk_create--一次创建完一次提交 Publisher.objects.bulk_create(obj_list)
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