from django.db import models

# Create your models here.

class Publisher(models.Model):

    id = models.AutoField(primary_key=True)

    name = models.CharField(max_length=)

class Book(models.Model):

    id = models.AutoField(primary_key=True)

    name = models.CharField(max_length=)

    publisher = models.ForeignKey('Publisher', related_name='person_book', related_query_name='ooxx')

# Book表

id   title  pubtime          person_id

    书1

    书2

    书3

    书4

    书5        2

id   name

    出版社1

    出版社2

    出版社3    

publishers = Publisher.objects.all()  # 获取说有的出版社对象

for publisher in publishers:  # 循环每一个出版社
    p_id = publisher.id  # 取到这个出版社的id
    books = Book.objects.filter(publishet_id=p_id).all()  # 取到这个出版社出版的所有书籍
    print(books[0].id)  # 打印第一本书的id