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下面有一个这样的模型,在管理面板创建/编辑Author实例时,如何要求添加至少一本书?Django admin内嵌模型管理员需要
#models.py
class Author(models.Model):
name = models.CharField(max_length=100)
class Book(models.Model):
author = models.ForeignKey(Author)
title = models.CharField(max_length=100)
#admin.py
class BookInline(admin.TabularInline):
model = Book
class AuthorAdmin(admin.ModelAdmin):
inlines = [
BookInline,
]