在管理员中显示通过“通过"定义的 m2m 字段 [英] Display m2m field defined via 'through' in admin
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问题描述
我有以下模型类:
class Category(models.Model):
category = models.CharField('category', max_length=200, blank=False)
class Book(models.Model):
title = models.CharField('title', max_length=200, blank=False)
categories = models.ManyToManyField(Category, blank=False, through='Book_Category')
class Book_Category(models.Model):
book = models.ForeignKey(Book)
category = models.ForeignKey(Category)
在管理界面中添加新书对象时,我还想添加一个新类别和 book_category 关系.
When adding a new book object in admin interface I would like to also add a new category, and book_category relationship.
如果我在 BookAdmin 中包含 categories 为
If I include categories in BookAdmin as
class BookAdmin(admin.ModelAdmin):
fieldsets = [
(None, {'fields': ['categories', ]}), ...
我得到 无法包含 ManyToManyField 字段categories",因为categories"手动指定了through"模型
错误.
有什么方法可以实现所需的功能吗?
Is there any way to achieve required functionality?
推荐答案
class CategoryInline(admin.TabularInline):
model = Book_Category
extra = 3 # choose any number
class BookAdmin(admin.ModelAdmin):
inlines = (CategoryInline,)
admin.site.register(Book, BookAdmin)
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