[英]How can i list Parent categories only with django-mptt?
我只想在一个页面中列出父类别,在另一个页面中列出其他子类别。
模型.py
class Category(MPTTModel):
name=models.CharField(max_length=50)
slug=models.SlugField(max_length=50, unique=True, help_text='Uniue Value product page url, created from name.')
is_active=models.BooleanField(default=True)
created_at=models.DateTimeField(auto_now_add=True)
updated_at=models.DateTimeField(auto_now=True)
parent=TreeForeignKey('self',on_delete=models.CASCADE,null=True,blank=True, related_name='children')
class MPTTMeta:
order_insertion_by=['name']
视图.py
def index(request):
listing=Category.objects.all()
context={
'listing':listing
}
return render(request,'catalog/index.html',context)
def index(request):
parents = Category.objects.filter(parent=None)
context={
'parents': parents,
}
return render(request,'catalog/index.html',context)
子类别使用:
Category.objects.exclude(parent=None)
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.