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我正在开发一个非常非常非常基础的电子商务项目。如何设计购物篮中和产品的数量?
如何设计购物篮中和产品的数量?
class Category(models.Model):
name = models.CharField(max_length=50)
slug = models.SlugField()
desc = models.TextField(blank=True)
img = ImageField(upload_to='images/category')
class Product(models.Model):
name = models.CharField(max_length=50)
slug = models.SlugField()
unit_price = models.DecimalField(max_digits=5, decimal_places=2)
desc = models.TextField()
image = ImageField(upload_to='images')
category = models.ManyToManyField(Category)
class Basket(models.Model):
owner = models.ForeignKey(User, related_name='user_basket', verbose_name='Owner')
name = models.CharField("Basket_name", max_length=30)
products = models.ManyToManyField('Product', blank=True, null=True)
什么是能够选择产品数量的最佳方式?
是的,中间模型应该这样做。请参阅:https://docs.djangoproject.com/en/dev/topics/db/models/#extra-fields-on-many-to-many-relationships –
谢谢。我尝试这个解决方案 –