0
class Category(models.Model)
name = models.CharField()
class CategoryItem(models.Model):
category = models.ForeignKey(Category)
name = models.CharField()
quantity = models.IntField()
at = models.DateTimeField()
Categories:
1, Category #1
2, Category #2
3, Category #3
Items:
ID,NAME,CATEGORY_ID,QUANTITY,AT
1,Item #1,1,100,2017.1.1
2,Item #2,1,200,2017.1.3
3,Item #3,1,300,2017.1.3
4,Item #4,2,400,2017.1.10
5,Item #5,3,500,2017.1.10
我怎麼能一天註釋本和計數「量」每類
喜歡這個
2017.1.1
- Category #1
- Quantity: 100
2017.1.3
- Category #1
- Quantity: 500
2017.1.10
- Category #2
- Quantity: 400
- Category #3
- Quantity: 500
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