lijiuchangxin 2020-01-02
class BaseModle(models.Model): name = models.CharField(max_length=32, unique=True) # 商品分类状态 1为上架 0 为下架 status = models.SmallIntegerField(default=0) # 添加时间 addtime = models.DateTimeField(auto_now_add=True) class Meta: #抽象 abstract = True
class Category(BaseModle): pass class Meta: db_table = ‘category‘ #指定表名
class Goods(BaseModle): #商品图片 img = models.CharField(max_length=255) #商品价格 最长9位保留两位小数 price = models.DecimalField(max_digits=9,decimal_places=2) #商品分类外键 级联删除 一对多关系 cate = models.ForeignKey(‘Category‘,on_delete=models.CASCADE) class Meta: db_table = ‘goods‘
python manage.py makemigrations
python manage.py migrate