django 多级分类,一个 model 搞定
from django.db import models
# Create your models here.
class GoodsCategory(models.Model):
"""
商品类别
"""
CATEGORY_TYPE = (
(1, "一级类目"),
(2, "二级类目"),
(3, "三级类目"),
)
name = models.CharField(default="", max_length=30, verbose_name="类别名", help_text="类别名")
code = models.CharField(default="", max_length=30, verbose_name="类别code", help_text="类别code")
desc = models.TextField(default="", verbose_name="类别描述", help_text="类别描述")
category_type = models.IntegerField(choices=CATEGORY_TYPE, verbose_name="类目级别", help_text="类目级别")
parent_category = models.ForeignKey("self", null=True, blank=True, verbose_name="父类目级别", help_text="父目录",
related_name="sub_cat")
is_tab = models.BooleanField(default=False, verbose_name="是否导航", help_text="是否导航")
add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")
class Meta:
verbose_name = "商品类别"
verbose_name_plural = verbose_name
def __str__(self):
return self.name