from django.db import models
from django.db.models.signals import pre_delete
from django.dispatch import receiver


# Create your models here.


class IMG(models.Model):
    img = models.ImageField(upload_to='img')  # 地址
    name = models.CharField(max_length=20)


# 删除方法重载
@receiver(pre_delete, sender=IMG)
def file_delete(instance, **kwargs):
    instance.img.delete(False)
    # print("delete", instance.img)