ladeng07
17 lines
466 B
Python
17 lines
466 B
Python
from django.db.models.signals import pre_save,pre_delete,post_init,post_save,pre_init
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from django.dispatch import receiver
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from .models import Works
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# 修改时,保存图片并删除旧图
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# @receiver(post_init, sender=Works)
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# def file_path(sender, instance, **kwargs):
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# instance._current_image = instance.image
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@receiver(pre_save, sender=Works)
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def delete_old_image(sender, instance, **kwargs):
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print(instance.img)
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instance.img.delete(save=True)
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