我有这些模型:
class Gallery(models.Model):
HeadImage = models.ImageField(upload_to="gallery")
class Image(models.Model):
Image = models.ImageField(upload_to="gallery")
Gallery = models.ForeignKey(Gallery, related_name='images')
class Tour(models.Model):
Name=models.CharField(max_length=100)
Count=models.SmallIntegerField()
PriceUnit=models.ForeignKey(PriceUnit)
Price=models.CharField(max_length=12)
Gallery = models.OneToOneField(Gallery,editable=False)
正如你可以看到每个旅游有一个画廊的图像,我设计了一个模型,让用户添加一个旅游,这是它的代码视图.py地址:
def addtour(request,key):
ImageFormSet = inlineformset_factory(Gallery,Image, can_delete=False,extra=4)
if request.method == 'POST':
gform=GalleryForm(request.POST,request.FILES)
if gform.is_valid():
gallery=gform.save(commit=False)
formset=ImageFormSet(request.POST, request.FILES, instance=gallery)
if formset.is_valid():
gallery.save()
formset.save()
tform = TourForm(request.POST, request.FILES)
if tform.is_valid():
tour=tform.save(commit=False)
tour.ActionUserCode=User.objects.get(pk=1)
tour.Gallery=gallery
tour.save()
return HttpResponseRedirect(reverse('airAgency.views.edittour', args=[agn.WebSite,tour.pk]))#'airAgency/edittour/%i/' % (tour.pk))
else:
tform = TourForm()
gform=GalleryForm()
galleryinstance=Gallery()
formset=ImageFormSet(instance=galleryinstance)
return render_to_response('airAgency/addtour.html', {'tform': tform,'gform':gform,'formset':formset})
正如您在视图中看到的,在添加巡更后,用户将被重定向到edittour立即传呼我想当用户在edittour页删除一个旅游或当图像属于它的画廊被删除,图像被删除,除了从存储删除数据库.how我能处理吗?你知道吗
可以重写模型上的delete()方法来执行所需操作。你知道吗
https://docs.djangoproject.com/en/dev/topics/db/models/#overriding-predefined-model-methods
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