def update_photo(request,photo_id):
"""更新相片"""
schools = get_schools(request.user)
photo = get_object_or_404(Photo,id=photo_id,album__site__school__in=schools)
if request.method == 'POST':
form = PhotoForm(request.POST,instance=photo)
if form.is_valid():
form.save()
messages.success(request, u'修改成功')
return redirect(reverse('oa_album_detail',kwargs={'album_id':photo.album_id}))
