擅长:python、mysql、java
<p>我就这样解决了</p>
<pre><code>srok = datetime.datetime.now()-timedelta(minutes=1)
user_unbuying = Order.objects.filter(items_add_date__lt=srok)
usr=[]
for unbus in user_unbuying:
if unbus.customer.id not in usr:
if unbus.customer is not None:
if unbus.items_add_date is not None:
usr.append(unbus.customer.id)
#send mail
</code></pre>