擅长:python、mysql、java
<p>下面是获取句点列表的简单方法。你知道吗</p>
<p>从系统中取出所有休假记录,并找出每个记录的天数。你知道吗</p>
<pre><code>leaves = Leave.objects.filter(leavedatefrom__gte=datetime.date(2019, 1, 1), leavedateto__lte=datetime.date(2019, 12, 31
for leave in leaves:
days = (leave.leavedatefrom.date() - leave. leavedateto.date()).days()
period_list.append(days)
total_leaves = sum(period_list)
</code></pre>