擅长:python、mysql、java
<p>两个不同的<code>datetime</code>相减已经返回一个增量<a href="https://docs.python.org/3/library/datetime.html#timedelta-objects" rel="nofollow noreferrer">timedelta</a></p>
<p>参数<code>origin</code>和<code>datetime</code>必须是<code>datetime</code>对象。要么将两个参数都设置为<code>datetime</code>对象,要么将<code>datetime.time</code>对象设置为当前的<strong>日期</strong>时间`对象</p>
<p>要将<code>time</code>转换为<code>datetime</code>,<a href="https://stackoverflow.com/questions/8474670/pythonic-way-to-combine-datetime-date-and-datetime-time-objects">this</a>可能有帮助,或者您可以手动调整字段</p>
<pre class="lang-py prettyprint-override"><code>import datetime
t = datetime.time(1, 2, 3)
print('t :', t)
d = datetime.date.today()
print('d :', d)
dt = datetime.datetime.combine(d, t)
print('dt:', dt)
</code></pre>
<h3>输出</h3>
<pre class="lang-py prettyprint-override"><code>t : 01:02:03
d : 2013-02-21
dt: 2013-02-21 01:02:03
</code></pre>