擅长：python、mysql、java
<p>通过<a href="https://docs.python.org/2/library/datetime.html#datetime.datetime.strptime" rel="nofollow">^{<cd1>}</a>将字符串加载到datetime对象中，然后通过<a href="https://docs.python.org/2/library/datetime.html#datetime.datetime.strftime" rel="nofollow">^{<cd2>}</a>以所需格式转储：</p>
<pre><code>>>> from datetime import datetime
>>> d = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
>>> d # d is a string
'2016-04-28 07:46:32'
>>> datetime.strptime(d, "%Y-%m-%d %H:%M:%S").strftime("%Y-%m-%d %I:%M:%S %p")
'2016-04-28 07:46:32 AM'
</code></pre>
<p>注意这里的<code>%I</code>是一个<a href="https://docs.python.org/2/library/datetime.html#strftime-strptime-behavior" rel="nofollow">12-hour clock</a>。在</p>
