擅长:python、mysql、java
<p>我认为<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.to_timedelta.html" rel="nofollow noreferrer">^{<cd1>} function</a>正在做你想做的事</p>
<pre class="lang-py prettyprint-override"><code>time = pd.datetime.now() + pd.to_timedelta(5, unit='W')
</code></pre>
<p><strong>更新</strong><br/>
<code>to_timedelta</code>函数不再支持月、季和年。时间偏移有两种类型的对象:</p>
<ul>
<li>与日历时间相关的日期偏移量:</li>
<li>时间偏移量,即绝对时间(与夏令时天数的差值)</李>
</ul>
<p>有关<a href="https://pandas.pydata.org/pandas-docs/stable/user_guide/timeseries.html#dateoffset-objects" rel="nofollow noreferrer">documentation about it</a>的更多详细信息。<code>to_timedelta</code>函数无法知道要使用哪个函数</p>