擅长:python、mysql、java
<p>使用<a href="http://dateutil.readthedocs.io/en/stable/relativedelta.html" rel="nofollow noreferrer">relativedelta</a>:</p>
<pre><code>import dateutil
excessmove_start = date(2015,1,6)
excess_graph = excessmove_start + datetime.relativedelta.relativedelta(months=3))
</code></pre>