擅长:python、mysql、java
<p>在解析日期时想到了<a href="http://labix.org/python-dateutil#head-a23e8ae0a661d77b89dfb3476f85b26f0b30349c" rel="nofollow noreferrer">Dateutil</a>。在</p>
<p>对于整数和浮点数,您可以在try/except部分尝试强制转换</p>
<pre><code>>>> f = "2.5"
>>> i = "9"
>>> ci = int(i)
>>> ci
9
>>> cf = float(f)
>>> cf
2.5
>>> g = "dsa"
>>> cg = float(g)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: invalid literal for float(): dsa
>>> try:
... cg = float(g)
... except:
... print "g is not a float"
...
g is not a float
>>>
</code></pre>