擅长:python、mysql、java
<p>使用<a href="https://stackoverflow.com/a/855764/770830">try-except</a>子句,这可能看起来更干净:</p>
<pre><code>try:
f = int(f)
f=convUnixTime(f)
except ValueError:
pass
else:
if f <= 0:
total_expired_users += 1
expr_list[ filed[0] ] = f
elif f <= min_days:
total_expring_users += 1
expr_list[ filed[0] ] = f
</code></pre>
<p>您也可以稍微更改顺序,以避免<code>expr_list[filed[0]]</code>重复:</p>
^{pr2}$