擅长:python、mysql、java
<pre><code>import time
t1 = time.time()
# some time-demanding operations
t2 = time.time()
print "operation took around {0} seconds to complete".format(t2 - t1)
</code></pre>
<p><code>time.time()</code>以浮点数形式返回当前unix时间戳。将这个数字存储在代码的给定点并计算差值。你将得到以秒(和分数)为单位的时差。在</p>