擅长:python、mysql、java
<pre><code>x = [{'cpunumber': '40.0', 'servername': 'f02wn01', 'cpucore_sum': '5.0', 'cpucore_00': '0.399414', 'datetime': '1438887255'},
{'cpunumber': '40.0', 'servername': 'f02wn01', 'cpucore_sum': '9.375', 'cpucore_00': '1.597656', 'datetime': '1438887250'},
{'cpunumber': '40.0', 'servername': 'f02wn01', 'cpucore_sum': '3.195312', 'cpucore_00': '0.0', 'datetime': '1438887240'},
{'cpunumber': '40.0', 'servername': 'f02wn01', 'cpucore_sum': '5.59375', 'cpucore_00': '1.0', 'datetime': '1438887245'}]
y=sorted(x,key=lambda z:int(z.get("datetime")))
</code></pre>
<p>您可以使用<code>lambda</code>函数作为<code>key</code>来完成分类。还有转换为<code>int</code>以确保它是整数比较而不是字符串比较。你知道吗</p>