擅长:python、mysql、java
<p>看看这个:</p>
<pre><code>import json
json_str = (
'{"ResJSON":{"timeseries":{"unit":["secs","bps","bps","bps"],'
'"columns":["timestamp","Total","Optimized","Pass-Through"],'
'"values":[[1456304820,1350.9333,1290.8000,60.1333],'
'[1456304880,1252.9333,1217.0667,35.8667],'
'[1456304899, 1600, 1570, 30]]}}}')
data = json.loads(json_str)
chart_values = [v[1] for v in data['ResJSON']['timeseries']['values']]
max_value = max(chart_values)
print('Maximum value:', max_value)
</code></pre>
<p>我将<code>Total</code>列从<code>values</code>表提取到<code>chart_values</code>列表,并从中获取最大值。你知道吗</p>