擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>import json
a = b'''[
{
"timestamp":1530121741,
"sourceId":"OaBW9",
"trackingId":"t7J5",
"rssi":-57,
"proximity":"IMMEDIATE",
"scanType":"BLE",
"deviceAddress":"ea:21:88:b3:d2:5f"
},
{
"timestamp":1530121741,
"sourceId":"OaBW9",
"trackingId":"t7J5",
"rssi":-68,
"proximity":"IMMEDIATE",
"scanType":"BLE",
"deviceAddress":"ea:21:88:b3:d2:5f"
}
]'''
b = json.loads(a)
print([x.get('rssi') for x in b])
</code></pre>
<p>输出:</p>
<pre><code>[-57, -68]
</code></pre>