<p>如果您只需要两个键,并且您知道这些键是哪一个,那么可以在代码中将它们定义为一个列表,并且只检索这些键的内容。在</p>
<pre><code>import json
test = '''{
"content": {
"HTTP": {
"obsess": "1",
"check_command": "check_http",
"active_checks_enabled": "1",
"process_performance_data": "1",
"last_state_change": "1421870740",
"last_event_id": "1"
},
"PING": {
"obsess": "1",
"check_command": "check_ping!100.0,20%!500.0,60%",
"active_checks_enabled": "1",
"process_performance_data": "1",
"last_state_change": "1373404110",
"last_event_id": "0"
},
"somethingelse": {
"obsess": "1",
"check_command": "check_ping!100.0,20%!500.0,60%",
"active_checks_enabled": "1",
"process_performance_data": "1",
"last_state_change": "1373404110",
"last_event_id": "0"
}
}
}'''
json = json.loads(test)
print(json)
keys = ['HTTP', 'PING']
for key in json['content']:
if key in keys:
last_key_change = json['content'][key]['last_state_change']
print(key, last_key_change)
</code></pre>