【发布时间】:2017-08-15 20:48:32
【问题描述】:
我正在尝试从 REST API 解析 JSON,但当该数据的密钥为大写格式时,我无法访问该数据。
{
"body": {
"devices": [{
"_id": "xxxxxxxxxx",
"cipher_id": "xxxxxxxx",
"last_status_store": 1502808369,
"modules": [{
"_id": "xxxxxxx",
"type": "xxxxxxx",
"last_message": 1502808365,
"last_seen": 1502808359,
"dashboard_data": {
"time_utc": 1502808359,
"Temperature": 18.9,
"temp_trend": "down",
"Humidity": 27,
"date_max_temp": 1502804720,
"date_min_temp": 1502808359,
"min_temp": 18.9,
"max_temp": 22.2
},
"data_type": [
"Temperature",
"Humidity"
],
"last_setup": 1502731328,
"battery_vp": 6354,
"battery_percent": 100,
"rf_status": 67,
"firmware": 44
}],
"place": {
"altitude": 63.395306309052,
"city": "xxxxxx",
"country": "US",
"timezone": "America/New_York",
"location": [-72.532673,
42.0425917
]
},
"station_name": "xxxxxxxxxxx",
"type": "NAMain",
"dashboard_data": {
"AbsolutePressure": 1004.6,
"time_utc": 1502808354,
"Noise": 50,
"Temperature": 22.7,
"temp_trend": "up",
"Humidity": 69,
"Pressure": 1012.1,
"pressure_trend": "stable",
"CO2": 0,
"date_max_temp": 1502808290,
"date_min_temp": 1502801263,
"min_temp": 21.3,
"max_temp": 22.7
},
"data_type": [
"Temperature",
"CO2",
"Humidity",
"Noise",
"Pressure"
],
"co2_calibrating": false,
"date_setup": 1502731277,
"last_setup": 1502731277,
"module_name": "Indoor",
"firmware": 132,
"last_upgrade": 1502731279,
"wifi_status": 51
}]
},
"status": "ok",
"time_exec": 0.019752025604248,
"time_server": 1502808443
}
我正在尝试使用 Groovy Json slurper 访问 JSON 并执行以下命令。响应在我的调试器中返回正常。Reponse.content 是我发送到服务器的 HTTPrequest 的值。
def stationInfo = jsonSlurper.parseText(response.content as String)
def outsideTemp = stationInfo.body.devices.modules.dashboard_data.Temperture
def outsideHumidty = stationInfo.body.devices.modules.dashboard_data.Humidty
def insideTemp = stationInfo.body.devices.dashboard_data.Temperture
outsideTemp、outsideHumidty 和 insideTemp 当我在调试器中查看它们时都等于“[null]”。关于为什么会发生这种情况以及如何解决它的任何想法?编译器是否假设某些内容是因为它们是大写的?
【问题讨论】:
-
我们是否假设dashboard_data 中的其他元素被正确返回? (如果可以,请在您的问题中明确说明。)
-
可能问题在于
devices是一个数组,应该由[index]访问,而您将其视为普通对象 -
"modules"同上 -
所有内容都在 json 中正确返回,我无法通过以这种方式引用其他字段来访问其他字段(普通对象)
-
另外需要注意的是,这些大写的值在我引用它们时会突出显示语法,但如果保留小写,则不会