9_pm" : "1002", "humidity_9_am" : "30", "humidity_9_pm" : "8", "temperature_9_am" : "5", "temperature...9_am" : "77", "humidity_9_pm" : "56", "temperature_9_am" : "-1", "temperature_9_pm" : "16", "rain" :..._9_am" : "70", "humidity_9_pm" : "95", "temperature_9_am" : "33", "temperature_9_pm" : "-7", "rain" :...: "1000", "humidity_9_am" : "60", "humidity_9_pm" : "93", "temperature_9_am" : "0", "temperature_9_pm...每个条件行由字段名称(由 $ 报告)形式的条件组成,该字段名称被其值替换,运算符 ( , =, !=) 将检查定义的值或字段(也被替换)。