[英]Deserialize JSON from API response
我正在使用一個稱為“ PRTG”的API,它是服務器監視服務。 呼叫設備上的所有傳感器后,我在Fiddler中得到以下響應:
{
"prtg-version": "14.2.10.2114",
"treesize": 6,
"sensors": [
{
"objid": 6277,
"probe": "Koneo Kalmar AB",
"group": "Koneo Kalmar home",
"device": "bl0615.systempartner.local",
"sensor": "Disk Space",
"status": "Up",
"status_raw": 3,
"message": "<div class=\"status\">OK<div class=\"moreicon\"></div></div>",
"message_raw": "OK",
"lastvalue": "21 %",
"lastvalue_raw": 21.0000,
"priority": 4,
"favorite": "<span class=\"objectisnotfavorite icon-gray ui-icon ui-icon-flag\" id=\"fav-6277\" onclick=\"_Prtg.objectTools.faveObject.call(this,6277,'toggle');return false;\"></span>",
"favorite_raw": 0
},
{
"objid": 6279,
"probe": "Koneo Kalmar AB",
"group": "Koneo Kalmar home",
"device": "bl0615.systempartner.local",
"sensor": "PING",
"status": "Up",
"status_raw": 3,
"message": "<div class=\"status\">OK<div class=\"moreicon\"></div></div>",
"message_raw": "OK",
"lastvalue": "0 msec",
"lastvalue_raw": 0.0000,
"priority": 5,
"favorite": "<span class=\"objectisnotfavorite icon-gray ui-icon ui-icon-flag\" id=\"fav-6279\" onclick=\"_Prtg.objectTools.faveObject.call(this,6279,'toggle');return false;\"></span>",
"favorite_raw": 0
},
{
"objid": 6280,
"probe": "Koneo Kalmar AB",
"group": "Koneo Kalmar home",
"device": "bl0615.systempartner.local",
"sensor": "DNS",
"status": "Up",
"status_raw": 3,
"message": "<div class=\"status\">OK: 127.0.0.1<div class=\"moreicon\"></div></div>",
"message_raw": "OK: 127.0.0.1",
"lastvalue": "0 msec",
"lastvalue_raw": 0.0000,
"priority": 3,
"favorite": "<span class=\"objectisnotfavorite icon-gray ui-icon ui-icon-flag\" id=\"fav-6280\" onclick=\"_Prtg.objectTools.faveObject.call(this,6280,'toggle');return false;\"></span>",
"favorite_raw": 0
},
{
"objid": 6799,
"probe": "Koneo Kalmar AB",
"group": "Koneo Kalmar home",
"device": "bl0615.systempartner.local",
"sensor": "Disk Free: C:\\ Label: Serial Number 34fe9d97", "status": "Up", "status_raw": 3,
"message": "<div class=\"status\">OK<div class=\"moreicon\"></div></div>",
"message_raw": "OK",
"lastvalue": "21 %",
"lastvalue_raw": 21.2458,
"priority": 3,
"favorite": "<span class=\"objectisnotfavorite icon-gray ui-icon ui-icon-flag\" id=\"fav-6799\" onclick=\"_Prtg.objectTools.faveObject.call(this,6799,'toggle');return false;\"></span>",
"favorite_raw": 0
},
{
"objid": 6800,
"probe": "Koneo Kalmar AB",
"group": "Koneo Kalmar home",
"device": "bl0615.systempartner.local",
"sensor": "Disk Free: D:\\ Label:DATA Serial Number 44bc0bc3", "status": "Up",
"status_raw": 3,
"message": "<div class=\"status\">OK<div class=\"moreicon\"></div></div>",
"message_raw": "OK",
"lastvalue": "49 %",
"lastvalue_raw": 49.4901,
"priority": 3,
"favorite": "<span class=\"objectisnotfavorite icon-gray ui-icon ui-icon-flag\" id=\"fav-6800\" onclick=\"_Prtg.objectTools.faveObject.call(this,6800,'toggle');return false;\"></span>",
"favorite_raw": 0
},
{
"objid": 6801,
"probe": "Koneo Kalmar AB",
"group": "Koneo Kalmar home",
"device": "bl0615.systempartner.local",
"sensor": "SNMP HP Proliant System Health 1", "status": "Warning", "status_raw": 4,
"message": "<div class=\"status\">Warning in Disk Controller Status: 'Degraded'<div class=\"moreicon\"></div></div>",
"message_raw": "Warning in Disk Controller Status: 'Degraded'",
"lastvalue": "2 #",
"lastvalue_raw": 2.0000,
"priority": 3,
"favorite": "<span class=\"objectisnotfavorite icon-gray ui-icon ui-icon-flag\" id=\"fav-6801\" onclick=\"_Prtg.objectTools.faveObject.call(this,6801,'toggle');return false;\"></span>",
"favorite_raw": 0
}
]
}
我試圖創建一個遵循此響應的類結構。 看起來像這樣:
public class BasePrtgSensors
{
[JsonProperty("prtg-version")]
public string PrtgVersion { get; set; }
[JsonProperty("sensors")]
public Dictionary<string, PrtgSensor> Sensors { get; set; }
[JsonProperty("treesize")]
public string TreeSize { get; set; }
}
public class PrtgSensor
{
[JsonProperty("objid")]
public string Id { get; set; }
[JsonProperty("probe")]
public string Probe { get; set; }
[JsonProperty("group")]
public string Group { get; set; }
[JsonProperty("device")]
public string Device { get; set; }
[JsonProperty("sensor")]
public string Sensor { get; set; }
[JsonProperty("status")]
public string Status { get; set; }
[JsonProperty("status_raw")]
public string StatusRaw { get; set; }
[JsonProperty("message")]
public string Message { get; set; }
[JsonProperty("message_raw")]
public string MessageRaw { get; set; }
[JsonProperty("lastvalue")]
public string LastValue { get; set; }
[JsonProperty("lastvalue_raw")]
public string LastValueRaw { get; set; }
[JsonProperty("priority")]
public string Priority { get; set; }
[JsonProperty("favorite")]
public string Favorite { get; set; }
[JsonProperty("favorite_raw")]
public string FavoriteRaw { get; set; }
}
我正在運行以下代碼:
protected T Execute<T>(string urlSegment)
{
return JsonConvert.DeserializeObject<T>(Client().DownloadString(_baseUrl + '/' + urlSegment.TrimStart('/')));
}
這是WebClient包裝器中的基本方法,它運行url查詢並嘗試將其反序列化為我選擇的類(BasePrtgSensors)。 實際的調用是這樣的:
public BasePrtgSensors GetSensors(string id)
{
return Execute<BasePrtgSensors>(_resultType + _contentSensors + _output + _columnsSensors + "&id=" + id + _auth);
}
調用后,我從對象中獲得的所有內容均為null和0值。 我很確定自己已經在類結構中搞砸了,但是我對序列化是全新的,而且我似乎找不到為什么響應不會反序列化到我的類中的原因。
預先感謝您的指導!
我剛剛用您的代碼親自對其進行了測試。 像Dictionary<string, PrtgSensor>
那樣使用它時會出現異常。
但是,就像我在評論中說的那樣,如果您改用List<PrtgSensor>
, BasePrtgSensors
所有內容放入一個BasePrtgSensors
對象中。
原因是,json中的sensors
是數組或列表。 字典始終是鍵值對。
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