JsonSerializer.Deserialize 異常：JSON 值無法轉換為 System.String

Question

我正在嘗試閱讀此 json 字符串player.Metadata ：

{"drunk":0,"isbleeding":false,"stress":5,"licences":{"drive_boat":false,"hunting":false,"business":false,"driver_bike":false,"dmv":true,"weapon":false,"drive_truck":false,"drive_fly":false,"driver":true},"tracker":false,"craftingrep":0,"commandbinds":[],"phonedata":{"SerialNumber":86505294,"InstalledApps":[]},"bloodtype":"B+","status":[],"walletid":"QB-40404499","poop":0,"isdead":false,"fingerprint":"NQ795L08aVN5152","jobrep":{"taxi":0,"trucker":0,"hotdog":0,"tow":0},"callsign":"NO CALLSIGN","armor":100,"hunger":83.19999999999709,"criminalrecord":{"hasRecord":false},"inside":{"apartment":[]},"inlaststand":false,"ishandcuffed":false,"fitbit":[],"attachmentcraftingrep":0,"inpdjail":0,"beard":0.0,"injail":0,"currentapartment":"apartment56922","jailitems":[],"phone":[],"clean":98.0,"dealerrep":0,"drug":0,"thirst":84.79999999999927}

這是json 可視化工具的外觀：

這是我正在使用的代碼：

Metadata.cs （僅包括與錯誤相關的字段，因為其他字段正在工作）

public class Metadata
{
    /* All other fields are working or didn't step into them */
    public string fitbit { get; set; }        
}

主文件

Metadata metadata = new Metadata();
metadata = JsonSerializer.Deserialize<Metadata>(players.Metadata);

錯誤消息： System.Text.Json.JsonException：'JSON 值無法轉換為 System.String。 路徑：$.fitbit | 行號：0 | BytePositionInLine：650。

我怎樣才能正確轉換它？

Answer 1

因為 fitbit 是一個空數組。 它不是一個字符串。

Answer 2

您的 json 無效，其中一個屬性 fitbit 具有字符串值，另一個顯示為空數組。 更改您的元數據 class

public class Metadata
{
   public object fitbit { get; set; }       
}

或修復您的 json

"fitbit" : "",