新しいSystem.Text.Json.JsonSerializer.Deserialize<T>(json_data)
が正しい数の要素を持つ_List<T>
_としてシリアライズするJSONがありますが、内部のオブジェクトはすべてNULLまたは0を持ちます。
Newtonsoft.Json.JsonConvert.DeserializeObject<T>(json_data)
を持つ同じJSONが正しく入力されています。
クラス:
_public class SensorValue
{
public string StationCode { get; set; }
public string SensorCode { get; set; }
public string SensorNameIt { get; set; }
public string SensorNameDe { get; set; }
public string SensorNameLd { get; set; }
public string SensorUnitMeasure { get; set; }
public DateTime SamplingDateTime { get; set; }
public Decimal SamplingValue { get; set; }
}
_
Json.
_[{"stationCode":"89190MS","sensorCode":"LT","sensorNameIt":"Temperatura Dell´aria","sensorNameDe":"Lufttemperatur","sensorNameLd":"Temperatura dl’aria","sensorUnitMeasure":"°C","samplingDateTime":"2019-11-15T15:10:00","samplingValue":0.3},{"stationCode":"89190MS","sensorCode":"N","sensorNameIt":"Precipitazioni","sensorNameDe":"Niederschlag","sensorNameLd":"plueia","sensorUnitMeasure":"mm","samplingDateTime":"2019-11-15T15:10:00","samplingValue":0.4},{"stationCode":"89190MS","sensorCode":"WR","sensorNameIt":"Direzione del vento","sensorNameDe":"Windrichtung","sensorNameLd":"Direzion dl vënt","sensorUnitMeasure":"° ","samplingDateTime":"2019-11-15T15:10:00","samplingValue":165.7},{"stationCode":"89190MS","sensorCode":"WG","sensorNameIt":"Velocità del vento","sensorNameDe":"Windgeschwindigkeit","sensorNameLd":"Slune dl vënt","sensorUnitMeasure":"m/s","samplingDateTime":"2019-11-15T15:10:00","samplingValue":0.7},{"stationCode":"89190MS","sensorCode":"WG.BOE","sensorNameIt":"Velocitá raffica","sensorNameDe":"Windgeschwindigkeit Böe","sensorNameLd":"Slune dl vënt","sensorUnitMeasure":"m/s","samplingDateTime":"2019-11-15T15:10:00","samplingValue":1.3},{"stationCode":"89190MS","sensorCode":"LF","sensorNameIt":"Umidità relativa","sensorNameDe":"relative Luftfeuchte","sensorNameLd":"Tume relatif","sensorUnitMeasure":"%","samplingDateTime":"2019-11-15T15:10:00","samplingValue":100.0},{"stationCode":"89190MS","sensorCode":"LD.RED","sensorNameIt":"Pressione atmosferica","sensorNameDe":"Luftdruck","sensorNameLd":"Druch dl’aria","sensorUnitMeasure":"hPa","samplingDateTime":"2019-11-15T15:10:00","samplingValue":1006.9},{"stationCode":"89190MS","sensorCode":"GS","sensorNameIt":"Radiazione globale ","sensorNameDe":"Globalstrahlung","sensorNameLd":"Nraiazion globala ","sensorUnitMeasure":"W/m²","samplingDateTime":"2019-11-15T15:10:00","samplingValue":3.8},{"stationCode":"89190MS","sensorCode":"SD","sensorNameIt":"Durata soleggiamento","sensorNameDe":"Sonnenscheindauer","sensorNameLd":"Dureda dl surëdl","sensorUnitMeasure":"s","samplingDateTime":"2019-11-15T15:10:00","samplingValue":0.0}]
_
助け? ConsoleAppプロジェクト.NET Core 3.0.0 NewTonSoft 12.0.3
if (response.IsSuccessStatusCode)
{
var json = await response.Content.ReadAsStringAsync();
var options = new JsonSerializerOptions
{
WriteIndented = true,
PropertyNameCaseInsensitive = true // this is the point
};
var books = JsonSerializer.Deserialize<IEnumerable<Book>>(json, options);
}
_