Files
zszq-trs/Framework/SharedWebApi/Converters/QuotedFloatConverter_Nullable.cs
T
2024-05-09 14:06:26 +08:00

45 lines
1.2 KiB
C#

using Newtonsoft.Json;
using System.Buffers.Text;
namespace YLErp.Converter
{
public class QuotedFloatConverter_Nullable : JsonConverter<float?>
{
private const float defaultValue = default(float);
public override float? ReadJson(JsonReader reader, Type objectType, float? existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.String)
{
if (string.IsNullOrWhiteSpace(reader.ReadAsString()))
{
if (Nullable.GetUnderlyingType(objectType) != null)
{
return null;
}
return defaultValue;
}
if (float.TryParse(reader.ReadAsString(), out float number))
return number;
}
return (float?)reader.Value;
}
public override void WriteJson(JsonWriter writer, float? value, JsonSerializer serializer)
{
if (!value.HasValue)
{
writer.WriteNull();
}
else
{
writer.WriteValueAsync(value);
}
}
}
}