添加项目文件。

Atomx.Utils/Json/Converts/LongJsonConverter.cs

@@ -0,0 +1,33 @@
+using System.Buffers;
+using System.Buffers.Text;
+using System.Text.Json;
+
+namespace Atomx.Utils.Json.Converts
+{
+	public class LongJsonConverter : System.Text.Json.Serialization.JsonConverter<long>
+	{
+		public override long Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+		{
+			if (reader.TokenType == JsonTokenType.String)
+			{
+				ReadOnlySpan<byte> span = reader.HasValueSequence ? reader.ValueSequence.ToArray() : reader.ValueSpan;
+				if (Utf8Parser.TryParse(span, out long number, out int bytesConsumed) && span.Length == bytesConsumed)
+				{
+					return number;
+				}
+
+				if (long.TryParse(reader.GetString(), out number))
+				{
+					return number;
+				}
+			}
+
+			return reader.GetInt64();
+		}
+
+		public override void Write(Utf8JsonWriter writer, long value, JsonSerializerOptions options)
+		{
+			writer.WriteStringValue(value.ToString());
+		}
+	}
+}