IM/backend/IM_API/Tools/UTCConverter.cs
2026-02-12 21:53:26 +08:00

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using System.Text.Json;
namespace IM_API.Tools
{
public class UtcDateTimeConverter : System.Text.Json.Serialization.JsonConverter<DateTime>
{
public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
=> reader.GetDateTime();
public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
{
// 如果 Kind 已经是 Utc直接输出。
// 如果不是,先 SpecifyKind 再输出,确保不会发生时区偏移计算
var utcDate = value.Kind == DateTimeKind.Utc ? value : DateTime.SpecifyKind(value, DateTimeKind.Utc);
writer.WriteStringValue(utcDate.ToString("yyyy-MM-ddTHH:mm:ssZ"));
}
}
}