用于.Net Core 3.1 Web Api的自定义OData DateTime序列化程序

using Microsoft.AspNetCore.OData.Formatter;
using Microsoft.OData;
using Microsoft.OData.Edm;

public class CustomDateTimeSerializer : ODataPrimitiveSerializer
{
    public CustomDateTimeSerializer(ODataSerializerProvider serializerProvider)
        : base(ODataPayloadKind.Property, serializerProvider)
    {
    }

    public override void WriteObject(object graph, Type type, ODataMessageWriter messageWriter,
        ODataSerializerContext writeContext)
    {
        // 自定义日期时间的序列化逻辑，包括格式化、时区等
        // ...

        base.WriteObject(graph, type, messageWriter, writeContext);
    }

    public override object ReadObject(ODataMessageReader messageReader, Type type, ODataDeserializerContext readContext)
    {
        // 自定义日期时间的反序列化逻辑，包括解析格式、时区等
        // ...

        return base.ReadObject(messageReader, type, readContext);
    }
}

services.AddControllers().AddOData(options =>
{
    options.AddModel("odata", GetEdmModel())
        .Count().Filter().OrderBy().Expand().Select().SetMaxTop(100);
    options.FormatterMappings.SetMediaTypeMappingForFormat("json", "application/json");
    options.SerializerProvider = new DefaultODataSerializerProvider(options.SerializerProvider, serviceProvider =>
        new CustomDateTimeSerializer(options.SerializerProvider));
});

app.UseEndpoints(endpoints =>
{
    endpoints.MapControllers();
    endpoints.EnableDependencyInjection();
    endpoints.Select().Expand().OrderBy().Filter();
    endpoints.MapODataRoute("odata", "odata", GetEdmModel());
});

[ODataRoutePrefix("Items")]
public class ItemsController : ODataController
{
    // ...

    [EnableQuery]
    [ODataRoute("({id})")]
    public IActionResult Get(int id)
    {
        // ...
    }

    // ...
}