Newtonsoft Json反序列化:选择性日期解析

using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System;

public class CustomDateTimeConverter : IsoDateTimeConverter
{
    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
    {
        if (reader.Value != null && reader.Value.GetType() == typeof(string))
        {
            DateTime result;
            if (DateTime.TryParse((string)reader.Value, out result))
            {
                return result;
            }
        }
        return base.ReadJson(reader, objectType, existingValue, serializer);
    }
}

public class MyClass
{
    public string Name { get; set; }
    [JsonConverter(typeof(CustomDateTimeConverter))]
    public DateTime Date { get; set; }
}

public class Program
{
    public static void Main()
    {
        string json = "{\"Name\":\"John\",\"Date\":\"2022-01-01\"}";

        MyClass obj = JsonConvert.DeserializeObject<MyClass>(json);

        Console.WriteLine(obj.Name);
        Console.WriteLine(obj.Date);
    }
}