.NET 自定义Json序列化时间格式

public class CustomDateTimeConverter : JavaScriptDateTimeConverter
    {
        /// <summary>
        /// 重写JavaScriptDateTimeConverter ReadJson 方法
        /// </summary>
        /// <param name="reader">The <see cref="T:Newtonsoft.Json.JsonReader"/> to read from.</param>
        /// <param name="objectType">Type of the object.</param>
        /// <param name="existingValue">The existing property value of the JSON that is being converted.</param>
        /// <param name="serializer">The calling serializer.</param>
        /// <returns></returns>
        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.Value == null) //兼容可空时间类型
            {
                return null;
            }
            else
            {
                if (reader.TokenType == JsonToken.Date)
                {
                    return reader.Value;
                }
                else if (reader.TokenType == JsonToken.String)
                {
                    DateTime dt = DateTime.Parse(reader.Value.ToString());
                    return dt;
                }
                else
                {
                    return new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddMilliseconds(Convert.ToInt64(reader.Value)).ToLocalTime();
                }
            }
        }
    }

var model = JsonConvert.DeserializeObject<ResponseModel>(res,new CustomDateTimeConverter());