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netcore/src/Infrastructure/NCC/JsonSerialization/Converters/NewtonsoftDateTimeJsonConverter.cs 2.77 KB
de2bd2f9   “wangming”   项目初始化
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  using NCC.Dependency;
  using Newtonsoft.Json;
  using Newtonsoft.Json.Converters;
  using System;
  
  namespace NCC.JsonSerialization
  {
      /// <summary>
      /// DateTime 类型序列化
      /// </summary>
      [SuppressSniffer]
      public class NewtonsoftDateTimeJsonConverter : DateTimeConverterBase
      {
          internal static readonly DateTime UnixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  
          /// <summary>
          /// 
          /// </summary>
          /// <param name="reader"></param>
          /// <param name="objectType"></param>
          /// <param name="existingValue"></param>
          /// <param name="serializer"></param>
          /// <returns></returns>
          public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
          {
              if (reader.Value == null || string.IsNullOrEmpty(reader.Value.ToString()))
              {
                  return null;
              }
              else
              {
                  if (reader.TokenType == JsonToken.Date)
                  {
                      return reader.Value;
                  }
                  else if (reader.TokenType == JsonToken.String)
                  {
                      return DateTime.Parse(reader.Value.ToString());
                  }
                  else
                  {
                      return UnixEpoch.AddMilliseconds(Convert.ToInt64(reader.Value)).ToLocalTime();
                  }
              }
          }
  
          /// <summary>
          /// 
          /// </summary>
          /// <param name="writer"></param>
          /// <param name="value"></param>
          /// <param name="serializer"></param>
          public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
          {
              //long seconds;
              //if (value is DateTime dateTime && !writer.Path.Contains("data.list") && !writer.Path.Contains("Field"))
              //{
              //    seconds = (long)(dateTime.ToUniversalTime() - UnixEpoch).TotalMilliseconds;
              //    writer.WriteValue(seconds);
              //}
              //else if(value is DateTime dateTime1 && (writer.Path.Contains(".latestDate")|| writer.Path.Contains(".lastModifyTime")))
              //{
              //    seconds = (long)(dateTime1.ToUniversalTime() - UnixEpoch).TotalMilliseconds;
              //    writer.WriteValue(seconds);
              //}
              //else 
              //{
              //    writer.WriteValue(value);
              //}
              long seconds;
              if (value is DateTime dateTime)
              {
                  seconds = (long)(dateTime.ToUniversalTime() - UnixEpoch).TotalMilliseconds;
                  writer.WriteValue(seconds);
              }
              else
              {
                  writer.WriteValue(value);
              }
          }
      }
  }