反向追溯相关接口

common/Tnb.Common/Utils/DateTimeJsonConverter.cs

@@ -0,0 +1,27 @@
+using Newtonsoft.Json;
+
+namespace Tnb.Common.Utils
+{
+    public class DateTimeJsonConverter : JsonConverter
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(DateTime);
+        }
+    
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            TypeCode typeCode = Type.GetTypeCode(reader.Value.GetType());
+            if (typeCode == TypeCode.DateTime)
+                return reader.Value;
+    
+            var t = long.Parse((string)(reader.Value.ToString()));
+            return new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddMilliseconds(t);
+        }
+    
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}