你能告诉JSON.Net即使未指定的序列化的DateTime UTC作为？ [英] Can you tell JSON.Net to serialize DateTime as Utc even if unspecified?

问题描述

在我的数据库中的日期存储为UTC。但是，当我retreieve他们瓦特/实体框架就出来类型不明。

Dates in my database are stored as Utc. But when I retreieve them w/ the entity framework they come out as type unspecified.

在JSON.Net连载他们，他们不UTC格式。有没有办法告诉JSON.Net序列化DateTime是否为UTC即使它们的类型没有被指定为UTC？

When JSON.Net serializes them they are not in Utc format. Is there a way to tell JSON.Net to serialize DateTimes as Utc even if their type is not specified as Utc?

推荐答案

设置 DateTimeZoneHandling 在 JsonSerializerSettings 到 UTC 。这将所有日期UTC转换序列化之前。

Set DateTimeZoneHandling on JsonSerializerSettings to Utc. That will convert all dates to UTC before serializing them.

public void SerializeObjectDateTimeZoneHandling()
{
  string json = JsonConvert.SerializeObject(
    new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Unspecified),
    new JsonSerializerSettings
    {
      DateTimeZoneHandling = DateTimeZoneHandling.Utc
    });

  Assert.AreEqual(@"""2000-01-01T01:01:01Z""", json);
}

文档： DateTimeZoneHandling设置

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