C# Newtonsoft.Json.Formatting DateTime 日期格式化

List<Record> list = new List<Record>();
for (int i = 0; i < 10; i++)
{
    Record item = new Record();
    item.Name = "A" + i;
    item.CreateTime = DateTime.Now;
    list.Add(item);
    Thread.Sleep(2000);
}
var noformatJson = JsonConvert.SerializeObject(list);
log.Debug($"没格式化 => {noformatJson}");
IsoDateTimeConverter timeConverter = new IsoDateTimeConverter();
timeConverter.DateTimeFormat = "yyyy-MM-dd HH:mm:ss"; //对日期进行格式化
var jsonSettings = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore, Converters = { timeConverter } };
var formatJson = JsonConvert.SerializeObject(list, Newtonsoft.Json.Formatting.Indented, jsonSettings);
log.Debug($"格式化后 => {formatJson}");