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class obj
{
public DateTime dt = DateTime.Now;
public string str = null;
}
obj oo=new obj();
IsoDateTimeConverter dc = new IsoDateTimeConverter();
dc.DateTimeFormat = "yyyy年MM月dd日 HH时mm分ss秒";//格式化时间
JsonSerializerSettings jss = new JsonSerializerSettings();
jss.NullValueHandling = NullValueHandling.Ignore;//忽略null值的属性
jss.Converters.Add(dc);
string isoJson = JsonConvert.SerializeObject(oo,Formatting.None,jss);
Console.WriteLine(isoJson);
obj oo=new obj();
IsoDateTimeConverter dc = new IsoDateTimeConverter();
dc.DateTimeFormat = "yyyy年MM月dd日 HH时mm分ss秒";
JsonSerializerSettings jss = new JsonSerializerSettings();
jss.
string isoJson = JsonConvert.SerializeObject(oo, dc);
Console.WriteLine(isoJson)