public static class Json
???{
???????public static object ToJson(this string Json)
???????{
???????????return Json == null ? null : JsonConvert.DeserializeObject(Json);
???????}
???????public static string ToJson(this object obj)
???????{
???????????var timeConverter = new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-dd HH:mm:ss" };
???????????return JsonConvert.SerializeObject(obj, timeConverter);
???????}
???????public static string ToJson(this object obj, string datetimeformats)
???????{
???????????var timeConverter = new IsoDateTimeConverter { DateTimeFormat = datetimeformats };
???????????return JsonConvert.SerializeObject(obj, timeConverter);
???????}
???????public static T ToObject<T>(this string Json)
???????{
???????????return Json == null ? default(T) : JsonConvert.DeserializeObject<T>(Json);
???????}
???????public static List<T> ToList<T>(this string Json)
???????{
???????????return Json == null ? null : JsonConvert.DeserializeObject<List<T>>(Json);
???????}
???????public static DataTable ToTable(this string Json)
???????{
???????????return Json == null ? null : JsonConvert.DeserializeObject<DataTable>(Json);
???????}
???????public static JObject ToJObject(this string Json)
???????{
???????????return Json == null ? JObject.Parse("{}") : JObject.Parse(Json.Replace(" ", ""));
???????}
???}
Json序列化帮助类
原文地址：http://www.cnblogs.com/badboys/p/7582065.html