public static class JsonHelper{/// <summary>/// JSON序列化/// </summary>public static string JsonSerializer<T>(T t){//soDataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));MemoryStream ms = new MemoryStream();ser.WriteObject(ms, t);string jsonString = Encoding.UTF8.GetString(ms.ToArray());ms.Close();//替换Json的Date字符串const string p = @"\\/Date\((\d+)\+\d+\)\\/";MatchEvaluator matchEvaluator = ConvertJsonDateToDateString;Regex reg = new Regex(p);jsonString = reg.Replace(jsonString, matchEvaluator);return jsonString;}/// <summary>/// 从一个对象信息生成Json串/// </summary>/// <param name="obj">转换对象</param>/// <typeparam name="T">对象类型</typeparam>/// <returns></returns>public static string ToJson<T>(this T obj){var fullName = typeof (T).FullName;if (fullName != null && fullName.Contains("<>f__AnonymousType")){//匿名类型var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();return serializer.Serialize(obj);}else{var serializer = new DataContractJsonSerializer(typeof(T));string json;using (MemoryStream stream = new MemoryStream()){serializer.WriteObject(stream, obj);json = Encoding.UTF8.GetString(stream.ToArray());stream.Close();}return json;}}/// <summary>/// JSON反序列化/// </summary>public static T JsonDeserialize<T>(string jsonString){//将"yyyy-MM-dd HH:mm:ss"格式的字符串转为"\/Date(1294499956278+0800)\/"格式const string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";MatchEvaluator matchEvaluator = ConvertDateStringToJsonDate;Regex reg = new Regex(p);jsonString = reg.Replace(jsonString, matchEvaluator);DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));T obj = (T)ser.ReadObject(ms);return obj;}/// <summary>/// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串/// </summary>private static string ConvertJsonDateToDateString(Match m){DateTime dt = new DateTime(1970, 1, 1);dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value));dt = dt.ToLocalTime();string result = dt.ToString("yyyy-MM-dd HH:mm:ss");return result;}/// <summary>/// 将时间字符串转为Json时间/// </summary>private static string ConvertDateStringToJsonDate(Match m){DateTime dt = DateTime.Parse(m.Groups[0].Value);dt = dt.ToUniversalTime();TimeSpan ts = dt - DateTime.Parse("1970-01-01");string result = string.Format("\\/Date({0}+0800)\\/", ts.TotalMilliseconds);return result;}}