asp.net json 与xml 的基础事例

  //json序列化和反序列化 using System.Runtime.Serialization.Json;
     public static string JsonSerializer<T>(T t)
     {
         DataContractJsonSerializer 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
         string p = @"\\/Date\((\d+)\+\d+\)\\/";
         MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
         Regex reg = new Regex(p);
         jsonString = reg.Replace(jsonString,matchEvaluator);
         return jsonString;
     }
 
     //反序列化
     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           string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";
         string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";
         MatchEvaluator matchEvaluator = new 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)
     {
         string result = string.Empty;
         DateTime dt = new DateTime(,,);
         dt = dt.AddMilliseconds(long.Parse(m.Groups[].Value));
         dt = dt.ToLocalTime();
         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)
     {
         string result = string.Empty;
         DateTime dt = DateTime.Parse(m.Groups[].Value);
         dt = dt.ToUniversalTime();
         TimeSpan ts = dt - DateTime.Parse("1970-01-01");
         result = string.Format("\\/Date({0}+0800)\\/",ts.TotalMilliseconds);
         return result;
     }
 
     public class Person
     {
         public string Name { get; set; }
         public int Age { get; set; }
         public DateTime LastLoginTime { get; set; }
     }
 
         //序列化
         Person p = new Person();
         p.Name = "张三";
         p.Age = ;
         p.LastLoginTime = DateTime.Now;
         string jsonString = JsonSerializer<Person>(p);
         Response.Write(jsonString);
       //  反序列化
         string json = "{\"Age\":28,\"LastLoginTime\":\"2011-01-09 00:30:00\",\"Name\":\"张三\"}";
         Person p = JsonDeserialize<Person>(json);
         Response.Write("姓名：" + p.Name + "</br>");
         Response.Write("年龄：" + p.Age+"</br>");
         Response.Write("时间：" + p.LastLoginTime);
 
         List<Person>list=new List <Person>{
          new Person{Name="张三",Age=},
          new Person{Name="小白",Age=}
         };
 
         string jsonString = JsonSerializer<List< Person>>(list);
         Response.Write(jsonString);
 
         Dictionary<string,string>Dic=new Dictionary<string,string>();
         Dic.Add("Name", "");
         Dic.Add("Age","");
         string jsonString=JsonSerializer<Dictionary<string,string>>(Dic);
         Response.Write(jsonString);