1  //json序列化和反序列化 using System.Runtime.Serialization.Json; 2     public static string JsonSerializer<T>(T t) 3     { 4         DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T)); 5         MemoryStream ms = new MemoryStream(); 6         ser.WriteObject(ms, t); 7         string jsonString = Encoding.UTF8.GetString(ms.ToArray()); 8         ms.Close(); 9         //替换Json的Date字符串10         string p = @"\\/Date\((\d+)\+\d+\)\\/";11         MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);12         Regex reg = new Regex(p);13         jsonString = reg.Replace(jsonString,matchEvaluator);14         return jsonString;15     }16 17     //反序列化18     public static T JsonDeserialize<T>(string jsonString)19     {20         //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}";21         string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";22         MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);23         Regex reg = new Regex(p);24         jsonString = reg.Replace(jsonString, matchEvaluator);25         DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));26         MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));27         T obj = (T)ser.ReadObject(ms);28         return obj;29     }30 31 32 33     /// <summary>      34     /// /// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串    35     /// /// </summary>    36     /// 37   38     private static string ConvertJsonDateToDateString(Match m)    39     {         40         string result = string.Empty;     41         DateTime dt = new DateTime(1970,1,1);    42         dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value));     43         dt = dt.ToLocalTime();       44         result = dt.ToString("yyyy-MM-dd HH:mm:ss");      45         return result;   46     }        47     /// <summary> 48     /// 49     /// 将时间字符串转为Json时间     50     /// /// </summary>     51     /// 52 53     private static string ConvertDateStringToJsonDate(Match m)   54     {         55         string result = string.Empty;      56         DateTime dt = DateTime.Parse(m.Groups[0].Value);    57         dt = dt.ToUniversalTime();        58         TimeSpan ts = dt - DateTime.Parse("1970-01-01");    59         result = string.Format("\\/Date({0}+0800)\\/",ts.TotalMilliseconds);  60         return result;   61     }62 63     public class Person64     {65         public string Name { get; set; }66         public int Age { get; set; }67         public DateTime LastLoginTime { get; set; }68     }69 70 71         //序列化72         Person p = new Person();73         p.Name = "张三";74         p.Age = 28;75         p.LastLoginTime = DateTime.Now;76         string jsonString = JsonSerializer<Person>(p);77         Response.Write(jsonString);78       //  反序列化79         string json = "{\"Age\":28,\"LastLoginTime\":\"2011-01-09 00:30:00\",\"Name\":\"张三\"}";80         Person p = JsonDeserialize<Person>(json);81         Response.Write("姓名：" + p.Name + "</br>");82         Response.Write("年龄：" + p.Age+"</br>");83         Response.Write("时间：" + p.LastLoginTime);84 85         List<Person>list=new List <Person>{86          new Person{Name="张三",Age=24},87          new Person{Name="小白",Age=5}88         };89 90         string jsonString = JsonSerializer<List< Person>>(list);91         Response.Write(jsonString);92 93         Dictionary<string,string>Dic=new Dictionary<string,string>();94         Dic.Add("Name", "24");95         Dic.Add("Age","28");96         string jsonString=JsonSerializer<Dictionary<string,string>>(Dic);97         Response.Write(jsonString);