asp.net json 与xml 的基础事例

             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);
 7string jsonString = Encoding.UTF8.GetString(ms.ToArray());
 8        ms.Close();
 9//替换Json的Date字符串10string p = @"\\/Date\((\d+)\+\d+\)\\/";
11         MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
12         Regex reg = new Regex(p);
13         jsonString = reg.Replace(jsonString,matchEvaluator);
14return jsonString;
15    }
1617//反序列化18publicstatic 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}";21string 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);
28return obj;
29    }
30313233///<summary>34////// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串    
35//////</summary>36///3738privatestaticstring ConvertJsonDateToDateString(Match m)    
39    {         
40string 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");      
45return result;   
46    }        
47///<summary>48///49/// 将时间字符串转为Json时间     
50//////</summary>51///5253privatestaticstring ConvertDateStringToJsonDate(Match m)   
54    {         
55string 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);  
60return result;   
61    }
6263publicclass Person
64    {
65publicstring Name { get; set; }
66publicint Age { get; set; }
67public DateTime LastLoginTime { get; set; }
68    }
697071//序列化72         Person p = new Person();
73         p.Name = "张三";
74         p.Age = 28;
75         p.LastLoginTime = DateTime.Now;
76string jsonString = JsonSerializer<Person>(p);
77        Response.Write(jsonString);
78//  反序列化79string 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);
8485         List<Person>list=new List <Person>{
86new Person{Name="张三",Age=24},
87new Person{Name="小白",Age=5}
88        };
8990string jsonString = JsonSerializer<List< Person>>(list);
91        Response.Write(jsonString);
9293         Dictionary<string,string>Dic=new Dictionary<string,string>();
94         Dic.Add("Name", "24");
95         Dic.Add("Age","28");
96string jsonString=JsonSerializer<Dictionary<string,string>>(Dic);
97         Response.Write(jsonString);