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 Person
64 {
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);
