[asp.net]C#实现json的序列化和反序列化-白红宇

[asp.net]C#实现json的序列化和反序列化

阅读量：6688 次

发布时间：2019-06-25

本文共 3369 字，大约阅读时间需要 11 分钟。

1 using System;  2 using System.Collections.Generic;  3 using System.Web.Script.Serialization;  4 using System.Configuration;  5 using System.Runtime.Serialization.Json;  6 using System.Runtime.Serialization;  7 using System.IO;  8 using System.Text;  9  10  11 namespace WebApplication1 12 { 13  14     //方法一：引入System.Web.Script.Serialization命名空间使用 JavaScriptSerializer类实现简单的序列化 15     [Serializable] 16     public class Person 17     { 18          19         private int id; 20         ///  21         /// id 22         /// 
 23         public int Id 24         { 25             get { return id; } 26             set { id = value; } 27         } 28  29         private string name; 30         ///  31         /// 姓名 32         /// 
 33         public string Name 34         { 35             get { return name; } 36             set { name = value; } 37         } 38     } 39  40     //方法二：引入 System.Runtime.Serialization.Json命名空间使用 DataContractJsonSerializer类实现序列化 41     //可以使用IgnoreDataMember:指定该成员不是数据协定的一部分且没有进行序列化，DataMember:定义序列化属性参数，使用DataMember属性标记字段必须使用DataContract标记类 否则DataMember标记不起作用。 42     [DataContract] 43     public class Person1 44     { 45          46         [IgnoreDataMember] 47         public int Id { get; set; } 48  49         [DataMember(Name = "name")] 50         public string Name { get; set; } 51         [DataMember(Name = "sex")] 52         public string Sex { get; set; } 53  54     } 55  56     public partial class _Default : System.Web.UI.Page 57     { 58         string constr = ConfigurationManager.ConnectionStrings["connstr"].ConnectionString; 59          60         protected void Page_Load(object sender, EventArgs e) 61         { 62              63             Person p1 = new Person(); 64             p1.Id = 1; 65             p1.Name = "dxw"; 66             Person p2 = new Person(); 67             p2.Id = 2; 68             p2.Name = "wn"; 69  70             List
     
       listperson = new List
      
       (); 71             listperson.Add(p1); 72             listperson.Add(p2); 73  74             JavaScriptSerializer js = new JavaScriptSerializer(); 75             //json序列化 76             string s = js.Serialize(listperson); 77             Response.Write(s); 78  79  80  81             //方法二 82             Person1 p11 = new Person1(); 83             p11.Id = 1; 84             p11.Name = "hello"; 85             p11.Sex = "男"; 86             DataContractJsonSerializer json = new DataContractJsonSerializer(p11.GetType()); 87  88             string szJson = ""; 89  90             //序列化 91  92             using (MemoryStream stream = new MemoryStream()) 93  94             { 95  96                 json.WriteObject(stream, p11); 97  98                 szJson = Encoding.UTF8.GetString(stream.ToArray()); 99 100                 Response.Write(szJson);101             }102 103             //反序列化104 105             //using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(szJson)))106 107             //{108 109             //    DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(People));110 111             //    Person1 _people = (Person1)serializer.ReadObject(ms);112 113             //}114          }115         116 117 118         protected void Button1_Click(object sender, EventArgs e)119         {120             Response.Write(constr);121         }122 123 124     }