這篇文章主要介紹C#怎么實現(xiàn)JSON與對象之間互相轉換功能，文中介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們一定要看完！

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1.首先是聲明用戶信息對象，DataContract修飾類，表示可以被解析成JSON，DataMember修飾屬性，Order表示 解析的順序，另外Lover是數(shù)組列表，表示女朋友個數(shù)

Address 表示送貨地址，DailyRecord  表示日常記錄

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
namespace FunctionTest.Model
{
  [DataContract]
  public class UserInfo
  {
    [DataMember(Order =0)]
    public string UserName { get; set; }
    [DataMember(Order = 1)]
    public int Age { get; set; }
    [DataMember(Order = 2)]
    public int Gender { get; set; }
    [DataMember(Order =3)]
    public List Lover { get; set; }
    [DataMember(Order = 4)]
    public ContactAddress Address { get; set; }
    [DataMember(Order = 5)]
    public Dictionary DailyRecord {
      get; set;
    }
  }
  [DataContract]
  public class ContactAddress
  {
    [DataMember(Order =0)]
    public string Province { get; set; }
    [DataMember(Order = 1)]
    public string City { get; set; }
    [DataMember(Order = 2)]
    public string Country { get; set; }
    [DataMember(Order = 3)]
    public string Details { get; set; }
  }
}

2.JSON幫助類 核心代碼

/// 

/// Json轉換成對象
/// 
/// 
/// 
/// 
public static T JsonToObject(string jsonText)
{
  DataContractJsonSerializer s = new DataContractJsonSerializer(typeof(T));
  MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonText));
  T obj = (T)s.ReadObject(ms);
  ms.Dispose();
  return obj;
}
/// 

/// 對象轉換成JSON
/// 
/// 
/// 
/// 
public static string ObjectToJSON(T obj)
{
  DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
  string result = string.Empty;
  using (MemoryStream ms = new MemoryStream())
  {
    serializer.WriteObject(ms, obj);
    ms.Position = 0;
    using (StreamReader read = new StreamReader(ms))
    {
      result = read.ReadToEnd();
    }
  }
  return result;
}

3.調用

//1.對象-->JSON
UserInfo info = new UserInfo
{
    Age = 10,
    Gender = 1,
    UserName = "劉德華",
    Lover = new List { "美女1", "美女2", "美女3" },
    Address = new ContactAddress
    {
      Province = "湖南省",
      City = "長沙市",
      Country = "望城縣",
      Details = "某旮旯快遞找不到的地方"
    },
    DailyRecord = new Dictionary { { "星期一", "吃飯" }, { "星期二", "洗衣服" }, { "星期三", "好事情" } }
};
string json = ObjectToJSON(info);

4.反序列化后的結果

代碼如下:

{"UserName":"劉德華","Age":10,"Gender":1,"Lover":["美女1","美女2","美女3"],"Address":{"Province":"湖南省","City":"長沙市","Country":"望城縣",
"Details":"某旮旯快遞找不到的地方"},"DailyRecord":[{"Key":"星期一","Value":"吃飯"},{"Key":"星期二","Value":"洗衣服"},{"Key":"星期三","Value":"好事情"}]}

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