JSON转码源代码（基于.NET 3.0及以上）

 using System;

    
 using System.Collections.Generic;
    
 using System.IO;
    
 using System.Linq;
    
 using System.Text;
    
 using System.Runtime.Serialization;
    
 using System.Runtime.Serialization.Json;
    
  
    
     public class JsonTools
    
     {       
    
     /// <summary>
    
     /// 从一个对象信息生成Json串
    
     /// </summary>
    
     /// <param name="obj">The object.</param>
    
     /// <returns>JSON</returns>
    
     public static string ObjectToJson(object obj)
    
     {
    
         DataContractJsonSerializer serializer = new DataContractJsonSerializ