一不小心，不知道哪裡犯了個錯，特別總結下。。。。。。。。。。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json;

namespace Tjson
{
    class Program
    {
        static void Main(string[] args)
        {
            string json = "";
            json = "{\"name\":\"小王\",\"upid\":\"4\",\"rid\":\"1\",\"tid\":\"2\",\"day\":\"0\"}";

            Program p = new Program();
            User u=new User();
            u=p.GetUserData(json);
            Console.WriteLine("輸出Json字串");
            Console.WriteLine("名稱:{0} uid:{1} rid:{2} tid:{3}",u.name,u.upid,u.rid,u.tid);
            Console.WriteLine("輸出完畢");
            Console.ReadLine();

            json = "";
            json += "[";
            json += "{\"name\":\"小王1\",\"upid\":\"4\",\"rid\":\"1\",\"tid\":\"21\",\"day\":\"10\"},";
            json += "{\"name\":\"小王2\",\"upid\":\"3\",\"rid\":\"2\",\"tid\":\"22\",\"day\":\"100\"},";
            json += "{\"name\":\"小王3\",\"upid\":\"2\",\"rid\":\"3\",\"tid\":\"23\",\"day\":\"1000\"},";
            json += "{\"name\":\"小王4\",\"upid\":\"1\",\"rid\":\"4\",\"tid\":\"24\",\"day\":\"10000\"}";
            json += "]";

            Console.WriteLine(json);

            Console.WriteLine();
            Console.ReadLine();
            
            List<User> li = JsonConvert.DeserializeObject<List<User>>(json);
            
            Console.WriteLine("輸出Json陣列");
            for (int i = 0; i < li.Count; i++)
            {
                Console.WriteLine("名稱:{0} uid:{1} rid:{2} tid:{3} day:{4}", li[i].name, li[i].upid, li[i].rid, li[i].tid,li[i].day);        
            }
            Console.ReadLine();
        }

        public User GetUserData(string jsonText)
        {
            User rb = JsonConvert.DeserializeObject<User>(jsonText);
            return rb;
        }

        public class User
        {
            public string name { get; set; }
            public string upid { get; set; }
            public string rid { get; set; }
            public string tid { get; set; }
            public string day { get; set; }
        }        
    }
}
 

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