代碼一：（LitJson:需要導入LitJson）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using LitJson;//添加命名空間
using System.IO;//

namespace biji25_20170525_Json
{
    class Program
    {
        static void Main(string[] args)
        {
            List
 
<Skill> skilllist = new List<Skill>();
            if (false)//註釋代碼功能
            {
                //第一種解析方式
                JsonData jsonData = JsonMapper.ToObject(File.ReadAllText("Skill.txt"));
                foreach (JsonData item in jsonData)
                {
                    Skill skill 
 
= new Skill();
                    //解析出來的所有數據都是jsondata類型
                    JsonData id = item["ID"];
                    JsonData name = item["Name"];
                    JsonData damage = item["Damage"];

                    int idValue = int.Parse(id.ToString());
                    string nameValue = name.ToString();
                    
 
int damageValue = int.Parse(damage.ToString());

                    skill.ID = idValue;
                    skill.Name = nameValue;
                    skill.Damage = damageValue;

                    skilllist.Add(skill);
                }
                if (skilllist != null)
                {
                    foreach (var item in skilllist)
                    {
                        Console.WriteLine(item);
                    }
                }
                Console.WriteLine();
                Console.ReadKey();
                //第二種解析方式    （類屬性必須與Json串的鍵保持一致（名字相同））
                Skill[] skillArray = JsonMapper.ToObject<Skill[]>(File.ReadAllText("Skill.txt"));
                foreach (var item in skillArray)
                {
                    Console.WriteLine(item);
                }
                Console.WriteLine();
                Console.ReadKey();
                //第三種
                skilllist = JsonMapper.ToObject<List<Skill>>(File.ReadAllText("Skill.txt"));
                foreach (var item in skilllist)
                {
                    Console.WriteLine(item);
                }
                Console.WriteLine();
                Console.ReadKey();
                //——————
                Player p = JsonMapper.ToObject<Player>(File.ReadAllText("Player.txt"));
                foreach (var item in p.Skill)
                {
                    Console.WriteLine(item);
                }
                Console.WriteLine();
                Console.ReadKey();
                //——————
                //json的寫入
                JsonWriter jw = new JsonWriter();
                jw.WriteArrayStart();//json裏的中括號
                //------【{
                jw.WriteObjectStart();//json裏的花括號
                jw.WritePropertyName("Hello");//書寫鍵的名字
                jw.Write("Hi");//書寫鍵的值
                jw.WriteObjectEnd();
                //--}{第二個
                jw.WriteObjectStart();//json裏的花括號
                jw.WritePropertyName("Hello");//書寫鍵的名字
                jw.Write("Hi");//書寫鍵的值
                jw.WriteObjectEnd();
                //--}{第三個
                jw.WriteObjectStart();//json裏的花括號
                jw.WritePropertyName("Hello");//書寫鍵的名字
                jw.Write("Hi");//書寫鍵的值
                jw.WriteObjectEnd();
                //------}】
                jw.WriteArrayEnd();
                string json = jw.ToString();//獲取寫好的json串
                Console.WriteLine(json);
                Console.WriteLine();
                Console.ReadKey();
                //——————

            }
            //————————————————————————
            JsonData data = JsonMapper.ToObject(File.ReadAllText("Skill.txt"));
            foreach (JsonData item in data )
            {
                item["ID"] = 5;
            }
            JsonWriter jw1 = new JsonWriter();
            data.ToJson(jw1);
            string json1 = jw1.ToString();
            Console.WriteLine(json1);
            File.WriteAllText("Skill1.txt", json1);


            Console.ReadKey();
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace biji25_20170525_Json
{
    class Player
    {
        public string Name;
        public int Level;
        public int Money;
        public List<Skill> Skill;
        public override string ToString()
        {
            return string.Format("Name:{0}", "Level:{1}", "Money:{2}", Name, Level, Money);
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace biji25_20170525_Json
{
    class Skill
    {
        public int ID;
        public string Name;
        public int Damage;
        public override string ToString()
        {
            return string.Format("ID:{0} Name:{1} Damage:{2}", ID, Name, Damage);
        }
    }
}

代碼二：（不需要導入）

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Jsons : MonoBehaviour
{
    void Start()
    {
        TestClass tc = new TestClass();
        tc.testName = "ABC";
        tc.testPrice = 100;
        tc.testFloat = 10.1f;
        tc.testIntArray = new int[] { 1, 2, 5 };
        tc.testStringArray = new string[] { "星期一", "星期二", "星期三" };
        tc.testItemInfo = new ItemInfo() { ID = "1001", itemName = "屠龍寶刀" };
        ItemInfo itemA = new ItemInfo() { ID = "1002", itemName = "屠龍刀" };
        ItemInfo itemB = new ItemInfo() { ID = "1003", itemName = "刀" };

        tc.testItemInfoArray = new ItemInfo[] { itemA, itemB };

        tc.testDic.Add("2005", "yitianjian");
        tc.testDic.Add("1008", "tulongdao");

        tc.testItemDic.Add("AA", itemA);
        tc.testItemDic.Add("BB", itemB);


        string testJson = JsonUtility.ToJson(tc);
        Debug.Log(testJson);
    }
}

public class ItemInfo
{
    public string ID;
    public string itemName;
    //public string des;//描述
    //public int price;
    //public string type;
    //public string wearType;//穿戴類型
    //public int lv;//穿戴等級
    //public string quality;//品質
    //public int atk;
    //public int def;
    //public int curHp;
    //public int maxHp;
    //public int curMp;
    //public int maxMp;
}
public class TestClass
{
    public string testName;
    public int testPrice;
    public float testFloat;
    public int[] testIntArray;
    public string[] testStringArray;
    public List<string> testStrList = new List<string>();

    public ItemInfo testItemInfo;
    public ItemInfo[] testItemInfoArray;

    public Dictionary<string, string> testDic = new Dictionary<string, string>();
    public Dictionary<string, ItemInfo> testItemDic = new Dictionary<string, ItemInfo>();
}

代碼三：（NewTonJson:需要導入NewTonJson）

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using Newtonsoft.Json;
//using System.Linq;

/// <summary>
/// 管理所有物品
/// </summary>
public class ItemMgr : MonoBehaviour
{

    public static ItemMgr instance;

    public TextAsset m_TextAsset;

    private AllItemInfo infos;

    private Dictionary<string, ItemInfo> itemDic = new Dictionary<string, ItemInfo>();//存放藥品

    void Awake()
    {
        instance = this;
        infos = JsonConvert.DeserializeObject<AllItemInfo>(m_TextAsset.text);

        foreach (ItemInfo item in infos.itemList)
        {
            itemDic.Add(item.IDs, item);
        }
    }
}

/// <summary>
/// 物品信息
/// </summary>
public class ItemInfo
{
    public string IDs;
    public string Name;
    /// <summary>
    /// 描述
    /// </summary>
    public string des;
    public int price;
    public string type;
    public string wearType;//穿戴類型
    public int lv;//穿戴等級
    public string quality;//品質
    public int atk;
    public int def;
    public int curHp;
    public int maxHp;
    public int curMp;
    public int maxMp;
}

/// <summary>
/// 物品信息列表，存儲所有物品信息
/// </summary>
public class AllItemInfo
{
    public List<ItemInfo> itemList = new List<ItemInfo>();
}

文本：（Json格式的文本）

{
    "itemList": [
        {
            "ID": "1001",
            "Name": "生命藥水",
            "Des": "回復一定量的生命",
            "Price": "100",
            "Type": "藥品",
            "WearType": "null",
            "WearLv": "0",
            "Quality": "普通",
            "Atk": "0",
            "Def": "0",
            "CurHp": "100",
            "MaxHp": "0",
            "CurMp": "0",
            "MaxMp": "0"
        },
        {
            "ID": "1002",
            "Name": "魔法藥水",
            "Des": "回復一定量的魔法",
            "Price": "100",
            "Type": "藥品",
            "WearType": "null",
            "WearLv": "0",
            "Quality": "普通",
            "Atk": "0",
            "Def": "0",
            "CurHp": "0",
            "MaxHp": "0",
            "CurMp": "100",
            "MaxMp": "0"
        },
        {
            "ID": "2001",
            "Name": "屠龍刀",
            "Des": "武林至尊寶刀屠龍號令天下誰敢不從",
            "Price": "2000",
            "Type": "裝備",
            "WearType": "武器",
            "WearLv": "1",
            "Quality": "普通",
            "Atk": "200",
            "Def": "0",
            "CurHp": "0",
            "MaxHp": "0",
            "CurMp": "0",
            "MaxMp": "0"
        }
    ]
}

JsonNetSample：

using System;
using UnityEngine;
using UnityEngine.UI;
using System.Collections.Generic;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

public class JsonNetSample : MonoBehaviour
{
    public Text Output;

    void Start()
    {
        Output.text = "Start!\n\n";

        TestJson();
        SerailizeJson();
        DeserializeJson();
        LinqToJson();
        JsonPath();

        WriteLine("\nDone!");
    }

    void WriteLine(string msg)
    {
        Output.text = Output.text + msg + "\n";
    }

    public class Product
    {
        public string Name;
        public DateTime ExpiryDate = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
        public decimal Price;
        public string[] Sizes;

        public override bool Equals(object obj)
        {
            if (obj is Product)
            {
                Product p = (Product)obj;

                return (p.Name == Name && p.ExpiryDate == ExpiryDate && p.Price == Price);
            }

            return base.Equals(obj);
        }

        public override int GetHashCode()
        {
            return (Name ?? string.Empty).GetHashCode();
        }
    }

    [System.Serializable]
    public class CharacterListItem
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public int Level { get; set; }
        public string Class { get; set; }
        public string Sex { get; set; }
    }

    void TestJson()
    {
        WriteLine("* TestJson");
        var json = "{\"Id\":51, \"Name\":\"padre\", \"Level\":0, \"Class\":\"Vampire\", \"Sex\":\"F\"}";
        var c = JsonConvert.DeserializeObject<CharacterListItem>(json);
        WriteLine(c.Id + " " + c.Name);
    }

    void SerailizeJson()
    {
        WriteLine("* SerailizeJson");

        Product product = new Product();
        product.Name = "Apple";
        product.ExpiryDate = new DateTime(2008, 12, 28);
        product.Sizes = new string[] { "Small" };

        string json = JsonConvert.SerializeObject(product);
        WriteLine(json);
    }

    public class Movie
    {
        public string Name { get; set; }
        public string Description { get; set; }
        public string Classification { get; set; }
        public string Studio { get; set; }
        public DateTime? ReleaseDate { get; set; }
        public List<string> ReleaseCountries { get; set; }
    }

    void DeserializeJson()
    {
        WriteLine("* DeserializeJson");

        string json = @"{
          ‘Name‘: ‘Bad Boys‘,
          ‘ReleaseDate‘: ‘1995-4-7T00:00:00‘,
          ‘Genres‘: [
            ‘Action‘,
            ‘Comedy‘
          ]
        }";

        Movie m = JsonConvert.DeserializeObject<Movie>(json);

        string name = m.Name;
        WriteLine(name);
    }

    void LinqToJson()
    {
        WriteLine("* LinqToJson");

        JArray array = new JArray();
        array.Add("Manual text");
        array.Add(new DateTime(2000, 5, 23));

        JObject o = new JObject();
        o["MyArray"] = array;

        string json = o.ToString();
        WriteLine(json);
    }

    private void JsonPath()
    {
        WriteLine("* JsonPath");

        var o = JObject.Parse(@"{
            ‘Stores‘: [
            ‘Lambton Quay‘,
            ‘Willis Street‘
            ],
            ‘Manufacturers‘: [
            {
                ‘Name‘: ‘Acme Co‘,
                ‘Products‘: [
                {
                    ‘Name‘: ‘Anvil‘,
                    ‘Price‘: 50
                }
                ]
            },
            {
                ‘Name‘: ‘Contoso‘,
                ‘Products‘: [
                {
                    ‘Name‘: ‘Elbow Grease‘,
                    ‘Price‘: 99.95
                },
                {
                    ‘Name‘: ‘Headlight Fluid‘,
                    ‘Price‘: 4
                }
                ]
            }
            ]
        }");

        JToken acme = o.SelectToken("$.Manufacturers[?(@.Name == ‘Acme Co‘)]");
        WriteLine(acme.ToString());

        IEnumerable<JToken> pricyProducts = o.SelectTokens("$..Products[?(@.Price >= 50)].Name");
        foreach (var item in pricyProducts)
        {
            WriteLine(item.ToString());
        }
    }
}

Unity之Json數據處理