JsonUtility Test

JsonUtilityTest.cs

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

public class JsonUtilityTest : MonoBehaviour
{
    private void Start ()
    {
        var orgTest = new TestClass();
        orgTest.Log();

        // Json化
        string jsonStr = JsonUtility.ToJson(orgTest);
        Debug.Log("jsonStr:" + jsonStr);

        // Jsonから復元
        var newTest = JsonUtility.FromJson<TestClass>(jsonStr);
        newTest.Log();
    }

    /// <summary>
    /// Json化したいクラス
    /// </summary>
    public class TestClass : ISerializationCallbackReceiver
    {
        public string str;
        public int num;
        public List<string> strList;
        public TestClass2 test2;
        public Dictionary<int, string> dic;

        // Dictionaryシリアライズ化用List
        public List<int> dicKeys;
        public List<string> dicVals;

        public TestClass ()
        {
            str = "テスト";
            num = 10;
            strList = new List<string> { "陸", "海", "空" };
            test2 = new TestClass2();
            dic = new Dictionary<int, string>();
            dic.Add(1, "dic1");
            dic.Add(2, "dic2");
            dic.Add(3, "dic3");

            dicKeys = new List<int>();
            dicVals = new List<string>();
        }

        public void Log ()
        {
            string logStr = "str:" + str + " num:" + num;
            for (int i = 0; i < strList.Count; i++) {
                logStr += " list" + i + ":" + strList[i];
            }
            logStr += " test2.str2:" + test2.str2 + " test2.num2" + test2.num2;
            foreach (var kvp in dic) {
                logStr += " " + kvp.Key + ":" + kvp.Value;
            }
            Debug.Log(logStr);
        }

        /// <summary>
        /// シリアライズ前イベント
        /// </summary>
        public void OnBeforeSerialize ()
        {
            // DictionaryをListとして保存
            dicKeys.Clear();
            dicVals.Clear();
            foreach (var kvp in dic) {
                dicKeys.Add(kvp.Key);
                dicVals.Add(kvp.Value);
            }
        }

        /// <summary>
        /// デシリアライズ後イベント
        /// </summary>
        public void OnAfterDeserialize ()
        {
            // ListからDictionaryへ復元
            dic = new Dictionary<int, string>();
            for (int i = 0; i < Math.Min(dicKeys.Count, dicVals.Count); i++) {
                dic.Add(dicKeys[i], dicVals[i]);
            }
        }
    }

    /// <summary>
    /// Json化したいクラスに含まれるクラス
    /// </summary>
    [Serializable]
    public class TestClass2
    {
        public string str2;
        public int num2;

        public TestClass2 ()
        {
            str2 = "テスト2";
            num2 = 20;
        }
    }
}