QuWen/Assets/Scripts/Data/GameData.cs

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

public class GameData : MonoBehaviour
{
    public static GameData Instance { get; private set; }

    //public string username = "游客";
    public string appleUserId = "123";
    /// <summary>
    /// 是否是游客
    /// </summary>
    public bool isYouke;

    private void Awake()
    {
        // 确保全局唯一
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
            return;
        }
        Instance = this;
        DontDestroyOnLoad(gameObject); // 场景切换不销毁
    }
}