| 12345678910111213141516171819202122232425 | using UnityEngine;namespace GFGGame{    public class DeviceUniqueIdHelper    {        private const string UniqueIdentifierKey = "UniqueIdentifier";        public static string GetDeviceUniqueId()        {            // 尝试从本地存储中获取唯一标识符            string uniqueIdentifier = PlayerPrefs.GetString(UniqueIdentifierKey);            // 如果本地存储中不存在唯一标识符,生成一个新的唯一标识符            if (string.IsNullOrEmpty(uniqueIdentifier))            {                uniqueIdentifier = SystemInfo.deviceUniqueIdentifier;                // 将唯一标识符存储到本地存储中                PlayerPrefs.SetString(UniqueIdentifierKey, uniqueIdentifier);            }                        return PlayerPrefs.GetString(UniqueIdentifierKey);        }    }}
 |