WaiXie_QuestionSystem/Assets/Script/UI/Item/ScrollItem.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Random = UnityEngine.Random;

namespace Script.UI
{
    public class ScrollItem : MonoBehaviour
    {
        public Text txtNum;

        private List<string> _list = new List<string>();

        private int index = 0;

        public float time;
        private WaitForSeconds _waitForSeconds;

        private void OnEnable()
        {
            _list = ExcelManager.Instance.GetAllPlayerID;
            _waitForSeconds = new WaitForSeconds(time);

            StartCoroutine(Upd());
        }

        private void OnDisable()
        {
            StopCoroutine(Upd());
        }

        IEnumerator Upd()
        {
            yield return null;
            while (true)
            {
                yield return _waitForSeconds;
                ++index;
                if (index >= _list.Count - 1)
                {
                    index = 0;
                }

                txtNum.text = _list[index];
            }
        }

        public void ShowOrHide(bool isShow)
        {
            gameObject.SetActive(isShow);
        }
    }
}