yichael_smartbowtv/Assets/BowArrow/Resources/Prefabs/GameSceneLoadBtns.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

public class GameSceneLoadBtns : MonoBehaviour
{
    public static void Create() {
        GameObject.Instantiate(Resources.Load<GameObject>("Prefabs/GameSceneLoadBtns"), GameObject.Find("GameMgr/Canvas").transform);
    }
    // Start is called before the first frame update
    void Start()
    {   
        string curSceneName = SceneManager.GetActiveScene().name;
        string[] sceneNames = {"Demo_01", "demoScene_free", "Demo"};
        for (int i = 0; i < this.transform.childCount; i++) {
            Transform t = this.transform.GetChild(i);
            t.GetComponentInChildren<Text>().text = "场景" + (i + 1);
            string sceneName = sceneNames[i];
            if (sceneName == curSceneName) {
                t.GetComponent<Image>().color = Color.green;
            }
            t.GetComponent<Button>().onClick.AddListener(delegate() {
                SceneManager.LoadScene(sceneName, LoadSceneMode.Single);
            });
        }
    }

    // Update is called once per frame
    void Update()
    {
        
    }
}