public class View_LoadingScene : MonoBehaviour

     {

         //场景加载进度条对象

         public GameObject loadingProgressBar;

         //进度条组件

         private Slider _loadingProgressBarComp;

         //当前进度值

         private float _curProgressValue = 0f;

         private AsyncOperation _asyncOp;

         private void Awake()

         {

             if(loadingProgressBar != null)

             {

                 //获取进度条组件

                 _loadingProgressBarComp = loadingProgressBar.GetComponent<Slider>();

             }

         }

         private void Start()

         {

             StartCoroutine("LoadingLevelAsync");

         }

         private void Update()

         {

             //模拟加载进度

             if(_loadingProgressBarComp.value <= 1f)

             {

                 SimulateLoad();

             }

             _loadingProgressBarComp.value = _curProgressValue;

         }

         private void SimulateLoad()

         {

             _curProgressValue += 0.01f;

         }

         //异步加载核心函数

         IEnumerator LoadingLevelAsync()

         {

             _asyncOp = SceneManager.LoadSceneAsync("2_LogonScene");

             _curProgressValue = _asyncOp.progress;

             yield return _asyncOp;

         }

     }