GHZMRNavigatorProXR/Assets/Scripts/TestAB.cs

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

public class TestAB : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        StartCoroutine(DoLoadAssetBundle());
    }

  
    private IEnumerator DoLoadAssetBundle()
    {
        string url = Application.streamingAssetsPath + "/mrvideo";
        Debug.Log(url);
        using (UnityWebRequest request = UnityWebRequestAssetBundle.GetAssetBundle(url))
        {
            yield return request.SendWebRequest();
            if (request.isHttpError || request.isNetworkError)
            {
                // 下载出错
                print(request.error);
            }
            else
            {
                // 下载完成
                AssetBundle assetBundle = (request.downloadHandler as DownloadHandlerAssetBundle).assetBundle;
                GameObject obj = assetBundle.LoadAsset<GameObject>(assetBundle.GetAllAssetNames()[0]);

                GameObject obj2 = GameObject.Instantiate(obj);
                obj2.AddComponent<MovieScreen>();
                obj2.transform.parent = transform;
                obj2.transform.localPosition = Vector3.zero;
                // 优先释放request 会降低内存峰值
               // request.Dispose();
            }
        }
    }

}