WaterFlush/Assets/Scripts/AssetLoadHelper_AB.cs

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

public class AssetLoadHelper_AB : MonoBehaviour
{
    public string ab_name = "";

    //public string[] assestName;

    public Transform insRoot;

    public bool addMat = false;
    public Material defulMat;
    
    void Start()
    {
        if (insRoot == null)
        {
            insRoot = this.transform;
        }
        TextureLoadHelp._Instance.StartCoroutine(Load());
    }

    IEnumerator Load()
    {
        WaitForEndOfFrame wait = new WaitForEndOfFrame();
        WWW www = WWW.LoadFromCacheOrDownload($"{Application.streamingAssetsPath}/{ab_name}", 0);
        yield return www;
        if (www.isDone)
        {
            var tempAb = www.assetBundle;
            GameObject[] objs = tempAb.LoadAllAssets<GameObject>();
            for (int i = 0; i < objs.Length; i++)
            {
                GameObject insObj=Instantiate(objs[i], insRoot);
                if (addMat)
                {
                    insObj.GetComponent<MeshRenderer>().material = defulMat;
                }
                yield return wait;
            }
        }
        else
        {
            Debug.LogError($"{ab_name}下载失败：{www.error}");
        }
        www.Dispose();
    }
}