DeMa/Assets/LoadModelAB.cs

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

public class LoadModelAB : MonoBehaviour
{
    public List<string> strlist;
    public GameObject loadtext;
    public static Dictionary<string,GameObject>  ModelDic = new Dictionary<string, GameObject>();
    // Start is called before the first frame update
    void Start()
    {
            StartCoroutine(Downloadab());
    }
    IEnumerator Downloadab()
    {      
        while (DeMaDataManager.ip=="")
        {
            yield return null;
        }        
        while (DeMaDataManager.token=="")
        {
            yield return null;
        }
        yield return new WaitForSeconds(1f);
        for (int i = 0;i<strlist.Count;i++)
        {
           yield return  StartCoroutine(LoadAB(strlist[i]));
        }
         loadtext.SetActive(false);
    }
    IEnumerator LoadAB(string assetBundleName)
    {
        AssetBundle ab =null;
        string filePath = System.IO.Path.Combine(Application.streamingAssetsPath + "/bd", assetBundleName);
 #if UNITY_EDITOR_OSX
        AssetBundleCreateRequest assetBundle = AssetBundle.LoadFromFileAsync(filePath);
        yield return assetBundle;
        ab = assetBundle.assetBundle;
        // 加载AssetBundle
#else

        UnityWebRequest req = UnityWebRequestAssetBundle.GetAssetBundle(filePath);
        yield return req.SendWebRequest();
        if (req.error == null)
        {
          ab = (req.downloadHandler as DownloadHandlerAssetBundle).assetBundle;
        }
        else
        {
            loadtext.GetComponent<Text>().text=req.error;
        }

#endif
        if(ab)
        {
            AssetBundleRequest abr =ab.LoadAssetAsync<GameObject>(assetBundleName);
            yield return abr;
            GameObject  Model = GameObject.Instantiate((GameObject)abr.asset);
            Model.transform.SetParent(this.transform);
            Model.transform.localEulerAngles = Vector3.zero;
            Model.transform.localPosition = Vector3.zero;
            Model.transform.localScale = Vector3.one;
            Model.name = assetBundleName+"_Model";
            ModelDic.Add(assetBundleName,Model);
        }
    }
    // Update is called once per frame
    void Update()
    {
        
    }
}