void SaveAssetBundle(string fileName, byte[] bytes, Action saveLocalComplate = null)
{
string path = AssetBundleMgr.GetApplicationdataPath() + fileName;
FileInfo fileInfo = new FileInfo(path);
FileStream fs = fileInfo.Create();
fs.Write(bytes, 0, bytes.Length);
fs.Flush();
fs.Close();
fs.Dispose();
if (saveLocalComplate != null)
{
saveLocalComplate();
}
}
/// <summary>
/// 下载根目录AssetBundle文件
/// </summary>
/// <returns></returns>
IEnumerator DownloadAssetBundles()
{
using (UnityWebRequest www = UnityWebRequest.Get(AssetBundlePath + MainAssetBundleName))
{
yield return(www.SendWebRequest());
if (www.isNetworkError)
{
yield break;
}
byte[] datas = www.downloadHandler.data;
SaveAssetBundle(MainAssetBundleName, datas);
string localPath = AssetBundleMgr.GetApplicationdataPath() + MainAssetBundleName;
AssetBundle mainAssetBundle = AssetBundle.LoadFromFile(localPath);
if (mainAssetBundle == null)
{
yield break;
}
//获取AssetBundleManifest文件
AssetBundleManifest manifest = mainAssetBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest");
//获取AssetBundleManifest中的所有AssetBundle的名称信息
string[] assets = manifest.GetAllAssetBundles();
for (int i = 0; i < assets.Length; i++)
{
Debug.Log(AssetBundlePath + assets[i]);
//开启协程下载所有的
StartCoroutine(DownloadAssetBundleAndSave(AssetBundlePath, assets[i], () =>
{
//下载完成，按照之前的方法，从本地加载AssetBundle并设置。
Image_BackGround.overrideSprite = AssetBundleMgr.LoadResource <Sprite>("UI_1003", "uibackground");
}));
}
}
}