// Use this for initialization void Start() { //bundle下载 localPath = LocalPath.LocalPackagingResources; httpDownloader_bundle = new C_HttpDownloader(); httpDownloader_bundle.DownloadFile(url, localPath, Finish); //manifest下载 httpDownloader_mainifest = new C_HttpDownloader(); httpDownloader_mainifest.DownloadFile(ur2, localPath, Finish); }