void onDownloadAssetSuccess(WWW www, object item)
{
print("单个ab下载成功");
if (www.isDone && string.IsNullOrEmpty(www.error))
{
if (CSharpUtils.UncompressMemory(AppConfig.HotAssetsPath, www.bytes))
{
FileData data = item as FileData;
data.needUpdate = false;
}
}
}
