AssetBundleCreateRequest.assetBundle 资源包
var assetBundle : AssetBundle
Description描述
Asset object being loaded (Read Only).
正在加载的资源物体（只读）。
Note that accessing asset before isDone is true will stall the loading process.
注意，访问资源之前，isDone为真，将停止加载进程。
AssetBundleCreateRequest.assetBundle 资源包
var assetBundle : AssetBundle
Description描述
Asset object being loaded (Read Only).
正在加载的资源物体（只读）。
Note that accessing asset before isDone is true will stall the loading process.
注意，访问资源之前，isDone为真，将停止加载进程。
