Unity Assetbundle 打包 加载

打包（脚本放到Editor文件夹下）：

[MenuItem("Framework/Build iPhone Resource", false, 100)]public static void BuildiPhoneResource(){BuildTarget target;target = BuildTarget.iOS;BuildAssetResource(target);}[MenuItem("Framework/Build Android Resource", false, 101)]public static void BuildAndroidResource(){BuildAssetResource(BuildTarget.Android);}[MenuItem("Framework/Build WebGL Resource", false, 101)]public static void BuildWebGLResource(){BuildAssetResource(BuildTarget.WebGL);}[MenuItem("Framework/Build Windows Resource", false, 102)]public static void BuildWindowsResource(){BuildAssetResource(BuildTarget.StandaloneWindows);}/// <summary>/// 生成绑定素材/// </summary>private static void BuildAssetResource(BuildTarget _target){string streamPath = Application.streamingAssetsPath;BuildPipeline.BuildAssetBundles(streamPath, BuildAssetBundleOptions.None, _target);AssetDatabase.Refresh();}

将需要打包的素材（最好是做成预设）在AssetLabels面板设置好AssetBundle名称和后缀名之后就可以在菜单栏的Framework菜单下进行打包了，需要注意选则要发布的平台。如果设置的AssetBundle名称及后缀相同，则会打到一个AssetBundle包中。

加载：

string _path = string.Format("{0}/{1}.asset", Application.streamingAssetsPath, _name);#if !UNITY_WEBGL||UNITY_EDITORAssetBundle _ab = AssetBundle.LoadFromFile(_path);Transform newTarget = Instantiate<GameObject>(_ab.LoadAsset(_name) as GameObject, target).transform;newTarget.DOScale(new Vector3(0, 0, 0), 0.2f).From();_ab.Unload(false);#elseStartCoroutine(GetAsset(_path,_name));#endif

private IEnumerator GetAsset(string _path,string _name){WWW _www = new WWW(_path);yield return _www;if (null == _www.error){AssetBundle _ab = _www.assetBundle;Transform newTarget = Instantiate<GameObject>(_ab.LoadAsset(_name) as GameObject, target).transform;newTarget.DOScale(new Vector3(0, 0, 0), 0.2f).From();_ab.Unload(false);}else{print(_www.error);}}

至此看起来和之前都没有啥不同，但是！！5.0之前的Unity打包的时候会在包里指定mainAsset，现在去获取的话只能得到null (/ □ \)，所以加载的时候一定要注意，使用LoadAssett（Name）的方式进行加载。