public static void BuildAllAB()
        {
            string strABOutPathDir = string.Empty;

            strABOutPathDir = PathTools.GetABOutPath();
            if (!Directory.Exists(strABOutPathDir))
            {
                Directory.CreateDirectory(strABOutPathDir);
            }

            BuildPipeline.BuildAssetBundles(strABOutPathDir, BuildAssetBundleOptions.None, BuildTarget.StandaloneWindows64);
            AssetDatabase.Refresh();
        }
        public static void DeleteAllAB()
        {
            string strABNeedPathDir = string.Empty;

            strABNeedPathDir = PathTools.GetABOutPath();
            if (!string.IsNullOrEmpty(strABNeedPathDir))
            {
                //这里参数true表示可以删除非空目录
                Directory.Delete(strABNeedPathDir, true);

                File.Delete(strABNeedPathDir + ".meta");
                AssetDatabase.Refresh();
            }
        }