/// <summary>
 /// 通过名称删除AB包对象
 /// </summary>
 public static void DeleteBundleInfoByName(string bundleName)
 {
     if (_bundleInfos.ContainsKey(bundleName))
     {
         BundleInfo bundle = _bundleInfos[bundleName];
         bundle.ClearAsset();
         _bundleInfos.Remove(bundleName);
         BundleInfosList.Remove(bundle);
         AssetDatabase.RemoveAssetBundleName(bundleName, true);
     }
 }
        private void TitleGUI()
        {
            if (GUI.Button(new Rect(5, 5, 60, 15), "Create", _preButton))
            {
                AssetBundleEditorUtility.GetBundleInfoByName("ab" + System.DateTime.Now.ToString("yyyyMMddHHmmssfff"));
            }

            GUI.enabled = (_currentAB != null);

            if (GUI.Button(new Rect(65, 5, 60, 15), "Rename", _preButton))
            {
                _isRename = !_isRename;
            }
            if (GUI.Button(new Rect(125, 5, 60, 15), "Clear", _preButton))
            {
                if (EditorUtility.DisplayDialog("Prompt", "Clear " + _currentAB + " ?", "Yes", "No"))
                {
                    _currentAB.ClearAsset();
                }
            }
            if (GUI.Button(new Rect(185, 5, 60, 15), "Delete", _preButton))
            {
                if (EditorUtility.DisplayDialog("Prompt", "Delete " + _currentAB + "?this will clear all assets!and this operation cannot be restore!", "Yes", "No"))
                {
                    AssetBundleEditorUtility.DeleteBundleInfoByName(_currentAB.Name);
                    _currentAB = null;
                }
            }

            GUI.enabled = true;

            _hideInvalidAsset  = GUI.Toggle(new Rect(265, 5, 100, 15), _hideInvalidAsset, "Hide Invalid");
            _hideBundleAsset   = GUI.Toggle(new Rect(365, 5, 100, 15), _hideBundleAsset, "Hide Bundled");
            _showOnlyRedundant = GUI.Toggle(new Rect(465, 5, 200, 15), _showOnlyRedundant, "Show Only Redundant");

            GUI.Label(new Rect(5, 25, 60, 15), "Variant:");
            _variant = EditorGUI.TextField(new Rect(70, 25, 110, 15), _variant);
            if (GUI.Button(new Rect(185, 25, 60, 15), "Apply", _preButton))
            {
                EditorPrefs.SetString(EditorPrefsTable.AssetBundleEditor_Variant, _variant);
            }

            if (GUI.Button(new Rect(250, 25, 60, 15), "Open", _preButton))
            {
                AssetBundleEditorUtility.OpenFolder(_buildPath);
            }
            if (GUI.Button(new Rect(310, 25, 60, 15), "Browse", _preButton))
            {
                string path = EditorUtility.OpenFolderPanel("Select Path", Application.dataPath, "");
                if (path.Length != 0)
                {
                    _buildPath = path;
                    EditorPrefs.SetString(EditorPrefsTable.AssetBundleEditor_BuildPath, _buildPath);
                }
            }

            GUI.Label(new Rect(370, 25, 70, 15), "Build Path:");
            GUI.TextField(new Rect(440, 25, 300, 15), _buildPath);

            BuildTarget buildTarget = (BuildTarget)EditorGUI.EnumPopup(new Rect((int)position.width - 205, 5, 150, 15), _buildTarget, _preDropDown);

            if (buildTarget != _buildTarget)
            {
                _buildTarget = buildTarget;
                EditorPrefs.SetInt(EditorPrefsTable.AssetBundleEditor_BuildTarget, (int)_buildTarget);
            }

            if (GUI.Button(new Rect((int)position.width - 55, 5, 50, 15), "Build", _preButton))
            {
                AssetBundleEditorUtility.BuildAssetBundles();
            }
        }