static public void yaheifont()  {    uf = AssetDatabase.LoadAssetAtPath("Assets/yahei.prefab",typeof( UIFont)) as UIFont;     UnityEngine.Object[] objs = Selection.GetFiltered (typeof(UnityEngine.Object), SelectionMode.DeepAssets);     foreach (UnityEngine.Object _obj in objs)     {       string path = AssetDatabase.GetAssetPath(_obj);       Debug.Log("objname:"+_obj.name);       UnityEngine.Object[] arr = AssetDatabase.LoadAllAssetsAtPath(path);       Debug.Log("PATH:"+path);       foreach (Object j in arr)       {         if(j.GetType()==typeof(UILabel))         {           (j as UILabel).bitmapFont = uf;           Debug.Log("dfdfd:" + j.name + ",tyep:" + j.GetType());          }        }       EditorUtility.SetDirty(_obj);     }     AssetDatabase.SaveAssets();  }