void OnWizardOtherButton(){
GameObject[] objects = Selection.gameObjects;
int count = 0;
foreach (GameObject go in objects) {
Undo.RecordObject (go, "change name");
go.name += changeName;
count++;
EditorUtility.DisplayProgressBar ("进度", count + "/" + objects.Length, (float)count / objects.Length);
}
EditorUtility.ClearProgressBar ();//关闭进度条
ShowNotification (new GUIContent (Selection.gameObjects.Length + "个物体被修改了"));
}使用EditorUtility的静态方法DisplayProgressBar(标题,提示,进度float)