我用QT5.1编写开发实战精解中的方块游戏出现如下问题,求各位高手解答,不胜感激。 D:\Qtprojiect\qt34\myGame\mybox.cpp:12: error: reference to 'transform' is ambiguous oldTransform = transform(); ^ D:\Qtprojiect\qt34\myGame\mybox.cpp:50: error: reference to 'setTransform' is ambiguous setTransform(oldTransform); ^ D:\Qtprojiect\qt34\myGame\mybox.cpp:54: error: cannot allocate an object of abstract type 'OneBox' OneBox *temp = new OneBox(color); ^