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记得qt4是可以的运行时加一句话就行了（但是qt5这个功能去哪了呢），我的程序是480X800的，但是屏幕是800X480的，我想把它横过来。。。。求帮助
試試這個 http://qt-project.org/doc/qt-5/qml-qtquick-window-window.html#contentOrientation-prop
