我升级到2.2.1出问题了
middlePanel = dynamic_cast<UIPanel*>(m_pUILayer->getWidgetByName(“mid”));
fbLayout = dynamic_cast<Layout*>(GUIReader::shareReader()->widgetFromJsonFile("fuben.json"));//获得UI界面
zdLayout = dynamic_cast<Layout*>(GUIReader::shareReader()->widgetFromJsonFile("juedou.json"));//获得UI界面
点击事件里面把ui换一下
2.2.0里面
middlePanel->removeChild(fbLayout,false);
middlePanel->addChild(zdLayout);
是可以的
2.2.1
报错