没有examples
apt-get install qtbase5-examples
QML module not found(QtQuick.Controls)
apt-get install qml qmlscene
apt-get install qtdeclarative5-dev
apt -y install qml-module-qtquick-controls
apt -y install qml-module-qtquick-controls2
QML module not found(QtQuick.Dialogs)
apt install qml-module-qtquick-dialogs
"Qt.labs.folderlistmodel" is not installed
apt install qml-module-qt5-labs-folderlistmodel
"Qt.labs.settings" is not installed
apt install qml-module-qt5-labs-settings
undefined reference to `vtable for Cxxx'
在新建Class时没有继承自QObject时会出现这样的问题.使用moc Cxxx.cpp生成Meta后能解决问题 [Meta Object Compiler]
