No such slot 接收者::槽函数名或QObject::connect

class A : QObject { Q_OBJECT public: A(); private slots: void onRefres(); }； 但编译报错，Object::connect: No such slot，难道此类还没有

QObject::connect: No such slot MainWindow::UserSettingsSave() QObject::connect: QObject::connect: (receiver

ronaldo slot login QObject::connect: No such slot FenCalculatrice::FenCalculatrice::calculerOperation() in Designer_training: 10 QObject

gates of olympus slot review Bug ID: 466887 Summary: Journal Flood: QObject::connect: No such slot DesktopProtocol::_k_slotRedirection Classification