QT请求QObject::connect: No such slot BackEnd::RequestReceived

qobject__connect_ no such slot   Dan ivory citadel slot review

QObject :: connect (button, SIGNAL (clicked ()), label, SLOT (setText )); Here we have tried a signal-slot link The aim of

Starting E:01_project03_C++keydebug Object::connect: No such slot MainWindow::GenerateKey() in :26 Object::connect Qt WARNING: QObject::connect: No such signal QStatusBar::showTip Qt WARNING: QObject::connect: (sender name: 'automatic status

farm slot However, I get an error QObject::connect: No such slot QWidget::onClick() My code is as follows #include iostream> #include Object::connect: No such slot 问题解决办法 1、看看你的类声明中有没有Q_OBJECT 2、你声明的函数要加声明: private slots: void xxxx();