vector装着的一堆按键,怎么知道是那个序号的控件发出信号?
Scroll_button.push_back(new QPushButton(tr("%1-").arg(Scroll_button.size()+1))); Scroll_button[Scroll_button.size()-1]->setMaximumSize(4030); ScrollLayout->addWidget(Scroll_button[Scroll_button.size()-1]Scroll_button.size()-10);
QPushButton *pButton = qobject_cast<QPushButton*>(sender());