settingMenu = new QMenu;updateAction = new QAction(settingMenu); updateAction->setText("更新");authenAction = new QAction(settingMenu); authenAction->setText("認(rèn)證");aboutAction = new QAction(settingMenu); aboutAction->setText("關(guān)于");settingMenu->addAction(updateAction); settingMenu->addAction(authenAction); settingMenu->addAction(aboutAction);ui->btnMenu_Set->setMenu(settingMenu); ui->btnMenu_Set->setStyleSheet("QPushButton::menu-indicator{image:None;}");connect(updateAction,SIGNAL(triggered(bool)),this,SLOT(updateActionTriggered(bool))); connect(authenAction,SIGNAL(triggered(bool)),this,SLOT(authenActionTriggered(bool))); connect(aboutAction,SIGNAL(triggered(bool)), this,SLOT(aboutActionTriggered(bool)));

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