效果图
源码
.h 文件
protected slots: void onMenuTriggered(QAction*);.cpp 文件
// 菜单 QMenu *pMenu = new QMenu(this); pMenu->addAction(QString::fromLocal8Bit("我")); pMenu->addSeparator(); pMenu->addAction(QString::fromLocal8Bit("爱")); QMenu *pChildMenu = new QMenu(this); pChildMenu->setTitle(QStringLiteral("学")); pChildMenu->addAction(QStringLiteral("Q")); pMenu->addMenu(pChildMenu); QAction *act1 = new QAction(pChildMenu); act1->setText(QStringLiteral("t")); act1->setIcon(QIcon("src/Me.png")); pChildMenu->addAction(act1); QPushButton *pButton = new QPushButton(this); // 按钮 pButton->setText(QString::fromLocal8Bit("主菜单")); // 设置菜单 pButton->setMenu(pMenu); connect(pMenu, SIGNAL(triggered(QAction*)), this, SLOT(onMenuTriggered(QAction*)));void MyClass::onMenuTriggered(QAction *action) { QString str = action->text(); }