QMenu 设置菜单图标 & 生成菜单树

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效果图

这里写图片描述

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();}

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