Qt菜单\工具栏

/*
*    File(F)
*        New(N)  Ctrl + N
*        Open(O)  Ctrl + O
*         ----------------------------
*         Close(C)  Ctrl + Q
*/

QMenu *menuFile_ = new QMenu(tr("File(&F)"), this);

 QAction *actionNew_ = menuFile_->addAction(QIcon("./images/new.png"), tr("New(&N)"));
actionNew_->setShortcut(QKeySequence(tr("Ctrl+N")));

QAction *actionOpen_ = menuFile_->addAction(QIcon("./images/open.png"), tr("Open(&O)"));
actionOpen_->setShortcut(QKeySequence(tr("Ctrl+O")));
menuFile_->addSeparator();
QAction *actionClose_ = menuFile_->addAction(tr("Close(&C)"));

 QMenuBar *bar = menuBar();    //获取QMainWindow的菜单栏
bar->addMenu(menuFile_);   //添加菜单

QToolBar *barFile_ = new QToolBar(tr("11"), this);
barFile_->addAction(actionNew_);
barFile_->addAction(actionOpen_);
barFile_->addAction(actionClose_);
barFile_->setAllowedAreas(Qt::LeftToolBarArea|Qt::TopToolBarArea);
barFile_->setOrientation(Qt::Vertical);