Shulou(Shulou.com)06/02 Report--

# include "mymainwindow.h" # include "ui_mymainwindow.h" / / # include / / uses forward declaration instead of header file inclusion, mainly to compile the forward declaration myMainWindow::myMainWindow (QWidget * parent) of faster class QMenuBar;// classes: QMainWindow (parent), ui (new Ui::myMainWindow) {ui- > setupUi (this); openAction = new QAction (tr ("& open"), this) OpenAction- > setShortcut (QKeySequence::Open); / / Shortcut keys for actions For example: open shortcut Ctrl+O (defined by Qt's QKeySequence) openAction- > setStatusTip (tr ("open a file")); / / prompt statement for adding status bar file = menuBar ()-> addMenu (tr ("& File")); file- > addAction (openAction); toolBar = addToolBar (tr ("& File")); toolBar- > addAction (openAction);} myMainWindow::~myMainWindow () {delete ui;}

After running, as shown in the figure:

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