#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QToolButton>
#include <QSpinBox>
#include <QLabel>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
//菜单
QMenu *editMenu = ui->menuBar->addMenu("编辑(&E)");
QAction *action_copy = editMenu->addAction(QIcon("22.jpg"),
Qt:菜单栏 工具栏 状态栏的简单布局
