qt 2019除夕倒计时

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include <QTimer>
#include <QDateTime>
namespace Ui {
class Widget;
}

class Widget : public QWidget
{
    Q_OBJECT

public:
    explicit Widget(QWidget *parent = 0);
    ~Widget();
private slots:
    void timeprocess();

private:
    Ui::Widget *ui;
    QTimer* m_timer;
    QDateTime m_datetime;
};

#endif // WIDGET_H
#ifndef WIDGET_H
#define WIDGET_H

#inclu