qfedu-qt-level/homework-day1/widget2.h

#ifndef WIDGET2_H
#define WIDGET2_H

#include <QWidget>
#include <QLabel>
#include <QPushButton>

class Widget2 : public QWidget
{
    Q_OBJECT
public:
    explicit Widget2(QWidget *parent = nullptr);

public:
    QPushButton *btn;
    QLabel *label;

signals:

};

#endif // WIDGET2_H