QT-- 模态对话框与非模态对话框

1.设计主窗体

2.弹出窗体

3.弹出窗体的类的实现

.h

#include <QWidget>
#include "QDialog.h"
#include "ui_QtDialogToShow.h"

class QtDialogToShow : public QDialog
{
    Q_OBJECT

public:
    QtDialogToShow(QWidget *parent = Q_NULLPTR);
    ~QtDialogToShow();

private:
    Ui::QtDialogToShow ui;
};



#include <QtWidgets/QMainWindow>