#ifndef MAINWINDOW_H

#define MAINWINDOW_H

#include <QMainWindow>

class QStackedWidget;

namespace Ui {

class MainWindow;

}

class MainWindow : public QMainWindow

{

    Q_OBJECT

public:

    explicit MainWindow(QWidget *parent = );

    ~MainWindow();

    void switchPage();

private:

    Ui::MainWindow *ui;

    QStackedWidget *m_pStackedWidget;

};

#endif // MAINWINDOW_H

#include <QtWidgets>

#include "mainwindow.h"

#include "ui_mainwindow.h"

#include "dialog1.h"

#include "dialog2.h"

#include "dialog3.h"

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),

    ui(new Ui::MainWindow)

{

    ui->setupUi(this);

//    QPushButton *pButton = new QPushButton(this);

//    QLabel *pFirstPage= new QLabel(this);

//    QLabel *pSecondPage = new QLabel(this);

//    QLabel *pThirdPage = new QLabel(this);

//    m_pStackedWidget = new QStackedWidget(this);

//    pButton->setText(QStringLiteral("点击切换"));

//    pFirstPage->setText(QStringLiteral("一去丶二三里"));

//    pSecondPage->setText(QStringLiteral("青春不老，奋斗不止！"));

//    pThirdPage->setText(QStringLiteral("纯正开源之美，有趣、好玩、靠谱。。。"));

//    pFirstPage->move(10,100);

//    pSecondPage->move(10,100);

//    pThirdPage->move(10,100);

//    pButton->move(10,100);

//    // 添加页面（用于切换）

//    m_pStackedWidget->addWidget(pFirstPage);

//    m_pStackedWidget->addWidget(pSecondPage);

//    m_pStackedWidget->addWidget(pThirdPage);

//    m_pStackedWidget->move(10,200);

////    QVBoxLayout *pLayout = new QVBoxLayout();

////    pLayout->addWidget(pButton, 1, Qt::AlignRight | Qt::AlignVCenter);

////    pLayout->addWidget(m_pStackedWidget);

////    pLayout->setSpacing(10);

////    pLayout->setContentsMargins(10, 10, 10, 10);

////    setLayout(pLayout);

//    // 连接切换按钮信号与槽

//    connect(pButton, &QPushButton::clicked, this, &MainWindow::switchPage);

    QPushButton *pButton = new QPushButton(this);

    m_pStackedWidget = new QStackedWidget(this);

    pButton->setText(QStringLiteral("点击切换"));

    Dialog1 *dlg1 = new Dialog1(this);

    Dialog2 *dlg2 = new Dialog2(this);

    Dialog3 *dlg3 = new Dialog3(this);

    // 添加页面（用于切换）

    m_pStackedWidget->addWidget(dlg1);

    m_pStackedWidget->addWidget(dlg2);

    m_pStackedWidget->addWidget(dlg3);

    m_pStackedWidget->move(,);

    m_pStackedWidget->resize(,);

    connect(pButton,&QPushButton::clicked,this,&MainWindow::switchPage);

}

MainWindow::~MainWindow()

{

    delete ui;

}

void MainWindow::switchPage()

{

    int count = m_pStackedWidget->count();

    int index = m_pStackedWidget->currentIndex();

    ++index;

    if(index >= count)

    {

        index = ;

    }

    m_pStackedWidget->setCurrentIndex(index);

}