#ifndef ONEWIDGET_H
#define ONEWIDGET_H#include <QWidget>
#include "twowidget.h"
#include "threewidget.h"QT_BEGIN_NAMESPACE
namespace Ui { class OneWidget; }
QT_END_NAMESPACEclass OneWidget : public QWidget
{Q_OBJECTpublic:OneWidget(QWidget *parent = nullptr);~OneWidget();private slots:void vBtnJump3Process(void);void vBtnJump2Process(void);void vBtnJump1Process(int);private:Ui::OneWidget *ui;twowidget *pPage2;threeWidget *pPage3;void vInit(void);
};
#endif // ONEWIDGET_H

#include "onewidget.h"
#include "ui_onewidget.h"
#include <QMovie>
#include <QDebug>OneWidget::OneWidget(QWidget *parent): QWidget(parent), ui(new Ui::OneWidget)
{ui->setupUi(this);this->vInit();
}OneWidget::~OneWidget()
{delete ui;
}void OneWidget::vInit(void)
{this->move(0,0);this->setWindowFlag(Qt::FramelessWindowHint);QMovie *pMovie=new QMovie("./dan.gif");ui->label->setMovie(pMovie);ui->label->setScaledContents(true);pMovie->start();connect(ui->pbtnJump2,SIGNAL(clicked()),this,SLOT(vBtnJump2Process()));connect(ui->pbtnJump3,SIGNAL(clicked()),this,SLOT(vBtnJump3Process()));this->pPage2=new twowidget;connect(this->pPage2,SIGNAL(signalBtnPage1(int)),this,SLOT(vBtnJump1Process(int)));connect(this->pPage2,SIGNAL(signalBtnPage3()),this,SLOT(vBtnJump3Process()));this->pPage3=new threeWidget;connect(this->pPage3,SIGNAL(vSingalPage1(int)),this,SLOT(vBtnJump1Process(int)));connect(this->pPage3,SIGNAL(vSingalPage2()),this,SLOT(vBtnJump2Process()));
}void OneWidget::vBtnJump3Process()
{this->pPage3->show();this->pPage2->hide();this->hide();
}void OneWidget::vBtnJump2Process()
{this->pPage2->show();this->pPage3->hide();this->hide();qDebug()<<"press"<<endl;
}void OneWidget::vBtnJump1Process(int slClickCnt)
{qDebug()<<"vBtnJump1Process "<<slClickCnt<<endl;this->show();this->pPage2->hide();this->pPage3->hide();
}

#ifndef TWOWIDGET_H
#define TWOWIDGET_H#include <QWidget>namespace Ui {
class twowidget;
}class twowidget : public QWidget
{Q_OBJECTpublic:explicit twowidget(QWidget *parent = nullptr);~twowidget();private:Ui::twowidget *ui;void vInit(void);int slClickCnt=0;private slots:void vBtnPage1Process(void);void vBtnPage3Process(void);signals:void signalBtnPage1(int);void signalBtnPage3(void);
};#endif // TWOWIDGET_H

#include "twowidget.h"
#include "ui_twowidget.h"
#include <QMovie>
#include <QDebug>twowidget::twowidget(QWidget *parent) :QWidget(parent),ui(new Ui::twowidget)
{ui->setupUi(this);this->vInit();
}twowidget::~twowidget()
{delete ui;
}void twowidget::vInit()
{this->move(0,0);this->setWindowFlag(Qt::FramelessWindowHint);QMovie *pMovie=new QMovie("./dan2.gif");ui->label->setMovie(pMovie);ui->label->setScaledContents(true);pMovie->start();connect(ui->pbtnJump1,SIGNAL(clicked()),this,SLOT(vBtnPage1Process()));connect(ui->pbtnJump3,SIGNAL(clicked()),this,SLOT(vBtnPage3Process()));
}void twowidget::vBtnPage1Process()
{this->slClickCnt++;emit signalBtnPage1(this->slClickCnt);qDebug()<<"emit signal btn page1 "<<this->slClickCnt<<endl;
}void twowidget::vBtnPage3Process()
{emit signalBtnPage3();qDebug()<<"emit signal btn page3 "<<endl;
}

#ifndef THREEWIDGET_H
#define THREEWIDGET_H#include <QWidget>
#include <QTimer>namespace Ui {
class threeWidget;
}class threeWidget : public QWidget
{Q_OBJECTpublic:explicit threeWidget(QWidget *parent = nullptr);~threeWidget();private:Ui::threeWidget *ui;void vInit();int slLcdCnt=0;int slPage3Cnt=0;QTimer *pTimer=nullptr;private slots:void vBtnPage1Process();void vBtnPage2Process();void vTimerProcess();signals:void vSingalPage1(int);void vSingalPage2(void);
};#endif // THREEWIDGET_H

#include "threewidget.h"
#include "ui_threewidget.h"
#include <QMovie>threeWidget::threeWidget(QWidget *parent) :QWidget(parent),ui(new Ui::threeWidget)
{ui->setupUi(this);this->vInit();
}threeWidget::~threeWidget()
{delete ui;
}void threeWidget::vInit()
{this->move(0,0);this->setWindowFlag(Qt::FramelessWindowHint);QMovie *pMovie=new QMovie("./pland.gif");ui->label->setMovie(pMovie);ui->label->setScaledContents(true);pMovie->start();connect(ui->pbtnJump1,SIGNAL(clicked()),this,SLOT(vBtnPage1Process()));connect(ui->pbtnJump2,SIGNAL(clicked()),this,SLOT(vBtnPage2Process()));this->pTimer=new QTimer(this);connect(this->pTimer,SIGNAL(timeout()),this,SLOT(vTimerProcess()));this->pTimer->start(100);
}void threeWidget::vBtnPage1Process()
{this->slPage3Cnt++;emit vSingalPage1(this->slPage3Cnt);
}void threeWidget::vBtnPage2Process()
{emit vSingalPage2();
}void threeWidget::vTimerProcess()
{this->slLcdCnt++;if(this->slLcdCnt>99){this->slLcdCnt=0;}ui->lcdNumber->display(this->slLcdCnt);
}