轉(zhuǎn)自: http://www.cnblogs.com/584709796-QQ-com/p/4968880.html

main.cpp

#include <Qapplication>  #include <QTextCodec>  #include "stackeddlg.h"  int main(int argc, char *argv[])  {      QTextCodec::setCodecForTr(QTextCodec::codecForLocale());      QApplication app(argc, argv);      StackedDlg dlg;      dlg.show();      return app.exec();  }  stackeddlg.cpp
#include "stackeddlg.h"  #include <QHBoxLayout>    StackedDlg::StackedDlg(QWidget *parent) :      QDialog(parent)  {      //創(chuàng)建一個QListWidget控件 并向其中添加列表項      list = new QListWidget();      list->insertItem(0, tr("文本窗口"));      list->insertItem(1, tr("顯示窗口"));      list->insertItem(2, tr("關(guān)于窗口"));            textLabel = new QLabel(tr("學(xué)習(xí)使用堆棧窗口"));      showLabel = new QLabel(tr("僅僅是一個示例程序"));      aboutLabel = new QLabel(tr("歡迎交流,共同學(xué)習(xí)"));            //創(chuàng)建QStackedwidget控件      stack = new QStackedWidget();      //將控件添加到堆棧窗口中      stack->addWidget(textLabel);      stack->addWidget(showLabel);      stack->addWidget(aboutLabel);            //使用一個水平布局管理器對對話框進行布局      QHBoxLayout *mainLayout = new QHBoxLayout(this);      mainLayout->addWidget(list);      mainLayout->addWidget(stack, 0, Qt::AlignHCenter);      //設(shè)置mainLayout的邊框與對話框邊緣的距離      mainLayout->setMargin(5);      mainLayout->setSpacing(5);      //信號與槽的連接，實現(xiàn)按選擇顯示窗體      //此處堆棧窗口的index按插入的順序從0依次排序，與QListWidget的條目排序一致      connect(list, SIGNAL(currentRowChanged(int)), stack, SLOT(setCurrentIndex(int)));            this->setWindowTitle(tr("堆棧窗口"));  }  
stackeddlg.h
#ifndef STACKEDDLG_H  #define STACKEDDLG_H    #include <QDialog>  #include <QLabel>  #include <QListWidget>  #include <QStackedWidget>    class StackedDlg : public QDialog  {      Q_OBJECT  public:      explicit StackedDlg(QWidget *parent = 0);  signals:  public slots:    PRivate:      QLabel *textLabel;      QLabel *showLabel;      QLabel *aboutLabel;      QListWidget *list;      QStackedWidget *stack;  };  #endif // STACKEDDLG_H  運行結(jié)果：