QTabWidget（选项卡窗口）

#include <QApplication> #include <QWidget> #include <QTabWidget> #include <QVBoxLayout> #include <QLabel> class MyWidget : public QWidget { Q_OBJECT public: MyWidget(QWidget *parent = nullptr) : QWidget(parent) { QVBoxLayout *layout = new QVBoxLayout(this); QTabWidget *tabWidget = new QTabWidget(this); QWidget *page1 = new QWidget(); QLabel *label1 = new QLabel("Content of Tab 1", page1); QVBoxLayout *page1Layout = new QVBoxLayout(page1); page1Layout->addWidget(label1); page1->setLayout(page1Layout); tabWidget->addTab(page1, "Tab 1"); QWidget *page2 = new QWidget(); QLabel *label2 = new QLabel("Content of Tab 2", page2); QVBoxLayout *page2Layout = new QVBoxLayout(page2); page2Layout->addWidget(label2); page2->setLayout(page2Layout); tabWidget->addTab(page2, "Tab 2"); layout->addWidget(tabWidget); setLayout(layout); } }; int main(int argc, char *argv[]) { QApplication app(argc, argv); MyWidget widget; widget.setWindowTitle("QTabWidget Example"); widget.show(); return app.exec(); } #include "main.moc"