Qt5实现多窗口切换

#include "nextdialog.h" #include "ui_nextdialog.h" NextDialog::NextDialog(QWidget *parent) : QDialog(parent), ui(new Ui::NextDialog) { ui->setupUi(this); setWindowTitle(tr("子窗口")); } NextDialog::~NextDialog() { delete ui; } void NextDialog::on_pushButton_clicked() { this->hide(); }