需求

qt 父界面，如何打开子界面窗口

解决

void MainWindow::on_action_2_triggered()
{
    // 科室
    DepartmentManage * department = new DepartmentManage(test_info_, this);
    department->setAttribute(Qt::WA_DeleteOnClose);
    department->setWindowTitle("科室管理");
    department->exec();
}

参考