使用QMessageBox从选项列表中进行选择

QInputDialog::getItem()

QStringList fruits;
fruits << \"Apple\" << \"Banana\" ... ;
QString fruit = QInputDialog::getItem(this, \"Select fruit\", \"Fruit:\", fruits);

QMessageBox msgBox;
 msgBox.setText(\"The document has been modified.\");
 msgBox.setInformativeText(\"Do you want to save your changes?\");
 msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
 msgBox.setDefaultButton(QMessageBox::Save);
 int ret = msgBox.exec();
 switch (ret) {
   case QMessageBox::Save:
       // Save was clicked
       break;
   case QMessageBox::Discard:
       // Don\'t Save was clicked
       break;
   case QMessageBox::Cancel:
       // Cancel was clicked
       break;
   default:
       // should never be reached
       break;
 }

QMessageBox msgBox;

//set common message box parameters. (informative text, etc)

//iterate through possible options. For each possible option:
{
  QPushButton *button = msgBox.addButton(myQStringOption, QMessageBox::AcceptRole);
  connect(button, SIGNAL(clicked()), /* response object */, SLOT(/*response slot*/));
}

msgBox.exec();

msgBox.exec();

if ((msgBox.clickedButton())->text() == myQStringOption){
  //doStuff
}