QListWidget* listView = ui.listWidget; listView->setItemSelected(listView->item(0), true); //遍历所有item，设置居中 for (int i = 0; i < listView->count(); i++) { QListWidgetItem* it…

qt，QListWidget  QListView {     outline: none;     show-decoration-selected: 1; } ​ QListView::item:alternate {    …