1、獲取當前行的第n子行內容如下:
ui->treeWidget->->currentItem()-> child(n)->text(0) ;
QTreeWidgetItem * QTreeWidgetItem::child(int index) const
Returns the item at the given index in the list of the item's children.
2、獲取到最頂層的index行的QTreeWidgetItem:
QTreeWidgetItem * QTreeWidget::topLevelItem(int index) const
Returns the top level item at the given index, or 0 if the item does not exist.
3、QTreeWidgetItem * QTreeWidget::topLevelItem(int index)結合QTreeWidgetItem * QTreeWidgetItem::child(int index) ,即可得到需要的具體某行某列的內容 ,如:
ui->treeWidget->topLevelItem(1)->child(0)->text(0);