QTreeWidget双击事件

#include <QtWidgets/QWidget>

public slots:
    void OnlineTreeViewDoubleClick(QTreeWidgetItem*,int);


private:
    QTreeWidget* treeWidget_set;

connect(treeWidget_set, SIGNAL(itemDoubleClicked(QTreeWidgetItem*, int)), this, SLOT(OnlineTreeViewDoubleClick(QTreeWidgetItem*, int)));

void OnlineTreeViewDoubleClick(QTreeWidgetItem* indexItem, int itemID)
{
    QString itemText = indexItem->text(itemID);
    qDebug() << "--" << itemText;
}