bool JudgeParentItemVisible(QTreeWidgetItem * pLayerItem)
{bool bVisible = true;QTreeWidgetItem * pParentItem = (QTreeWidgetItem *)pLayerItem->parent();	//获取父节点if (pParentItem != NULL)	//父节点不为空{if (pParentItem->checkState(0) == Qt::CheckState::Unchecked)	//如果不可见返回false{bVisible = false;return bVisible;}bVisible = JudgeParentItemVisible(pParentItem);	//可见继续判断父节点的可见性}else	//说明是一级节点{if (pLayerItem->checkState(0) == Qt::CheckState::Unchecked)	//如果不可见返回false{bVisible = false;}}return bVisible;
}