遍历QTreeWidget

转自：https://blog.csdn.net/qiangzi4646/article/details/80244433

    //ui 文件中定义
    //QTreeWidget *treeWidget;
    //...

    //遍历treeWidget
    QTreeWidgetItemIterator it(ui.treeWidget);
    while (*it) {
         //do something like
         (*it)->text(0);
        ++it;
    }