Treewidget节点的增加

父节点的创建

    // 隐藏QTreewidget标题头

    ui->treeWidget->header()->hide();

    // 实现Treewidget父节点的挂载

    // 创建存放QTreewidget的容器

    QList<QTreeWidgetItem*>lsTree;

    QTreeWidgetItem *pTreewidget = new QTreeWidgetItem();

    pTreewidget->setText(0,"column1");

    lsTree.push_back( pTreewidget);

    pTreewidget = new QTreeWidgetItem();

    pTreewidget->setText(0,"column2");

    lsTree.push_back( pTreewidget);

    ui->treeWidget->addTopLevelItems(lsTree);

子节点的挂载

   // 子节点的挂载 新手版

    QTreeWidgetItem *pChild = new QTreeWidgetItem();

    pChild->setText(0,"child1");

    pTreewidget->addChild(pChild);

    pChild = new QTreeWidgetItem();

    pChild->setText(0,"child2");

pTreewidget->addChild(pChild);

    // 子节点挂载进阶版

    // 先创建一个存放某节点孩子的容器 例如节点二

    QList<QTreeWidgetItem*>pNodeTwoChildren;

    // 开始挂载

    QTreeWidgetItem *pTree = new QTreeWidgetItem();

    pTree->setText(0,"Child1");

    pNodeTwoChildren.push_back(pTree);

    pTree = new QTreeWidgetItem();

    pTree->setText(0,"Child2");

    pNodeTwoChildren.push_back(pTree);

pTreewidget->addChildren(pNodeTwoChildren);