/*********************添加数据项*********************/

    QIcon icon1("C:\\Users\\Administrator.USER-20190313RI\\Desktop\\img\\book.png");

    QListWidgetItem* item = new QListWidgetItem(icon1, "book");

    // 设置关联数据

    item->setData(Qt::UserRole, );

    item->setData(Qt::ToolTipRole, "this is tooltip!");

    ui.listWidget->addItem(item);

    QIcon icon2("C:\\Users\\Administrator.USER-20190313RI\\Desktop\\img\\heart.png");

    ui.listWidget->addItem(new QListWidgetItem(icon2, "heart"));

    QIcon icon3("C:\\Users\\Administrator.USER-20190313RI\\Desktop\\img\\location.png");

    ui.listWidget->addItem(new QListWidgetItem(icon3, "location"));

// 切换视图按钮点击事件处理函数

void ListWidget::ViewModeClick()

{

    if (ui.listWidget->viewMode() == QListView::ListMode)

    {

        ui.listWidget->setViewMode(QListView::IconMode);

    }

    else

    {

        ui.listWidget->setViewMode(QListView::ListMode);

    }

}

// 移除按钮点击事件处理函数

void ListWidget::RemoveClick()

{

    // 获取当前选中项

    int row = ui.listWidget->currentRow();

    // 移除当前选中项

    QListWidgetItem* item = ui.listWidget->takeItem(row);

    if (item)

    {

        delete item;

    }

}

// 双击条目获取关联数据

void ListWidget::OnItemDBClick(QListWidgetItem* item)

{

    // QMessageBox::information(this, "SSS", item->text());

    int value = item->data(Qt::UserRole).toInt();

    QString str = item->data(Qt::ToolTipRole).toString();

    qDebug() << value << endl;

    qDebug() << str << endl;

}