void MainWindow::on_action_Del_triggered()

{

    QList<QListWidgetItem*> selectedItems = ui->listWidget->selectedItems();

    if (selectedItems.count() > 0)

    {

        if (QMessageBox::Yes == QLibX::QMessageBoxEx::GetInstance()->question(this,"删除确认",

                QString("确认删除 %1 个项目?").arg(QString::number(selectedItems.count())),QMessageBox::Yes|QMessageBox::No,QMessageBox::Yes))

        {

            foreach (QListWidgetItem* var, selectedItems) {

                ui->listWidget->removeItemWidget(var);

                selectedItems.removeOne(var);

                delete var;

            }

        }

    }

}