【Y忍冬草】各类消息框

Question消息框
void MsgBoxDlg::showQuestionMsg()
{
    ui->label->setText(QString::fromLocal8Bit("Question Message Box"));
    switch (QMessageBox::question(this, QString::fromLocal8Bit("Question Dialog"),
                                  QString::fromLocal8Bit("您现在已经修改完成，是否要结束程序？"),
                                  QMessageBox::Ok | QMessageBox::Cancel,
                                  QMessageBox::Ok))
    {
    case QMessageBox::Ok:
    {
        ui->label->setText("Question button/OK");
    }
        break;
    case QMessageBox::Cancel:
    {
        ui->label->setText("Question button/Cancel");
    }
        break;
    default:
        break;
    }
}

Information消息框
void MsgBoxDlg::showInformationMsg()
{
    ui->label->setText(tr("Information Message Box"));
    QMessageBox::information(this, QString::fromLocal8Bit("Information消息框"),
                             QString::fromLocal8Bit("这是Information消息框，欢饮您！"));
}
Warning消息框
void MsgBoxDlg::showWarningMsg()
{
    ui->label->setText(tr("Warning Message Box"));
    switch (QMessageBox::warning(this, tr("Warning Dialog"),
                                 QString::fromLocal8Bit("您修改的内容还未保存，是否要保存对该文档的修改?"),
                                 QMessageBox::Save))
    {
        case QMessageBox::Save:
        {
            ui->label->setText(tr("Warning button/Save"));
        }
            break;
        case QMessageBox::Discard:
        {
            ui->label->setText(tr("Warning button/Discard"));
        }
            break;
        case QMessageBox::Cancel:
        {
            ui->label->setText(tr("Warning button/Cancel"));
        }
            break;
        default:
            break;
    }
}
Critical消息框
void MsgBoxDlg::showCriticalMsg()
{
    ui->label->setText(tr("Critical Message Box"));
    QMessageBox::critical(this, tr("Critical Dialog"),
                          tr("This is a Critical dialog"));
}
About消息框
void MsgBoxDlg::showAboutMsg()
{
    ui->label->setText(tr("About Message Box"));
    QMessageBox::about(this, tr("About Dialog"),
                       tr("This is a about dialog"));
}

void MsgBoxDlg::showAboutQtMsg()
{
    ui->label->setText(tr("About Qt Message Box"));
    QMessageBox::aboutQt(this, tr("About Qt Dialog"));
}