C++ QAxObject::clear方法代码示例

void MainWindow::on_btnExport_clicked()
{
    QDir dir(QDir::currentPath());
    QDate date;
    QSettings config(dir.currentPath()+"//app.ini",QSettings::IniFormat);
    QString path = config.value("/SETTINGS/path").toString();

    QString fileName = QFileDialog::getSaveFileName(this,tr("保存文件"),path + "/" + date.currentDate().toString("yyyy-MM-dd")+ui->cbWareH->currentText()+".xls",tr("Microsoft Office 2003(*.xls)"));
    if(fileName.isEmpty()){
        QMessageBox::critical(0,tr("错误"),tr("要保存的文件名为空"));
        return;
    }
    QSqlQuery query;

    query.exec(QString("execute dbo.pr_report_jxc_item;1 @as_from = '%1', @as_to = '%2', @as_branch = '%3', @as_itemcls = '%'")
               .arg(date.currentDate().toString("yyyy-MM-dd"))
               .arg(date.currentDate().toString("yyyy-MM-dd"))
               .arg(ui->cbWareH->currentData().toString()));

    QAxObject *excel = new QAxObject("Excel.Application");

    if(!excel){
        QMessageBox::critical(0,tr("错误"),tr("找不到Excel组件！"));
        delete excel;
        return;
    }

    excel->dynamicCall("SetVisible(bool)",false);
    excel->setProperty("Visible", false);
    excel->setProperty("DisplayAlerts", false);

    QAxObject *workbooks = excel->querySubObject("WorkBooks");
    workbooks->dynamicCall("Add");
    QAxObject *workbook = excel->querySubObject("ActiveWorkBook");
    QAxObject *worksheets = workbook->querySubObject("Sheets");
    QAxObject *worksheet = worksheets->querySubObject("Item(int)",1);
    int row = 1;


    while(query.next()){
        setCellValue(worksheet,row,"A","'"+query.value("cItem_C").toString());
        setCellValue(worksheet,row,"B","'"+query.value("cItem_N").toString());
        setCellValue(worksheet,row,"C","0");
        setCellValue(worksheet,row,"D",query.value("nSettleQty"));
        row ++;
    };

    workbook->dynamicCall("SaveAs(const QString&)",QDir::toNativeSeparators(fileName));
    config.setValue("/SETTINGS/path",fileName.left(fileName.lastIndexOf("/")));
    QMessageBox::information(this,tr("操作成功"),tr("保存成功！"));
    workbook->dynamicCall("Close()");
    worksheet->clear();
    excel->dynamicCall("Quit()");
    delete excel;
}

bool MainWindow::writeSalary()
{
    QString tagFilePath = ui->lineEdit_3->text();

    if(tagFilePath.isEmpty() == true)
    {
        ui->textEdit->append(tr("2 zhaobudao"));
        return false;
    }

    //Excel应用程序包括一系列的workbooks，每个workbook又由多个sheets组成。

    QString nameStart = ui->nameEdit2->text();
    QString salaryStart = ui->salaryEdit2->text();

    if(nameStart.right(1) != salaryStart.right(1))
    {
        ui->textEdit->append(tr("qishi weizhi buyiyang"));
        return false;
    }

    QString nameChar = nameStart.left(1);
    QString salaryChar = salaryStart.left(1);
    bool isOk = false;
    int index = nameStart.right(1).toInt(&isOk);

    if(isOk == false)
    {
        ui->textEdit->append(tr("youwenti"));
        return false;
    }

    QAxObject* excel = new QAxObject( "Excel.Application" );
    excel->dynamicCall( "SetVisible(bool)", false );
    QAxObject *workbooks = excel->querySubObject( "Workbooks" ); //得到Workbooks集合的指针
    //QAxObject *workbookSrc = workbooks->querySubObject( "Open(const QString&)", "F:\\QExcelConvert\\test.xls" );
    QAxObject *workbookSrc = workbooks->querySubObject( "Open(const QString&)", tagFilePath );
    QAxObject *worksheet = workbookSrc->querySubObject("Worksheets(int)", ui->spinBox2->value());

    QMap<QString, int> mapHelp;

    int totalCount = m_map.count();
    bool result = true;
    while(1)
    {
        QString namePos = QString("Range(%1%2)").arg(nameChar).arg(index);
        QAxObject* nameAx = worksheet->querySubObject(namePos.toStdString().c_str());
        QString name = nameAx->property("Value").toString().trimmed();

        QString salaryPos = QString("Range(%1%2)").arg(salaryChar).arg(index);
        QAxObject* salaryAx = worksheet->querySubObject(salaryPos.toStdString().c_str());

        if(name.isEmpty() == true)
        {
            break;
        }

        if(mapHelp.contains(name) == true)
        {
            result = false;
            ui->textEdit->append(QString("2 mizichongfu %1").arg(mapHelp.value(name)));
            break;
        }

        if( m_map.contains(name) )
        {
            salaryAx->setProperty("Value", m_map.value(name));
            m_map.remove(name);
            ui->textEdit->append(QString("%1 %2 %3 OK").arg(index).arg(name).arg(m_map.value(name)));
        }
        else
        {
            salaryAx->clear();
        }

        mapHelp.insert(name, index);
        index++;
    }

    if(result == true)
    {
        int nowCount = m_map.count();
        ui->textEdit->append(QString("wancheng %1/%2").arg(totalCount - nowCount).arg(totalCount));

        if(nowCount > 0)
        {
            QList<QString> keys = m_map.keys();
            for(int i = 0; i < nowCount; ++i)
            {
                int j = index + 5 + i;
                QString namePos = QString("Range(%1%2)").arg(nameChar).arg(j);
                QAxObject* nameAx = worksheet->querySubObject(namePos.toStdString().c_str());
                nameAx->setProperty("Value", keys.at(i));

                QString salaryPos = QString("Range(%1%2)").arg(salaryChar).arg(j);
                QAxObject* salaryAx = worksheet->querySubObject(salaryPos.toStdString().c_str());
                salaryAx->setProperty("Value", m_map.value(keys.at(i)));
            }
        }
    }
//.........这里部分代码省略.........