Qt数据库应用之实现数据打印到纸张

void frmDataOut3::on_btnXls_clicked()
{
    time.restart();

    DataContent dataContent = getDataContent(AppConfig::CountXls);
    dataContent.fileName = QUIHelper::appPath() + "/db/dataout3.xls";
    dataContent.sheetName = "短信信息";
    DataXls::saveXls(dataContent);

    setInfo(1, qMin(rowCount, AppConfig::CountXls));
    QUIHelper::openFile(dataContent.fileName, "导出短信信息");
}

void frmDataOut3::on_btnPdf_clicked()
{
    time.restart();

    DataContent dataContent = getDataContent(AppConfig::CountPdf);
    dataContent.fileName = QUIHelper::appPath() + "/db/dataout3.pdf";
    DataPrint::savePdf(dataContent);

    setInfo(1, qMin(rowCount, AppConfig::CountPdf));
    QUIHelper::openFile(dataContent.fileName, "导出短信信息");
}

void frmDataOut3::on_btnPrint_clicked()
{
    DataContent dataContent = getDataContent(AppConfig::CountPrint);
    DataPrint::print(dataContent);
}

DataContent frmDataOut3::getDataContent(int maxCount)
{
    DataContent dataContent;
    dataContent.title = "所有短信记录";
    dataContent.subTitle = QString("%1 导出短信记录").arg(DATETIME);

    QList<QString> columnNames;
    columnNames << "序号" << "重量" << "温度" << "压力" << "类型" << "接收时间" << "短信内容";
    QList<int> columnWidths;
    columnWidths << 70 << 70 << 70 << 70 << 140 << 180 << 380;
    dataContent.columnNames = columnNames;
    dataContent.columnWidths = columnWidths;

    QStringList content, subTitle1, subTitle2;
    getContent(maxCount, content, subTitle1, subTitle2);
    dataContent.content = content;
    dataContent.subTitle1 = subTitle1;
    dataContent.subTitle2 = subTitle2;

    //边框粗细
    dataContent.borderWidth = 1;
    //导出到xls有样式比如边框需要开启 cellStyle = true
    //dataContent.cellStyle = true;
    dataContent.randomColor = ui->ckRandomColor->isChecked();

    //下面表示第4列 (对应表中的 类型 字段) 值 包含 重量 关键字 则突出显示
    dataContent.checkColumn = ui->ckCheckColumn->isChecked() ? 4 : -1;
    dataContent.checkType = "contains";
    dataContent.checkValue = "重量";

    dataContent.stretchLast = ui->ckStretchLast->isChecked();
    dataContent.landscape = true;
    return dataContent;
}