QXlsx/HelloExcel/hello.cpp

// hello.cpp

#include <QtCore>

#include "xlsxdocument.h"
#include "xlsxchartsheet.h"
#include "xlsxcellrange.h"
#include "xlsxchart.h"
#include "xlsxrichstring.h"
#include "xlsxworkbook.h"
using namespace QXlsx;

void WriteExcel(bool isTest);
void ReadExcel(bool isTest);

void UseSheet(bool isTest);

void RichText(bool isTest);

void DoChart(bool isTest);
void Align(bool isTest);

int hello()
{
    WriteExcel(true);
    ReadExcel(true);

    UseSheet(true);

    RichText(true);

    DoChart(true);
    Align(true);

   return 0;
}

void WriteExcel(bool isTest)
{
    if (!isTest)
        return;

    Document xlsx;

    xlsx.write("A1", "Hello QtXlsx!"); // current file is utf-8 character-set.
    xlsx.write("A2", 12345);
    xlsx.write("A3", "=44+33"); // cell value is 77.
    xlsx.write("A4", true);
    xlsx.write("A5", "http://qt-project.org");
    xlsx.write("A6", QDate(2013, 12, 27));
    xlsx.write("A7", QTime(6, 30));

    if (!xlsx.saveAs("hello1.xlsx"))
        qDebug() << "[TEST1] failed to save excel file" ;
}

void ReadExcel(bool isTest)
{
    if (!isTest)
        return;

    {
        //Create a new .xlsx file.
        QXlsx::Document xlsx;

        xlsx.write("A1", "Hello Qt!");
        xlsx.write("A2", 12345);
        xlsx.write("A3", "=44+33");
        xlsx.write("A4", true);
        xlsx.write("A5", "http://qt-project.org");
        xlsx.write("A6", QDate(2013, 12, 27));
        xlsx.write("A7", QTime(6, 30));

        if (!xlsx.saveAs("hello2.xlsx"))
        {
            qDebug() << "[TEST2] failed to save excel file" ;
            return;
        }
    }

    //![0]
    QXlsx::Document xlsx("hello2.xlsx");
    //![0]

    //![1]
    qDebug() << xlsx.read("A1");
    qDebug() << xlsx.read("A2");
    qDebug() << xlsx.read("A3");
    qDebug() << xlsx.read("A4");
    qDebug() << xlsx.read("A5");
    qDebug() << xlsx.read("A6");
    qDebug() << xlsx.read("A7");

    qDebug() << "--------------------";
    //![1]

    //![2]
    for ( int row = 1 ; row < 10 ; ++row )
    {
        if ( Cell* cell = xlsx.cellAt( row, 1 ) )
        {
            QVariant var = cell->value();
            qDebug() << row << " " << var;
        }
    }
    //![2]

    /* debug output

    QVariant(QString, "Hello Qt!")
    QVariant(double, 12345)
    QVariant(QString, "=44+33") // it's string. it is not a formula.
    QVariant(bool, true)
    QVariant(QString, "http://qt-project.org")
    QVariant(QDate, QDate("2013-12-27"))
    QVariant(QTime, QTime("06:30:00.000"))
    --------------------
    1   QVariant(QString, "Hello Qt!")
    2   QVariant(double, 12345)
    3   QVariant(double, 0)
    4   QVariant(bool, true)
    5   QVariant(QString, "http://qt-project.org")
    6   QVariant(double, 41635)      // something wrong
    7   QVariant(double, 0.270833)   // something wrong

    */
}

void DoChart(bool isTest)
{
    if (!isTest)
        return;

    //![0]
    Document xlsx;
    for ( int i = 1 ; i < 10 ; ++i )
    {
        xlsx.write(i, 1, i*i);
    }
    //![0]
    /*
        1
        4
        9
        16
        25
        36
        49
        64
        81
    */

    //![1]
    xlsx.addSheet("Chart1", AbstractSheet::ST_ChartSheet);
    Chartsheet *sheet = static_cast<Chartsheet*>(xlsx.currentSheet());
    Chart *barChart = sheet->chart();
    barChart->setChartType(Chart::CT_Bar);
    barChart->addSeries(CellRange("A1:A9"), xlsx.sheet("Sheet1"));
    //![1]

    //![2]
    if (!xlsx.saveAs("Test3.xlsx"))
    {
        qDebug() << "[TEST3] failed to create excel file";
    }
    //![2]

}

void Align(bool isTest)
{
    if (!isTest)
        return;

    Document xlsx;

    //![0]
    Format format;
    format.setHorizontalAlignment(Format::AlignHCenter);
    format.setVerticalAlignment(Format::AlignVCenter);
    //![0]

    //![1]
    xlsx.write("B4", "Hello Qt!");
    xlsx.mergeCells("B4:F6", format);

    xlsx.write("B8", 1);
    xlsx.mergeCells("B8:C21", format);

    xlsx.write("E8", 2);
    xlsx.mergeCells("E8:F21", format);
    //![1]

    if (!xlsx.saveAs("Test4.xlsx"))
    {
        qDebug() << "[TEST4] failed to create excel file";
    }

}

void UseSheet(bool isTest)
{
    if (!isTest)
        return;

    {
        //![Create a xlsx file]
        Document xlsx;

        for ( int i = 1 ; i < 20 ; ++i )
        {
            for ( int j = 1 ; j < 15 ; ++j )
                xlsx.write( i, j, QString("R %1 C %2").arg(i).arg(j) );
        }

        xlsx.addSheet();
        xlsx.write(2, 2, "Hello Qt Xlsx");

        xlsx.addSheet();
        xlsx.write(3, 3, "This will be deleted...");

        xlsx.addSheet("HiddenSheet");
        xlsx.currentSheet()->setHidden(true);
        xlsx.write("A1", "This sheet is hidden.");

        xlsx.addSheet("VeryHiddenSheet");
        xlsx.sheet("VeryHiddenSheet")->setSheetState(AbstractSheet::SS_VeryHidden);
        xlsx.write("A1", "This sheet is very hidden.");

        xlsx.save();//Default name is "Book1.xlsx"
        //![Create a xlsx file]
    }

    {
        Document xlsx2("Book1.xlsx");
        //![add_copy_move_delete]

        xlsx2.renameSheet("Sheet1", "TheFirstSheet");

        xlsx2.copySheet("TheFirstSheet", "CopyOfTheFirst");

        xlsx2.selectSheet("CopyOfTheFirst");
        xlsx2.write(25, 2, "On the Copy Sheet");

        xlsx2.deleteSheet("Sheet3");

        xlsx2.moveSheet("Sheet2", 0);
        //![add_copy_move_delete]

        //![show_hidden_sheets]
        xlsx2.sheet("HiddenSheet")->setVisible(true);
        xlsx2.sheet("VeryHiddenSheet")->setVisible(true);
        //![show_hidden_sheets]

        if ( !xlsx2.saveAs("Book2.xlsx") )
        {
            return;
        }
    }
}

void RichText(bool isTest)
{
    if (!isTest)
        return;

    //![0]
    QXlsx::Document xlsx;
    //![0]

    //![1]
    QXlsx::Format blue;
    blue.setFontColor(Qt::blue);
    QXlsx::Format red;
    red.setFontColor(Qt::red);
    red.setFontSize(15);
    QXlsx::Format bold;
    bold.setFontBold(true);

    QXlsx::RichString rich;
    rich.addFragment("Hello ", blue);
    rich.addFragment("Qt ", red);
    rich.addFragment("Xlsx", bold);
    xlsx.write("B2", rich);

    xlsx.workbook()->setHtmlToRichStringEnabled(true);
    xlsx.write("B4", "<b>Hello</b> <font color=\"red\">Qt</font> <i>Xlsx</i>");

    xlsx.write("B6", "<font color=\"red\"><b><u><i>Qt Xlsx</i></u></b></font>");

    //![1]

    //![2]
    xlsx.saveAs("Test6.xlsx");
    //![2]
}