mirror of
https://github.com/QtExcel/QXlsx.git
synced 2025-01-16 04:42:53 +08:00
167 lines
4.4 KiB
C++
167 lines
4.4 KiB
C++
// main.cpp
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#include <iostream>
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#include <QtGlobal>
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#include <QObject>
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#include <QVector>
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#include <QList>
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#include "recurse.hpp"
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#include "xlsxdocument.h"
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#include "xlsxchartsheet.h"
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#include "xlsxcellrange.h"
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#include "xlsxchart.h"
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#include "xlsxrichstring.h"
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#include "xlsxworkbook.h"
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#include "xlsxabstractsheet.h"
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#include "xlsxcelllocation.h"
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#include "xlsxcell.h"
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using namespace QXlsx;
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QString getHtml(QString strFilename);
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bool loadXlsx(QString fileName, QString& strHtml);
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QString g_htmlDoc;
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int main(int argc, char *argv[])
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{
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g_htmlDoc = getHtml(":/test.xlsx"); // convert from xlsx to html
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Recurse::Application app(argc, argv);
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app.use([](auto &ctx)
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{
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ctx.response.send(g_htmlDoc);
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});
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quint16 listenPort = 3001; // default port
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auto result = app.listen( listenPort );
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if ( result.error() )
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{
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qDebug() << "error upon listening:" << result.lastError();
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return (-1);
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}
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std::cout << " listening port: " << listenPort << std::endl;
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return 0;
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}
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QString getHtml(QString strFilename)
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{
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QString ret;
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ret = ret + QString("<html>\n");
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ret = ret + QString("<head>\n");
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ret = ret + QString("<title>") + strFilename + QString("</title>\n");
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ret = ret + QString("<meta http-equiv='Content-Type' content='text/html;charset=UTF-8'>\n" );
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ret = ret + QString("</head>\n");
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ret = ret + QString("<body>\n");
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QString strTableStyle = \
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"<style>\n"\
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" table { border-collapse: collapse; } \n"\
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" td, th { border: 1px solid black; } \n"\
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"</style>\n";
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ret = ret + strTableStyle;
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if (!loadXlsx(strFilename, ret))
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return QString("");
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ret = ret + QString("</body>\n");
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ret = ret + QString("</html>\n");
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qDebug() << ret << "\n";
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return ret;
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}
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bool loadXlsx(QString fileName, QString& strHtml)
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{
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// tried to load xlsx using temporary document
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QXlsx::Document xlsxTmp( fileName );
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if ( !xlsxTmp.isLoadPackage() )
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{
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return false; // failed to load
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}
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// load new xlsx using new document
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QXlsx::Document xlsxDoc( fileName );
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xlsxDoc.isLoadPackage();
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int sheetIndexNumber = 0;
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foreach( QString curretnSheetName, xlsxDoc.sheetNames() )
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{
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QXlsx::AbstractSheet* currentSheet = xlsxDoc.sheet( curretnSheetName );
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if ( NULL == currentSheet )
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continue;
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// get full cells of sheet
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int maxRow = -1;
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int maxCol = -1;
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currentSheet->workbook()->setActiveSheet( sheetIndexNumber );
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Worksheet* wsheet = (Worksheet*) currentSheet->workbook()->activeSheet();
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if ( NULL == wsheet )
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continue;
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QString strSheetName = wsheet->sheetName(); // sheet name
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strHtml = strHtml + QString("<b>") + strSheetName + QString("</b><br>\n"); // UTF-8
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strHtml = strHtml + QString("<table>");
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QVector<CellLocation> clList = wsheet->getFullCells( &maxRow, &maxCol );
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QVector< QVector<QString> > cellValues;
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for (int rc = 0; rc < maxRow; rc++)
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{
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QVector<QString> tempValue;
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for (int cc = 0; cc < maxCol; cc++)
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{
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tempValue.push_back(QString(""));
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}
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cellValues.push_back(tempValue);
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}
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for ( int ic = 0; ic < clList.size(); ++ic )
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{
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// cell location
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CellLocation cl = clList.at(ic);
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int row = cl.row - 1;
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int col = cl.col - 1;
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QSharedPointer<Cell> ptrCell = cl.cell; // cell pointer
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// value of cell
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QVariant var = cl.cell.data()->value();
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QString str = var.toString();
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cellValues[row][col] = str;
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}
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QString strTableRecord;
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for (int rc = 0; rc < maxRow; rc++)
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{
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strTableRecord = strTableRecord + QString("<tr>");
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for (int cc = 0; cc < maxCol; cc++)
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{
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QString strTemp = cellValues[rc][cc];
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strTableRecord = strTableRecord + QString("<td>");
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strTableRecord = strTableRecord + strTemp; // UTF-8
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strTableRecord = strTableRecord + QString("</td>");
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}
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strTableRecord = strTableRecord + QString("</tr>\n");
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}
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strHtml = strHtml + strTableRecord;
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strHtml = strHtml + QString("</table>\n");
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sheetIndexNumber++;
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}
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return true;
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}
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