") + strFilename + QString("

// main.cpp #include #include #include #include #include #include "recurse.hpp" #include "xlsxdocument.h" #include "xlsxchartsheet.h" #include "xlsxcellrange.h" #include "xlsxchart.h" #include "xlsxrichstring.h" #include "xlsxworkbook.h" #include "xlsxabstractsheet.h" #include "xlsxcelllocation.h" #include "xlsxcell.h" using namespace QXlsx; QString getHtml(QString strFilename); bool loadXlsx(QString fileName, QString& strHtml); QString g_htmlDoc; int main(int argc, char *argv[]) { g_htmlDoc = getHtml(":/test.xlsx"); // convert from xlsx to html Recurse::Application app(argc, argv); app.use([](auto &ctx) { ctx.response.send(g_htmlDoc); }); quint16 listenPort = 3001; auto result = app.listen( listenPort ); if ( result.error() ) { qDebug() << "error upon listening:" << result.lastError(); return (-1); } std::cout << " listening port: " << listenPort << std::endl; return 0; } QString getHtml(QString strFilename) { QString ret; ret = ret + QString("\n"); ret = ret + QString("\n"); ret = ret + QString("") + strFilename + QString("\n"); ret = ret + QString("\n" ); ret = ret + QString("\n"); ret = ret + QString("\n"); QString strTableStyle = \ "\n"; ret = ret + strTableStyle; if (!loadXlsx(strFilename, ret)) return QString(""); ret = ret + QString("\n"); ret = ret + QString("\n"); qDebug() << ret << "\n"; return ret; } bool loadXlsx(QString fileName, QString& strHtml) { // tried to load xlsx using temporary document QXlsx::Document xlsxTmp( fileName ); if ( !xlsxTmp.isLoadPackage() ) { return false; // failed to load } // load new xlsx using new document QXlsx::Document xlsxDoc( fileName ); xlsxDoc.isLoadPackage(); int sheetIndexNumber = 0; foreach( QString curretnSheetName, xlsxDoc.sheetNames() ) { QXlsx::AbstractSheet* currentSheet = xlsxDoc.sheet( curretnSheetName ); if ( NULL == currentSheet ) continue; // get full cells of sheet int maxRow = -1; int maxCol = -1; currentSheet->workbook()->setActiveSheet( sheetIndexNumber ); Worksheet* wsheet = (Worksheet*) currentSheet->workbook()->activeSheet(); if ( NULL == wsheet ) continue; QString strSheetName = wsheet->sheetName(); // sheet name strHtml = strHtml + QString("") + strSheetName + QString("
\n"); // UTF-8 strHtml = strHtml + QString(""); QVector clList = wsheet->getFullCells( &maxRow, &maxCol ); QVector< QVector > cellValues; for (int rc = 0; rc < maxRow; rc++) { QVector tempValue; for (int cc = 0; cc < maxCol; cc++) { tempValue.push_back(QString("")); } cellValues.push_back(tempValue); } for ( int ic = 0; ic < clList.size(); ++ic ) { // cell location CellLocation cl = clList.at(ic); int row = cl.row - 1; int col = cl.col - 1; //////////////////////////////////////////////////////////////////// // cell pointer QSharedPointer ptrCell = cl.cell; /////////////////////////////////////////////////////////////////// // value of cell QVariant var = cl.cell.data()->value(); QString str = var.toString(); cellValues[row][col] = str; } QString strTableRecord; for (int rc = 0; rc < maxRow; rc++) { strTableRecord = strTableRecord + QString(""); for (int cc = 0; cc < maxCol; cc++) { QString strTemp = cellValues[rc][cc]; strTableRecord = strTableRecord + QString(""); } strTableRecord = strTableRecord + QString("\n"); } strHtml = strHtml + strTableRecord; strHtml = strHtml + QString("

"); strTableRecord = strTableRecord + strTemp; // UTF-8 strTableRecord = strTableRecord + QString("

\n"); sheetIndexNumber++; } return true; }