what I need to config when I export excel, when I do as the example it's not work

[Yhaojing]

exports.exportData = (req, res) => { console.log('导出数据：new method'); var conf ={}; // uncomment it for style example // conf.stylesXmlFile = "styles.xml"; conf.cols = [{ caption:'string', captionStyleIndex: 1, type:'string', beforeCellWrite:function(row, cellData){ return cellData.toUpperCase(); } , width:15 },{ caption:'date', type:'date', beforeCellWrite:function(){ var originDate = new Date(Date.UTC(1899,11,30)); return function(row, cellData, eOpt){ if (cellData === null){ eOpt.cellType = 'string'; return 'N/A'; } else return (cellData - originDate) / (24 * 60 * 60 * 1000); } }() , width:20.85 },{ caption:'bool', type:'bool' },{ caption:'number', type:'number', width:30 }]; conf.rows = [ ['pi', new Date(Date.UTC(2013, 4, 1)), true, 3.14159], ["e", new Date(2012, 4, 1), false, 2.7182], ["M&M<>'", new Date(Date.UTC(2013, 6, 9)), false, 1.61803], ["null date", null, true, 1.414] ]; var result = nodeExcel.execute(conf); res.setHeader('Content-Type', 'application/vnd.openxmlformats'); res.setHeader("Content-Disposition", "attachment; filename=" + "Report.xlsx"); res.end(result, 'binary'); }; can print 导出数据：new method but not export excel

[Yhaojing]

Is it cause by that I used webpack ????