<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JS-XLSX Live Demo</title> <style> #drop{ border:2px dashed #bbb; -moz-border-radius:5px; -webkit-border-radius:5px; border-radius:5px; padding:25px; text-align:center; font:20pt bold,"Vollkorn";color:#bbb } #b64data{ width:100%; } </style> </head> <body> <b>JS-XLSX Live Demo</b><br /> <input type="radio" name="format" value="csv" checked> CSV<br> <input type="radio" name="format" value="json"> JSON<br> <input type="radio" name="format" value="form"> FORMULAE<br> <div id="drop">Drop an XLSX file here to see sheet data.</div> <textarea id="b64data">... or paste a base64-encoding here</textarea> <input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/> <pre id="out"></pre> <br /> <script src="jszip.js"></script> <script src="xlsx.js"></script> <script> function xlsxworker(data, cb) { var worker = new Worker('./xlsxworker.js'); worker.onmessage = function(e) { switch(e.data.t) { case 'ready': break; case 'e': console.error(e.data.d); case 'xlsx': cb(JSON.parse(e.data.d)); break; } }; var arr = btoa(String.fromCharCode.apply(null, new Uint8Array(data))); worker.postMessage(arr); } function get_radio_value( radioName ) { var radios = document.getElementsByName( radioName ); for( var i = 0; i < radios.length; i++ ) { if( radios[i].checked ) { return radios[i].value; } } } function to_json(workbook) { var result = {}; workbook.SheetNames.forEach(function(sheetName) { var roa = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]); if(roa.length > 0){ result[sheetName] = roa; } }); return result; } function to_csv(workbook) { var result = []; workbook.SheetNames.forEach(function(sheetName) { var csv = XLSX.utils.sheet_to_csv(workbook.Sheets[sheetName]); if(csv.length > 0){ result.push("SHEET: " + sheetName); result.push(""); result.push(csv); } }); return result.join("\n"); } function to_formulae(workbook) { var result = []; workbook.SheetNames.forEach(function(sheetName) { var formulae = XLSX.utils.get_formulae(workbook.Sheets[sheetName]); if(formulae.length > 0){ result.push("SHEET: " + sheetName); result.push(""); result.push(formulae.join("\n")); } }); return result.join("\n"); } var tarea = document.getElementById('b64data'); function b64it() { var wb = XLSX.read(tarea.value, {type: 'base64'}); process_wb(wb); } function process_wb(wb) { var output = ""; switch(get_radio_value("format")) { case "json": output = JSON.stringify(to_json(wb), 2, 2); break; case "form": output = to_formulae(wb); break; default: output = to_csv(wb); } if(out.innerText === undefined) out.textContent = output; else out.innerText = output; } var drop = document.getElementById('drop'); function handleDrop(e) { e.stopPropagation(); e.preventDefault(); var files = e.dataTransfer.files; var i,f; for (i = 0, f = files[i]; i != files.length; ++i) { var reader = new FileReader(); var name = f.name; reader.onload = function(e) { var data = e.target.result; if(typeof Worker !== 'undefined') { xlsxworker(data, process_wb); } else { //var wb = XLSX.read(data, {type: 'binary'}); var arr = String.fromCharCode.apply(null, new Uint8Array(data)); var wb = XLSX.read(btoa(arr), {type: 'base64'}); process_wb(wb); } }; //reader.readAsBinaryString(f); reader.readAsArrayBuffer(f); } } function handleDragover(e) { e.stopPropagation(); e.preventDefault(); e.dataTransfer.dropEffect = 'copy'; } if(drop.addEventListener) { drop.addEventListener('dragenter', handleDragover, false); drop.addEventListener('dragover', handleDragover, false); drop.addEventListener('drop', handleDrop, false); } </script> </body> </html>