forked from sheetjs/sheetjs
279 lines
7.4 KiB
HTML
279 lines
7.4 KiB
HTML
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<!DOCTYPE html>
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<!-- xlsx.js (C) 2013-present SheetJS http://sheetjs.com -->
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<!-- vim: set ts=2: -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>JS-XLSX Live Demo</title>
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<style>
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#drop{
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border:2px dashed #bbb;
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-moz-border-radius:5px;
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-webkit-border-radius:5px;
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border-radius:5px;
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padding:25px;
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text-align:center;
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font:20pt bold,"Vollkorn";color:#bbb
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}
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#b64data{
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width:100%;
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}
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</style>
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</head>
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<body>
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<b>JS-XLSX Live Demo</b><br />
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Output Format:
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<select name="format">
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<option value="csv" selected> CSV</option>
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<option value="json"> JSON</option>
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<option value="form"> FORMULAE</option>
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</select><br />
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<div id="drop">Drop a spreadsheet file here to see sheet data</div>
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<p><input type="file" name="xlfile" id="xlf" /> ... or click here to select a file</p>
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<textarea id="b64data">... or paste a base64-encoding here</textarea>
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<input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/><br />
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Advanced Demo Options: <br />
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Use Web Workers: (when available) <input type="checkbox" name="useworker" checked><br />
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Use Transferrables: (when available) <input type="checkbox" name="xferable" checked><br />
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Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked><br />
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<pre id="out"></pre>
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<br />
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<script src="browserify.min.js"></script>
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<script>
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var X = require('xlsx');
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var XW = {
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/* worker message */
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msg: 'xlsx',
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/* worker scripts */
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rABS: './xlsxworker2.js',
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norABS: './xlsxworker1.js',
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noxfer: './xlsxworker.js'
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};
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var rABS = typeof FileReader !== "undefined" && typeof FileReader.prototype !== "undefined" && typeof FileReader.prototype.readAsBinaryString !== "undefined";
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if(!rABS) {
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document.getElementsByName("userabs")[0].disabled = true;
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document.getElementsByName("userabs")[0].checked = false;
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}
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var use_worker = typeof Worker !== 'undefined';
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if(!use_worker) {
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document.getElementsByName("useworker")[0].disabled = true;
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document.getElementsByName("useworker")[0].checked = false;
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}
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var transferable = use_worker;
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if(!transferable) {
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document.getElementsByName("xferable")[0].disabled = true;
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document.getElementsByName("xferable")[0].checked = false;
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}
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var wtf_mode = false;
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function fixdata(data) {
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var o = "", l = 0, w = 10240;
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for(; l<data.byteLength/w; ++l) o+=String.fromCharCode.apply(null,new Uint8Array(data.slice(l*w,l*w+w)));
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o+=String.fromCharCode.apply(null, new Uint8Array(data.slice(l*w)));
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return o;
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}
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function ab2str(data) {
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var o = "", l = 0, w = 10240;
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for(; l<data.byteLength/w; ++l) o+=String.fromCharCode.apply(null,new Uint16Array(data.slice(l*w,l*w+w)));
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o+=String.fromCharCode.apply(null, new Uint16Array(data.slice(l*w)));
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return o;
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}
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function s2ab(s) {
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var b = new ArrayBuffer(s.length*2), v = new Uint16Array(b);
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for (var i=0; i != s.length; ++i) v[i] = s.charCodeAt(i);
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return [v, b];
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}
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function xw_noxfer(data, cb) {
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var worker = new Worker(XW.noxfer);
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worker.onmessage = function(e) {
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switch(e.data.t) {
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case 'ready': break;
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case 'e': console.error(e.data.d); break;
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case XW.msg: cb(JSON.parse(e.data.d)); break;
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}
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};
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var arr = rABS ? data : btoa(fixdata(data));
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worker.postMessage({d:arr,b:rABS});
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}
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function xw_xfer(data, cb) {
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var worker = new Worker(rABS ? XW.rABS : XW.norABS);
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worker.onmessage = function(e) {
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switch(e.data.t) {
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case 'ready': break;
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case 'e': console.error(e.data.d); break;
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default: xx=ab2str(e.data).replace(/\n/g,"\\n").replace(/\r/g,"\\r"); console.log("done"); cb(JSON.parse(xx)); break;
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}
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};
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if(rABS) {
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var val = s2ab(data);
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worker.postMessage(val[1], [val[1]]);
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} else {
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worker.postMessage(data, [data]);
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}
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}
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function xw(data, cb) {
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transferable = document.getElementsByName("xferable")[0].checked;
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if(transferable) xw_xfer(data, cb);
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else xw_noxfer(data, cb);
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}
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function get_radio_value( radioName ) {
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var radios = document.getElementsByName( radioName );
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for( var i = 0; i < radios.length; i++ ) {
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if( radios[i].checked || radios.length === 1 ) {
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return radios[i].value;
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}
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}
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}
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function to_json(workbook) {
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var result = {};
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workbook.SheetNames.forEach(function(sheetName) {
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var roa = X.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]);
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if(roa.length > 0){
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result[sheetName] = roa;
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}
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});
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return result;
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}
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function to_csv(workbook) {
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var result = [];
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workbook.SheetNames.forEach(function(sheetName) {
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var csv = X.utils.sheet_to_csv(workbook.Sheets[sheetName]);
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if(csv.length > 0){
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result.push("SHEET: " + sheetName);
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result.push("");
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result.push(csv);
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}
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});
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return result.join("\n");
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}
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function to_formulae(workbook) {
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var result = [];
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workbook.SheetNames.forEach(function(sheetName) {
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var formulae = X.utils.get_formulae(workbook.Sheets[sheetName]);
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if(formulae.length > 0){
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result.push("SHEET: " + sheetName);
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result.push("");
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result.push(formulae.join("\n"));
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}
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});
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return result.join("\n");
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}
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var tarea = document.getElementById('b64data');
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function b64it() {
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if(typeof console !== 'undefined') console.log("onload", new Date());
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var wb = X.read(tarea.value, {type: 'base64',WTF:wtf_mode});
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process_wb(wb);
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}
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function process_wb(wb) {
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var output = "";
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switch(get_radio_value("format")) {
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case "json":
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output = JSON.stringify(to_json(wb), 2, 2);
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break;
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case "form":
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output = to_formulae(wb);
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break;
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default:
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output = to_csv(wb);
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}
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if(out.innerText === undefined) out.textContent = output;
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else out.innerText = output;
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if(typeof console !== 'undefined') console.log("output", new Date());
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}
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var drop = document.getElementById('drop');
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function handleDrop(e) {
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e.stopPropagation();
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e.preventDefault();
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rABS = document.getElementsByName("userabs")[0].checked;
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use_worker = document.getElementsByName("useworker")[0].checked;
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var files = e.dataTransfer.files;
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var f = files[0];
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{
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var reader = new FileReader();
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var name = f.name;
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reader.onload = function(e) {
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if(typeof console !== 'undefined') console.log("onload", new Date(), rABS, use_worker);
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var data = e.target.result;
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if(use_worker) {
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xw(data, process_wb);
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} else {
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var wb;
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if(rABS) {
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wb = X.read(data, {type: 'binary'});
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} else {
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var arr = fixdata(data);
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wb = X.read(btoa(arr), {type: 'base64'});
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}
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process_wb(wb);
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}
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};
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if(rABS) reader.readAsBinaryString(f);
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else reader.readAsArrayBuffer(f);
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}
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}
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function handleDragover(e) {
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e.stopPropagation();
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e.preventDefault();
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e.dataTransfer.dropEffect = 'copy';
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}
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if(drop.addEventListener) {
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drop.addEventListener('dragenter', handleDragover, false);
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drop.addEventListener('dragover', handleDragover, false);
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drop.addEventListener('drop', handleDrop, false);
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}
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var xlf = document.getElementById('xlf');
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function handleFile(e) {
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rABS = document.getElementsByName("userabs")[0].checked;
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use_worker = document.getElementsByName("useworker")[0].checked;
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var files = e.target.files;
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var f = files[0];
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{
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var reader = new FileReader();
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var name = f.name;
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reader.onload = function(e) {
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if(typeof console !== 'undefined') console.log("onload", new Date(), rABS, use_worker);
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var data = e.target.result;
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if(use_worker) {
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xw(data, process_wb);
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} else {
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var wb;
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if(rABS) {
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wb = X.read(data, {type: 'binary'});
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} else {
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var arr = fixdata(data);
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wb = X.read(btoa(arr), {type: 'base64'});
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}
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process_wb(wb);
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}
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};
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if(rABS) reader.readAsBinaryString(f);
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else reader.readAsArrayBuffer(f);
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}
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}
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if(xlf.addEventListener) xlf.addEventListener('change', handleFile, false);
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</script>
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</body>
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</html>
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