forked from sheetjs/sheetjs
SheetJS
6bc24374b9
- parsexmltag and other hot functions now better optimized for v8 - monomorphic functions (different types -> different funcs) - more efficient decode_range implementation when source is trusted - regular expressions cached and simplified without breaking correctness - more efficient utf8 techniques when available - XLSX: large functions broken down into sub-functions (e.g. `parse_ws_xml`) - XLSB: avoid unnecessary binds - XLSB: assume no exotic codepage exists (no one else tries to write XLSB) - demo exposes rABS / worker / transferable options - more tests - jszip updated to 2.3.0 - SSF updated to 0.8.1 - codepage updated to 1.3.1
240 lines
6.8 KiB
HTML
240 lines
6.8 KiB
HTML
<!DOCTYPE html>
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<!-- xlsx.js (C) 2013-2014 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 (XLSX/XLSB/XLSM) 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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<!--<input type="radio" name="format" value="csv" checked> CSV<br>
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<input type="radio" name="format" value="json"> JSON<br>
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<input type="radio" name="format" value="form"> FORMULAE<br> -->
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<div id="drop">Drop an XLSX or XLSM or XLSB file here to see sheet data.</div>
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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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<!-- uncomment the next line here and in xlsxworker.js for encoding support -->
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<!--<script src="dist/cpexcel.js"></script>-->
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<script src="shim.js"></script>
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<script src="jszip.js"></script>
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<script src="xlsx.js"></script>
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<script>
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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 = true;
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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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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 xlsxworker_noxfer(data, cb) {
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var worker = new Worker('./xlsxworker.js');
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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 'xlsx': 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 xlsxworker_xfer(data, cb) {
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var worker = new Worker(rABS ? './xlsxworker2.js' : './xlsxworker1.js');
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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 xlsxworker(data, cb) {
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transferable = document.getElementsByName("xferable")[0].checked;
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if(transferable) xlsxworker_xfer(data, cb);
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else xlsxworker_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 = XLSX.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 = XLSX.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 = XLSX.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 = XLSX.read(tarea.value, {type: 'base64'});
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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 i,f;
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for (i = 0, f = files[i]; i != files.length; ++i) {
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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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xlsxworker(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 = XLSX.read(data, {type: 'binary'});
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} else {
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var arr = fixdata(data);
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wb = XLSX.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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</script>
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</body>
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</html>
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