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sheetjs/index.html

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initial
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<!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>
<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>
<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>
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<b>JS-XLSX (XLSX/XLSB/XLSM) Live Demo</b><br />
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Output Format:
<select name="format">
<option value="csv" selected> CSV</option>
<option value="json"> JSON</option>
<option value="form"> FORMULAE</option>
</select><br />
<!--<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 />
Advanced Demo Options: <br />
Use Web Workers: (when available) <input type="checkbox" name="useworker" checked><br />
Use Transferrables: (when available) <input type="checkbox" name="xferable" checked><br />
Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked><br />
initial
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<pre id="out"></pre>
<br />
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<!-- uncomment the next line here and in xlsxworker.js for encoding support -->
<!--<script src="dist/cpexcel.js"></script>-->
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<script src="shim.js"></script>
initial
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<script src="jszip.js"></script>
<script src="xlsx.js"></script>
<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) {
document.getElementsByName("userabs")[0].disabled = true;
document.getElementsByName("userabs")[0].checked = false;
}
var use_worker = typeof Worker !== 'undefined';
if(!use_worker) {
document.getElementsByName("useworker")[0].disabled = true;
document.getElementsByName("useworker")[0].checked = false;
}
var transferable = true;
if(!transferable) {
document.getElementsByName("xferable")[0].disabled = true;
document.getElementsByName("xferable")[0].checked = false;
}
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function fixdata(data) {
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)));
o+=String.fromCharCode.apply(null, new Uint8Array(data.slice(l*w)));
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return o;
}
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function ab2str(data) {
var o = "", l = 0, w = 10240;
for(; l<data.byteLength/w; ++l) o+=String.fromCharCode.apply(null,new Uint16Array(data.slice(l*w,l*w+w)));
o+=String.fromCharCode.apply(null, new Uint16Array(data.slice(l*w)));
return o;
}
function s2ab(s) {
var b = new ArrayBuffer(s.length*2), v = new Uint16Array(b);
for (var i=0; i != s.length; ++i) v[i] = s.charCodeAt(i);
return [v, b];
}
function xlsxworker_noxfer(data, cb) {
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var worker = new Worker('./xlsxworker.js');
worker.onmessage = function(e) {
switch(e.data.t) {
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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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) {
var worker = new Worker(rABS ? './xlsxworker2.js' : './xlsxworker1.js');
worker.onmessage = function(e) {
switch(e.data.t) {
case 'ready': break;
case 'e': console.error(e.data.d); break;
default: xx=ab2str(e.data).replace(/\n/g,"\\n").replace(/\r/g,"\\r"); console.log("done"); cb(JSON.parse(xx)); break;
}
};
if(rABS) {
var val = s2ab(data);
worker.postMessage(val[1], [val[1]]);
} else {
worker.postMessage(data, [data]);
}
}
function xlsxworker(data, cb) {
transferable = document.getElementsByName("xferable")[0].checked;
if(transferable) xlsxworker_xfer(data, cb);
else xlsxworker_noxfer(data, cb);
}
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function get_radio_value( radioName ) {
var radios = document.getElementsByName( radioName );
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;
}
}
}
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() {
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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'});
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);
Worker HTML update
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break;
initial
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default:
output = to_csv(wb);
}
if(out.innerText === undefined) out.textContent = output;
else out.innerText = output;
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if(typeof console !== 'undefined') console.log("output", new Date());
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}
var drop = document.getElementById('drop');
function handleDrop(e) {
e.stopPropagation();
e.preventDefault();
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rABS = document.getElementsByName("userabs")[0].checked;
use_worker = document.getElementsByName("useworker")[0].checked;
initial
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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) {
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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);
} else {
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var wb;
if(rABS) {
wb = XLSX.read(data, {type: 'binary'});
} else {
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var arr = fixdata(data);
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wb = XLSX.read(btoa(arr), {type: 'base64'});
}
process_wb(wb);
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}
};
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if(rABS) reader.readAsBinaryString(f);
else reader.readAsArrayBuffer(f);
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}
}
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>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-36810333-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>