demos/xhr/xhr.html

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<title>SheetJS Live Demo</title>
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a { text-decoration: none }
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<body>
<pre>
<b><a href="http://sheetjs.com">SheetJS Data Preview Live Demo</a></b>

<a href="https://github.com/SheetJS/js-xlsx">Source Code Repo</a>
<a href="https://github.com/SheetJS/js-xlsx/issues">Issues?  Something look weird?  Click here and report an issue</a>
<br/><div id="fileurl"></div>
</pre>
<div id="htmlout"></div>
<br />
<button id="ulbutton">Click here to upload the modified table</button>
<pre>
<div id="outfile"></div>
</pre>
<script src="xlsx.full.min.js"></script>
<script>
var demo = 'xhr', book = 'xlsx';

if(!window.XMLHttpRequest || typeof Uint8Array === 'undefined')
	throw new Error("This demo is not supported in your browser");

function process_wb(wb) {
	console.log(wb);
	htmlout.innerHTML = XLSX.utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]], {editable:true}).replace("<table", '<table id="table" border="1"');
}

var url = "sheetjs.xlsx";
document.getElementById('fileurl').innerHTML = '<a href="' + url + '">Download original file</a>';
document.getElementById('outfile').innerHTML = '<a href="' + demo + '.' + book + '">Download new file</a>';

{
	var req = new XMLHttpRequest();
	req.open("GET", url, true);
	req.responseType = "arraybuffer";
	req.onload = function(e) {
		var data = new Uint8Array(req.response);
		var wb = XLSX.read(data, {type:"array"});
		process_wb(wb);
	};
	req.send();
}

document.getElementById('ulbutton').onclick = function() {
	var wb = XLSX.utils.table_to_book(document.getElementById('htmlout'));
	console.log(wb);
	var fd = new FormData();
	var data = XLSX.write(wb, {bookType:book, type:'array'});
	console.log(data);
	fd.append('data', new File([data], demo + '.' + book));
	var req = new XMLHttpRequest();
	req.open("POST", "/upload", true);
	req.send(fd);
};
</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);
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</script>
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