forked from sheetjs/sheetjs
100 lines
2.4 KiB
HTML
100 lines
2.4 KiB
HTML
<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>
|
|
<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>
|
|
|
|
<div id="drop">Drop an XLSX file here to see data in CSV or JSON.</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 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
//Row object array form:
|
|
//Each row is an object with column headers as keys
|
|
function to_json(workbook) {
|
|
var result = {};
|
|
workbook.SheetNames.forEach(function(sheetName) {
|
|
var rObjArr = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]);
|
|
if(rObjArr.length > 0){
|
|
result[sheetName] = rObjArr;
|
|
}
|
|
});
|
|
return result;
|
|
}
|
|
|
|
|
|
function to_csv(sheet) {
|
|
return XLSX.utils.sheet_to_csv(sheet);
|
|
}
|
|
|
|
var tarea = document.getElementById('b64data');
|
|
function b64it() {
|
|
var xlsx = XLSX.read(tarea.value, {type: 'base64'});
|
|
process_xlsx(xlsx);
|
|
}
|
|
|
|
function process_xlsx(xlsx) {
|
|
var output = "";
|
|
if(get_radio_value("format") === "json"){
|
|
output = JSON.stringify(to_json(xlsx), 2, 2);
|
|
} else {
|
|
output = to_csv(xlsx.Sheets[xlsx.SheetNames[0]]);
|
|
}
|
|
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;
|
|
var xlsx = XLSX.read(data, {type: 'binary'});
|
|
process_xlsx(xlsx);
|
|
};
|
|
reader.readAsBinaryString(f);
|
|
}
|
|
}
|
|
|
|
function handleDragover(e) {
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
e.dataTransfer.dropEffect = 'copy';
|
|
}
|
|
|
|
if(drop.addEventListener) { // IE compatibility
|
|
drop.addEventListener('dragover', handleDragover, false);
|
|
drop.addEventListener('drop', handleDrop, false);
|
|
}
|
|
</script>
|