forked from sheetjs/sheetjs
109 lines
2.7 KiB
HTML
109 lines
2.7 KiB
HTML
<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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<b>JS-XLSX Live Demo</b><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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<div id="drop">Drop an XLSX file here to see data in CSV or JSON.</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();"/>
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<pre id="out"></pre>
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<br />
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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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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 ) {
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return radios[i].value;
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}
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}
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}
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//Row object array form:
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//Each row is an object with column headers as keys
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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 rObjArr = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]);
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if(rObjArr.length > 0){
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result[sheetName] = rObjArr;
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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 rObjArr = XLSX.utils.sheet_to_csv(workbook.Sheets[sheetName]);
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if(rObjArr.length > 0){
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result.push("SHEET: " + sheetName);
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result.push("");
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result.push(rObjArr);
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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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var xlsx = XLSX.read(tarea.value, {type: 'base64'});
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process_xlsx(xlsx);
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}
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function process_xlsx(xlsx) {
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var output = "";
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if(get_radio_value("format") === "json"){
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output = JSON.stringify(to_json(xlsx), 2, 2);
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} else {
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output = to_csv(xlsx);
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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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}
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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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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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var data = e.target.result;
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var xlsx = XLSX.read(data, {type: 'binary'});
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process_xlsx(xlsx);
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};
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reader.readAsBinaryString(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) { // IE compatibility
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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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