var idTmr;
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function getExplorer () {
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var explorer = window.navigator.userAgent;
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if (explorer.indexOf('MSIE') >= 0) {
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// ie
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return 'ie';
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} else if (explorer.indexOf('Firefox') >= 0) {
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// firefox
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return 'Firefox';
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} else if (explorer.indexOf('Chrome') >= 0) {
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// Chrome
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return 'Chrome';
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} else if (explorer.indexOf('Opera') >= 0) {
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// Opera
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return 'Opera';
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} else if (explorer.indexOf('Safari') >= 0) {
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// Safari
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return 'Safari';
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};
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};
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function tranform (table, aId, name) {
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let tableHead = table.$children[0].$el;
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let tableBody = table.$children[1].$el;
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let tableInnerHTML = '<thead><tr>';
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if (table.$children.length !== 1) {
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let len = tableBody.rows.length;
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let i = -1;
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while (i < len) {
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if (i == -1) {
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Array.from(tableHead.rows[0].children).forEach((td) => {
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tableInnerHTML = tableInnerHTML + '<th>' + td.children[0].children[0].innerHTML + '</th>';
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});
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tableInnerHTML += '</tr><thead><tbody>';
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} else {
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tableInnerHTML += '<tr>';
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Array.from(tableBody.rows[i].children).forEach((td) => {
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tableInnerHTML = tableInnerHTML + '<td>' + td.children[0].children[0].innerHTML + '</td>';
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});
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tableInnerHTML += '</tr>';
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}
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i++;
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}
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tableInnerHTML += '</tbody>';
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}
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if (getExplorer() !== 'Safari' && name.substr(-1, 4) !== '.xls') {
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name += '.xls';
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}
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if (getExplorer() == 'ie') {
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var curTbl = table;
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var oXL = new ActiveXObject('Excel.Application');
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var oWB = oXL.Workbooks.Add();
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var xlsheet = oWB.Worksheets(1);
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var sel = document.body.createTextRange();
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sel.moveToElementText(curTbl);
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sel.select();
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sel.execCommand('Copy');
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xlsheet.Paste();
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oXL.Visible = true;
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try {
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var fname = oXL.Application.GetSaveAsFilename('Excel.xls', 'Excel Spreadsheets (*.xls), *.xls');
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} catch (e) {
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print('Nested catch caught ' + e);
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} finally {
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oWB.SaveAs(fname);
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// oWB.Close(savechanges = false);
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oXL.Quit();
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oXL = null;
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idTmr = setInterval(Cleanup(), 1);
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}
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} else {
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tableToExcel(tableInnerHTML, aId, name);
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}
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}
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function Cleanup () {
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window.clearInterval(idTmr);
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// CollectGarbage();
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}
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let tableToExcel = (function () {
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let uri = 'data:application/vnd.ms-excel;base64,';
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let template = '<html><head><meta charset="UTF-8"></head><body><table>{table}</table></body></html>';
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let base64 = function (s) { return window.btoa(unescape(encodeURIComponent(s))); };
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let format = function (s, c) {
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return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; });
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};
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return function (table, aId, name) {
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let ctx = {worksheet: name || 'Worksheet', table: table};
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document.getElementById(aId).href = uri + base64(format(template, ctx));
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document.getElementById(aId).download = name;
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document.getElementById(aId).click();
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};
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})();
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const table2excel = {};
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table2excel.transform = tranform;
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export default table2excel;
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