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