function tableToExcel(tableID, fileName) {
var excelContent = $("#" + tableID).html();
var uri = 'data:application/vnd.ms-excel;base64,',
fileName = fileName || 'excelexport',
template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><meta name="renderer" content="webkit"><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>';
var ctx = {worksheet:'Worksheet', table: excelContent};
var a = document.createElement('a');
document.body.appendChild(a);
a.hreflang = 'zh';
a.charset = 'utf8';
a.type="application/vnd.ms-excel";
let blob = new Blob([format(template, ctx)]);
a.href = URL.createObjectURL(blob);
a.target = '_blank';
a.download = fileName + '.xls';
a.tableBorder = 1;
a.click();
}
function format(s, c) {
return s.replace(/{(\w+)}/g,
function(m, p) {
return c[p];
}
)
};
