<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<table id="targetTable">
<thead>
<tr>
<th>名次</th>
<th>姓名</th>
<th>成绩</th>
</tr>
</thead>
<tbody>
<tr align="center">
<td>1</td>
<td>小明</td>
<td>100</td>
</tr>
<tr align="center">
<td>2</td>
<td>小红</td>
<td>95.5</td>
</tr>
</tbody>
</table>
<button onclick="tableToExcel('targetTable', '成绩', 'daododd')">导出</button>
<script type="text/javascript">
var tableToExcel = (function() {
var uri = 'data:application/vnd.ms-excel;base64,',
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><!--[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>',
base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) },
format = function(s, c) {
return s.replace(/{(\w+)}/g,
function(m, p) { return c[p];}
)
}
return function(table, name, filename) {
if (!table.nodeType) table = document.getElementById(table)
var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
var nodea = document.createElement('a');
document.body.appendChild(nodea);
nodea.href = uri + base64(format(template, ctx));
nodea.download = filename;
nodea.click();
document.body.removeChild(nodea);
}
})()
</script>
</body>
</html>
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