引用：HTML中的table导出为Excel文件
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<a id="dlink" style="display:none;"></a>
<input id="button" type="button" value="Export to Excel">
<table id="tables">
<caption>表格转excel</caption>
<!--可以生成表格的标题-->
<thead>
<tr>
<th>功能</th>
<th>功能描述</th>
<th>参数取值范围</th>
<th title="ESC取消保存，Enter保存">取值</th>
</tr>
</thead>
<tbody>
<tr index="0">
<td>网络图标是否显示</td>
<td>根据用户需求适配是否显示网络i图标 开启：在主图及导航界面显示网络图标 关闭：不显示网络图标
</td>
<td>true：开启false：关闭</td>
</tr>
<tr index="1">
<td>wifi未连接蒙层提醒</td>
<td>为了引导用户联网，wifi未连接的情况下，进行强提醒。</td>
<td>true：开启false：关闭</td>
</tr>
<tr index="2">
<td>卫星界面是否显示车速值</td>
<td>可在查看卫星的详情界面配置是否显示车速值</td>
<td>true：开启false：关闭</td>
</tr>
</tbody>
</table>
<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);
console.log(table.innerHTML)
var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }//此时的innerHTML数据可以自己自定义 比如json转化 只要值要数据符合即可
document.getElementById("dlink").href = uri + base64(format(template, ctx));
document.getElementById("dlink").download = filename;
document.getElementById("dlink").click();
}
});
var id = "tables",
worksheetName = 'sheet',
workName = "demo.xls";
document.getElementById('button').onclick = function() {
var download = tableToExcel();
download(id, worksheetName, workName)
};
</script>
</body>
</html>