如题：
点击导出按钮，将页面的表格导出为excel格式
代码如下
使用js-xlsx进行导出
代码语言：javascript复制<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdn.bootcdn.net/ajax/libs/xlsx/0.18.5/xlsx.core.min.js"></script>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<style>
table,
table tr th,
table tr td {
border: 1px solid #333;
}
table {
width: 400px;
margin-top: 10px;
text-align: center;
border-collapse: collapse;
padding: 2px;
}
</style>
</head>
<body>
<div>
<button onclick="btn_export()">Excel导出</button>
<!-- 表格 -->
<table id="table1">
<tr class="info" style=" text-align: center;">
<th>列1</th>
<th>列2</th>
<th>列3</th>
<th>列4</th>
<th>列5</th>
<th>列6</th>
</tr>
<tr>
<td>111</td>
<td>222</td>
<td>333</td>
<td>444</td>
<td>555</td>
<td>666</td>
</tr>
</table>
</div>
</div>
<script>
function btn_export() {
var table1 = document.querySelector("#table1");
var sheet = XLSX.utils.table_to_sheet(table1);//将一个table对象转换成一个sheet对象
openDownloadDialog(sheet2blob(sheet), '导出.xlsx');
}
// 将一个sheet转成最终的excel文件的blob对象，然后利用URL.createObjectURL下载
function sheet2blob(sheet, sheetName) {
sheetName = sheetName || 'sheet1';
var workbook = {
SheetNames: [sheetName],
Sheets: {}
};
workbook.Sheets[sheetName] = sheet; // 生成excel的配置项
var wopts = {
bookType: 'xlsx', // 要生成的文件类型
bookSST: false, // 是否生成Shared String Table，官方解释是，如果开启生成速度会下降，但在低版本IOS设备上有更好的兼容性
type: 'binary'
};
var wbout = XLSX.write(workbook, wopts);
var blob = new Blob([s2ab(wbout)], {
type: "application/octet-stream"
}); // 字符串转ArrayBuffer
function s2ab(s) {
var buf = new ArrayBuffer(s.length);
var view = new Uint8Array(buf);
for (var i = 0; i != s.length; i) view[i] = s.charCodeAt(i) & 0xFF;
return buf;
}
return blob;
}
function openDownloadDialog(url, saveName) {
if (typeof url == 'object' && url instanceof Blob) {
url = URL.createObjectURL(url); // 创建blob地址
}
var aLink = document.createElement('a');
aLink.href = url;
aLink.download = saveName || ''; // HTML5新增的属性，指定保存文件名，可以不要后缀，注意，file:///模式下不会生效
var event;
if (window.MouseEvent) event = new MouseEvent('click');
else {
event = document.createEvent('MouseEvents');
event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
}
aLink.dispatchEvent(event);
}
</script>
</body>
</html>导出如图
