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) {
if (!table.nodeType) table = document.getElementById(table)
var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
window.location.href = uri + base64(format(template, ctx))
}
})()
ie浏览器不支持data协议，导不出excel文件的，需要回发服务器后输出。。文件名指定不了，除非你点击下载，设置a的download属性可以实现指定文件名
<table id="tb"><tr><td>1111</td></tr><tr><td>2222</td></tr><tr><td>333</td></tr><tr><td>444</td></tr></table>
<a href="" download="myexcel.xls" id="dl">下载xls</a>
<script>
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) {
if (!table.nodeType) table = document.getElementById(table)
var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }
return uri + base64(format(template, ctx))/////
window.location.href = uri + base64(format(template, ctx))
}
})()
dl.href= tableToExcel('tb','hello')
</script>
多谢，解决了燃眉之急，比随机生成的文件名好多了，谢谢大神