JS代码：
/**
* 将html的table转成Excel的data协议类型数据，不支持ie
* table 是HTML DOM Document 对象
× name 是sheet的名称
*/
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><meta http-equiv="Content-type" content="text/html;charset=UTF-8" /><!--[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) {
var ctx = {
worksheet : name || 'Worksheet',
table : table.innerHTML
}
return uri + base64(format(template, ctx));
}
})();