JS导出Excel 代码笔记

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) {
        var $table = [];
        $table = $(table).clone();
        $table.find("td").each(function () {
            if ($(this).css("display") == "none") {
                $(this).remove();
            }
        });
        $table.find("th").each(function () {
            if ($(this).css("display") == "none") {
                $(this).remove();
            }
        });
        var ctx = {
            worksheet: name || 'Worksheet', table: $table.html()
        }
        window.location.href = uri + base64(format(template, ctx));
    }
})();

 

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