javascript实现web中table导出为excel




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: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)
            var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }

            document.getElementById("dlink").href = uri + base64(format(template, ctx));
            document.getElementById("dlink").download = filename;
            document.getElementById("dlink").click();

        }
    })();

    tableToExcel('table_id', 'hello',file_name);





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