html中直接导出Excel

/**
 * table数据导出到excel
 * 形参 table  : tableId ;
 *      sheetName : 工作薄名
 *      fileName  : 文件名
 *      linkId    ：隐藏的链接控件id
 */

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, sheetName, fileName,linkId) {
        if (!table.nodeType)
            table = document.getElementById(table);
        var ctx = { worksheet: sheetName || 'Worksheet', table: table.innerHTML }
        var dlinkInfo = document.getElementById(linkId);
        dlinkInfo.href = uri + base64(format(template, ctx));
        dlinkInfo.download = fileName;
        dlinkInfo.click();
    }
})();

<div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                <div class="container">
                    <div class="row">
                        <div class="col-md-6">
                            <h4 class="modal-title" id="myModalLabel"></h4>
                        </div>
                        <div class="col-md-4">
                            <h4 class="modal-title" id="tipMessageLabel"></h4>
                        </div>
                        <div class="col-md-2">
                            <input type="button" onClick="exportDataToExcel()" value="导出到Excel"
                                   class="btn btn-primary">
                            <a id="dlink" style="display: none;"></a>
                        </div>
                    </div>
                </div>
            </div>
            <div style=" height:550px; overflow:scroll;">
                <table class="col-lg-12 table table-striped table-bordered"
                       id="relatedBaseInfoTable" style="max-height: 500px"></table>

            </div>

var exeExportDataToExcel = function () {
    var sheetName = $("#tipMessageLabel").html();
    var fileName = $("#myModalLabel").html() + ".xls";
    tableToExcel("relatedBaseInfoTable", sheetName, fileName, "dlink");
}

html中直接导出Excel

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