DataTables导出单元格边距

$('#example').DataTable( {
    dom: 'Bfrtip',
    buttons: [
        {
            extend: 'excelHtml5',
            customizeData: function ( data ) {
                var sheet = data.xl.worksheets[0];
                var cells = sheet.cells;

                // 设置单元格边距
                for (var i = 0; i < cells.length; i++) {
                    cells[i].s = {
                        alignment: {
                            wrapText: true,
                            vertical: 'top',
                            horizontal: 'left',
                            indent: 1
                        }
                    };
                }
            }
        }
    ]
} );