<div class="col-md-12 column">
    <div class="alert alert-success alert-dismissable">
         <button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
        <h4>
        </h4> <strong>Nice!</strong>  excel文件已生成请点击 <a href="/static/files/excels/{{ file_name }}" target="_blank" class="alert-link">下载</a>
    </div>
</div>