<div class="col-sm-3">
    <div class="ibox float-e-margins">
        <div class="ibox-title">
            <h5>上传资源</h5>
        </div>
        <div class="ibox-content">
            <button type="button" class="btn btn-block btn-outline btn-primary" id="userupload" name="userupload">上传资源</button>
        </div>
    </div>
</div>