tp5-form-builder/view/public/items/sort.html

<div class="form-group col-lg-12 col-md-12 col-sm-12 col-xs-12" id="form_group_{$form.name}">
    <div class="col-xs-12 label-title" for="{$form.name}">{$form.title|htmlspecialchars}</div>
    <input type="hidden" name="{$form.name}" value="{$form.value|default=''}">
    <div class="col-sm-12">
        {empty name="form.value"}
            <div class="form-control-static">暂无数据，无法排序</div>
        {else/}
            <div class="dd nestable" data-name="{$form.name}">
                <ol class="dd-list">
                    {volist name="form.extra" id="item"}
                    <li class="dd-item" data-id="{$key}">
                        <div class="dd-handle dd3-handle">拖拽</div><div class="dd3-content">{$item|htmlspecialchars}</div>
                    </li>
                    {/volist}
                </ol>
            </div>
        {/empty}

        {notempty name="form.tips"}
        <div class="help-block">{$form.tips}</div>
        {/notempty}
    </div>
</div>