ThinkAdmin/app/admin/view/index/index-left.html

<div class="layui-side">
    <a class="layui-side-target" data-target-menu-type></a>
    <a class="layui-logo layui-elip" href="{:sysuri('@')}" title="{:sysconf('app_name')}">
        <span class="headimg headimg-no headimg-xs" data-lazy-src="{:sysconf('site_icon')}"></span>
        <span class="headtxt">{:sysconf('app_name')} {if sysconf('app_version')}<sup>{:sysconf('app_version')}</sup>{/if}</span>
    </a>
    <div class="layui-side-scroll">
        <div class="layui-side-icon">
            {foreach $menus as $one}
            <div>
                <a data-menu-node="m-{$one.id}" data-open="{$one.url}" data-target-tips="{$one.title|default=''}">
                    {notempty name='one.icon'}<i class="{$one.icon|default=''}"></i>{/notempty}
                    <span>{$one.title|default=''}</span>
                </a>
            </div>
            {/foreach}
        </div>
        <div class="layui-side-tree">
            {foreach $menus as $one}{notempty name='one.sub'}
            <ul class="layui-nav layui-nav-tree layui-hide" data-menu-layout="m-{$one.id}">
                {foreach $one.sub as $two}{empty name='two.sub'}
                <li class="layui-nav-item">
                    <a data-target-tips="{$two.title}" data-menu-node="m-{$one.id}-{$two.id}" data-open="{$two.url}">
                        <span class='nav-icon {$two.icon|default="layui-icon layui-icon-senior"}'></span>
                        <span class="nav-text">{$two.title|default=''}</span>
                    </a>
                </li>
                {else}
                <li class="layui-nav-item" data-submenu-layout='m-{$one.id}-{$two.id}'>
                    <a data-target-tips="{$two.title}">
                        <span class='nav-icon layui-hide {$two.icon|default="layui-icon layui-icon-triangle-d"}'></span>
                        <span class="nav-text">{$two.title|default=''}</span>
                    </a>
                    <dl class="layui-nav-child">
                        {foreach $two.sub as $thr}
                        <dd>
                            <a data-target-tips="{$thr.title}" data-open="{$thr.url}" data-menu-node="m-{$one.id}-{$two.id}-{$thr.id}">
                                <span class='nav-icon {$thr.icon|default="layui-icon layui-icon-senior"}'></span>
                                <span class="nav-text">{$thr.title|default=''}</span>
                            </a>
                        </dd>
                        {/foreach}
                    </dl>
                </li>
                {/empty}{/foreach}
            </ul>
            {/notempty}{/foreach}
        </div>
    </div>
</div>