What's happening here? ? ?
按照老师说的
<div class="header"> <span class="title"><span style="font-size: 20px;">{$title}</span>--后台管理系统</span> <span class="userinfo">【{$login}】<span><a href="javascript:;">退出</a></span></span> </div> <div class="menu" id="menu"> <div class="layui-collapse" lay-accordion> <div class="layui-colla-item"> <h2 class="layui-colla-title">{$left[0]['title']}</h2> <div class="layui-colla-content layui-show"> <ul class="layui-nav layui-nav-tree" lay-filter="test"> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> </ul> </div> </div> <div class="layui-colla-item"> <h2 class="layui-colla-title">{$left[0]['title']}</h2> <div class="layui-colla-content"> <ul class="layui-nav layui-nav-tree" lay-filter="test"> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> </ul> </div> </div> <div class="layui-colla-item"> <h2 class="layui-colla-title">{$left[0]['title']}</h2> <div class="layui-colla-content"> <ul class="layui-nav layui-nav-tree" lay-filter="test"> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> <li class="layui-nav-item"><a href="list.html">{$left[0]['lists'][0]['title']}</a></li> </ul> </div> </div> </div> </div>
