{css href="//cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.css"}
{css href="//cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.min.css"}
{js href="//cdn.bootcss.com/jquery/3.2.1/jquery.min.js"}
{js href="//cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"}
{js href="_layui_layui.js"}