1. db("advise")->order("id desc")->select();
2.Db::table('think_user')->where('status=1')->order('id desc,status')->limit(5)->select();
3.{empty name="name"}
name为空值
{/empty}
4.{notempty name="name"}
name不为空
{/notempty}
5.<form class="layui-form" action="{empty name='$rsEdit.uid'}{:url('main/addschool')}{else /}{:url('main/editschool')}{/empty}" method="post">
6. {if condition="$rsEdit.img != ''"}<img src="/uploads/{$rsEdit.img}" width="50px" height="50px">{/if}
7.