如何在dedecms文章列表中添加hot,new图标

[field:pubdate runphp='yes']
$ntime = time();
$day3 = 3600 * 24 * 3;
if(($ntime – @me) < $day3) @me ="<span class='new_ico'></span>";
else @me ="";
[/field:pubdate]

[field:click runphp='yes']
if(@me > 1000 )@me ="<span class='hot_ico'></span>";
else @me ="";
[/field:click]