文章页显示tag标签列表和dedecms的tag标签随机背景彩色

<!--在文章页面显示tag标签列表-->
{dede:field name='tags' runphp='yes'}
$list = @me;
$list = explode(',',$list);
if(is_array($list) && count($list) == 1 )
{
$list = explode(' ',$list);
}
$vlist = '';
foreach($list as $key => $val)
{
$vlist .= '<a class="tag'.$key.'" href="/tags.php?'.$val.'">'.$val.'</a>  ';
}
@me = $vlist;

{/dede:field}
<!--在文章页面显示tag标签列表-->
<style>
.tag0{background:#aaa;}
.tag1{background:#bbb;}
.tag2{background:#ccc;}
.tag3{background:#ddd;}
</style>