如何在dedecms5.7文章内容页调用关键词增加链接呢？？

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考虑到seo优化，我看到很多网站都在内容页调用了关键词，这样也能增加外链，其实不难实现，下面是织梦实现代码：

{dede:field name='keywords' runphp='yes' }                     if(!empty(@me))                     {                         $kws = explode(',',@me);                         @me = "";                         foreach($kws as $k)                         {                            @me .= "

$k

";                         }                          @me= str_replace(' ', ' ',trim(@me));                     }