dedecms V5.6 文档关键词自动链接怎么解决

foreach($kws as $k) 
{ 
$k = trim($k); 
if($k!=''") 
{ 
if($i > $maxkey) 
{ 
break; 
} 
$myrow = $this->dsql->GetOne("select * from dede_keywords where keyword=&#39;$k&#39; And rpurl<>&#39;&#39; "); 
if(is_array($myrow)) 
{ 
$karr[] = $k; 
$GLOBALS[&#39;replaced&#39;][$k] = 0; 
$kaarr[] = "<a href=&#39;{$myrow[&#39;rpurl&#39;]}&#39;><u>$k</u></a>"; 
} 
$i++; 
} 
}

global $dsql; 
$query="SELECT * FROM dede_keywords WHERE rpurl<>&#39;&#39; ORDER BY rank DESC"; 
$dsql->SetQuery($query); 
$dsql->Execute(); 
while($row = $dsql->GetArray()) 
{ 
$key = trim($row[&#39;keyword&#39;]); 
$key_url=trim($row[&#39;rpurl&#39;]); 
$karr[] = $key; 
$kaarr[] = "<a href=&#39;$key_url&#39; target=&#39;_blank&#39;><u>$key</u></a>"; 
}