时间，渐渐带走了年少轻狂，也慢慢沉淀了冷暖自知。成功的道路上，肯定会有失败；对于失败，我们要正确地看待和对待，不怕失败者，则必成功；怕失败者，则一无是处，会更失败。
最模板主站从dedecms 5.6 升级到5.7， 两周之后百度权重直接消失，还被惩罚了 。找了几天总算是发现到了问题，有个细节地方忘记了，文章内的描文本成全站所有文章都有，部分页还有错误。原来dedecms 升级把 文档关键词换站全站了，害死人！
1. 原本的dedecms是文章内描文本必须是设定的关键词与文档关键词相应对称，两边有才出现描文本。
代码：
/**
* 高亮问题修正, 排除alt title <a></a>直接的字符替换
*
* @param string $kw
* @param string $body
* @return string
*/
function ReplaceKeyword($kw,&$body)
{
global $cfg_cmspath;
$maxkey = 5;
$kws = explode(",",trim($kw)); //以分好为间隔符
$i=0;
$karr = $kaarr = $GLOBALS['replaced'] = array();
//暂时屏蔽超链接
$body = preg_replace("/(<a(.*))(>)(.*)(<)(\/a>)/isU", '\\1-]-\\4-[-\\6', $body);
foreach($kws as $k)
{
$k = trim($k);
if($k!="")
{
if($i > $maxkey)
{
break;
}
$myrow = $this->dsql->GetOne("select * from zuimoban_keywords where keyword='$k' And rpurl<>'' ");
if(is_array($myrow))
{
$karr[] = $k;
$GLOBALS['replaced'][$k] = 0;
$kaarr[] = "<a rel="nofollow noopener noreferrer" href='{$myrow['rpurl']}'><u>$k</u></a>";
}
$i++;
}
}
$body = preg_replace("/(^|>)([^<]+)(?=<|$)/sUe", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);
//恢复超链接
$body = preg_replace("/(<a(.*))-\]-(.*)-\[-(\/a>)/isU", '\\1>\\3<\\4', $body);
return $body;
}
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function ReplaceKeyword($kw,&$body)
{
global $cfg_cmspath;
$maxkey = 5;
$kws = explode(",",trim($kw)); //以分好为间隔符
$i=0;
$karr = $kaarr = $GLOBALS['replaced'] = array();
//暂时屏蔽超链接
$body = preg_replace("#(<a(.*))(>)(.*)(<)(\/a>)#isU", '\\1-]-\\4-[-\\6', $body);
/*
foreach($kws as $k)
{
$k = trim($k);
if($k!="")
{
if($i > $maxkey)
{
break;
}
$myrow = $this->dsql->GetOne("SELECT * FROM zuimoban_keywords WHERE keyword='$k' AND rpurl<>'' ");
if(is_array($myrow))
{
$karr[] = $k;
$GLOBALS['replaced'][$k] = 0;
$kaarr[] = "<a rel="nofollow noopener noreferrer" href='{$myrow['rpurl']}'><u>$k</u></a>";
}
$i++;
}
}
*/
$query = "SELECT * FROM zuimoban_keywords WHERE rpurl<>'' ORDER BY rank DESC";
$this->dsql->SetQuery($query);
$this->dsql->Execute();
while($row = $this->dsql->GetArray())
{
$key = trim($row['keyword']);
$key_url=trim($row['rpurl']);
$karr[] = $key;
$kaarr[] = "<a rel="nofollow noopener noreferrer" href='$key_url' target='_blank'><u>$key</u></a>";
}
// 这里可能会有错误
$body = @preg_replace("#(^|>)([^<]+)(?=<|$)#sUe", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);
//恢复超链接
$body = preg_replace("#(<a(.*))-\]-(.*)-\[-(\/a>)#isU", '\\1>\\3<\\4', $body);
return $body;
}
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本文升级到dedecms 5.7文档关键词代码部分细节警示到此结束。到不了的就是永远、忘不了的就是曾经。小编再次感谢大家对我们的支持！
