dedecms关键词维护里面字数多的词优先字数少的词的解决办法

织梦后台的关键词维护默认的情况是字数少的词优先于字数多的词,比如我们有两个这样的词:创业、创业方向,第二个词包含了第一个词,在文章中如果出现“创业方向”这个词,默认情况下只会给创业两个字添加关键词超链接,而不是整个词,那么我们怎么样才能实现字数多的词优先于字数少的词呢?下面就告诉大家具体的解决方法:


我们找到并打开/include/arc.archives.class.php文件,在里面找到如下代码:

  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 = $this->dsql->GetOne("SELECT * FROM #【分隔符】@__keywords WHERE keyword='$k' AND rpurl<>'' ");                  if(is_array($myrow))                  {                      $karr[] = $k;                      $GLOBALS['replaced'][$k] = 0;                      $kaarr[] = "<a href='{$myrow['rpurl']}'><u>$k</u></a>";                  }                  $i++;              }          }          */          $query = "SELECT * FROM #【分隔符】@__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;              $kaarr[] = "<a href='$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;      }  

注意查找代码的时候先手动去掉代码里面的【分隔符】字样!

找到后将其替换为如下代码:

      function ReplaceKeyword($kw,&$body)      {      global $cfg_cmspath,$dsql;      $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);      $query="SELECT * FROM #【分隔符】@__keywords WHERE rpurl<>'' and sta=1 ORDER BY length(keyword)desc";      $dsql->SetQuery($query);      $dsql->Execute();      while($row = $dsql->GetArray())      {      $key = trim($row['keyword']);      $key_url=trim($row['rpurl']);      $karr[] = $key;      $kaarr[] = "<u><a href='$key_url' target='_blank'>$key</a></u>";      }      foreach ($karr as $key => $word)      {      $body = preg_replace("/(^|>)([^<]+)(?=<|$)/sUe", "_highlight('\2', $karr[$key], $kaarr[$key],      '\1')", $body);      //echo $body."<br/>";      //恢复超链接      $body = preg_replace("/(<a(.*))-]-(.*)-[-(/a>)/isU", '\1>\3<\4', $body);//暂时屏蔽超链接      $body = preg_replace("/(<a(.*))(>)(.*)(<)(/a>)/isU", '\1-]-\4-[-\6', $body);      }      //恢复超链接      $body = preg_replace("/(<a(.*))-]-(.*)-[-(/a>)/isU", '\1>\3<\4', $body);          return $body;      }      }      //End Archives      //高亮专用, 替换多次是可能不能达到最多次      function _highlight($string, $words, $result, $pre)      {      global $cfg_replace_num;      $string = str_replace('"', '"', $string);  if($GLOBALS['replaced'][$words] == 1){      return $pre.$string;      }  if($cfg_replace_num > 0){      $string = preg_replace("/".preg_quote($words)."/", $result, $string, $cfg_replace_num);      if(strpos($string, $words) !== false)      {          $GLOBALS['replaced'][$words] = 1;          }          }  else{$string = str_replace($words, $result, $string);  }  return $pre.$string;  }

注意手动去掉代码里面的【分隔符】字样!

 


替换完成后保存即可,然后生成一下文章内容试试。

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