config['domain'].'$2"', $content); // 去除链接 $content = preg_replace('#(.*)?#', '$2', $content); return $content; } protected function getCover($listNode) { $cover = strpos($listNode->filter('img')->attr('src'), 'http') === false ? $this->config['domain'].$listNode->filter('img')->attr('src') : $listNode->filter('img')->attr('src'); return $cover; } }