src/curlient/crawler/PageCrawler.php
private function parseFields($data, $cfg, &$fields) {
		$grabber = StringFilter::getInstance();
		foreach ($cfg['fields'] as $name => $conf) {
			$fields[ $name ] = $grabber->filter($data, $conf);
		}
	}
private function parseFields($data, $cfg, &$fields) {
		$grabber = StringFilter::getInstance();
		foreach ($cfg['fields'] as $name => $conf) {
			$fields[ $name ] = $grabber->filter($data, $conf);
		}
	}
解析字段.

@param string|array $data
@param array        $cfg
@param array        $fields