public static List<Selector> getSelectors(ExtractBy[] extractBies) {
        List<Selector> selectors = new ArrayList<Selector>();
        if (extractBies == null) {
            return selectors;
        }
        for (ExtractBy extractBy : extractBies) {
            selectors.add(getSelector(extractBy));
        }
        return selectors;
    }
Tools for annotation converting. <br>

@author code4crafter@gmail.com <br>
@since 0.2.1
webmagic-extension/src/main/java/us/codecraft/webmagic/utils/ExtractorUtils.java