public static PageModelExtractor create(Class clazz) {
        PageModelExtractor pageModelExtractor = new PageModelExtractor();
        pageModelExtractor.init(clazz);
        return pageModelExtractor;
    }
The main internal logic of page model extractor.

@author code4crafter@gmail.com <br>
@since 0.2.0
webmagic-extension/src/main/java/us/codecraft/webmagic/model/PageModelExtractor.java