package us.codecraft.webmagic.samples;
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Spider;
import us.codecraft.webmagic.downloader.selenium.SeleniumDownloader;
import us.codecraft.webmagic.pipeline.FilePipeline;
import us.codecraft.webmagic.processor.PageProcessor;
/**
* 花瓣网抽取器。<br>
* 使用Selenium做页面动态渲染。<br>
* @author code4crafter@gmail.com <br>
* Date: 13-7-26 <br>
* Time: 下午4:08 <br>
*/
public class HuabanProcessor implements PageProcessor {
private Site site;
@Override
public void process(Page page) {
page.addTargetRequests(page.getHtml().links().regex("http://huaban\\.com/.*").all());
if (page.getUrl().toString().contains("pins")) {
page.putField("img", page.getHtml().xpath("//div[@id='pin_img']/a/img/@src").toString());
} else {
page.getResultItems().setSkip(true);
}
}
@Override
public Site getSite() {
if (null == site) {
site = Site.me().setDomain("huaban.com").setSleepTime(0);
}
return site;
}
public static void main(String[] args) {
Spider.create(new HuabanProcessor()).thread(5)
.addPipeline(new FilePipeline("/data/webmagic/test/"))
.setDownloader(new SeleniumDownloader("/Users/yihua/Downloads/chromedriver"))
.addUrl("http://huaban.com/")
.runAsync();
}
}