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@黄亿华 你好,想跟你请教个问题:
我想爬取一个网站,是瀑布流的,现在下载了webmagic,copy了你写的花瓣雨例子运行,代码如下:
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Spider;
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']/img/@src").toString());
} else {
page.getResultItems().setSkip(true);
}
}
@Override
public Site getSite() {
if (site == null) {
site = Site.me().setDomain("huaban.com").addStartUrl("http://huaban.com/").setSleepTime(0);
}
return site;
}
public static void main(String[] args) {
Spider.create(new HuabanProcessor()).thread(5)
.pipeline(new FilePipeline("d:\\datasoft\\"))
.downloader(new SeleniumDownloader("d:\\soft\\chromedriver.exe"))
.runAsync();
}
}
我设置pipeline的存储目录为d:\datasoft,运行记录如下:
Starting ChromeDriver (v2.8.241075) on port 5952
14-01-08 22:41:11,694 INFO SeleniumDownloader(SeleniumDownloader.java:68) ## downloading page http://huaban.com/
14-01-08 22:41:24,323 INFO SeleniumDownloader(SeleniumDownloader.java:68) ## downloading page http://huaban.com/life/?md=top
Starting ChromeDriver (v2.8.241075) on port 30349
14-01-08 22:41:26,144 INFO SeleniumDownloader(SeleniumDownloader.java:68) ## downloading page http://huaban.com/weekly/
Starting ChromeDriver (v2.8.241075) on port 41623