https://github.com/yasserg/crawler4j

需要两个包：

　　crawler4j-4.1-jar-with-dependencies.jar

　　slf4j-simple-1.7.22.jar（如果不加，会有警告：SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".）

 相关包下载：

http://download.csdn.net/detail/talkwah/9747407

 

（crawler4j-4.1-jar-with-dependencies.jar相关资料少，github下载半天还失败，故整理了一下）

参考资料：

http://blog.csdn.net/zjm131421/article/details/13093869

 

http://favccxx.blog.51cto.com/2890523/1691079/

 

import java.util.Set;import java.util.regex.Pattern;import edu.uci.ics.crawler4j.crawler.CrawlConfig;import edu.uci.ics.crawler4j.crawler.CrawlController;import edu.uci.ics.crawler4j.crawler.Page;import edu.uci.ics.crawler4j.crawler.WebCrawler;import edu.uci.ics.crawler4j.fetcher.PageFetcher;import edu.uci.ics.crawler4j.parser.HtmlParseData;import edu.uci.ics.crawler4j.robotstxt.RobotstxtConfig;import edu.uci.ics.crawler4j.robotstxt.RobotstxtServer;import edu.uci.ics.crawler4j.url.WebURL;public class AhCrawler extends WebCrawler {    // 三要素：    // _访问谁？    // _怎么访？    // _访上了怎么处置？    private static final String C_URL = "http://www.ximalaya.com";    @Override    public boolean shouldVisit(Page referringPage, WebURL url) {        String href = url.getURL().toLowerCase();        // 不匹配：MP3|jpg|png结尾的资源        Pattern p = Pattern.compile(".*(\\.(MP3|jpg|png))$");        return !p.matcher(href).matches() && href.startsWith(C_URL);    }    @Override    public void visit(Page page) {        String url = page.getWebURL().getURL();        String parentUrl = page.getWebURL().getParentUrl();        String anchor = page.getWebURL().getAnchor();        System.out.println("↓↓↓↓↓↓↓↓↓");        System.out.println("URL        :" + url);        System.out.println("Parent page:" + parentUrl);        System.out.println("Anchor text:" + anchor);        logger.info("URL: {}", url);        logger.debug("Parent page: {}", parentUrl);        logger.debug("Anchor text: {}", anchor);        if (page.getParseData() instanceof HtmlParseData) {            HtmlParseData htmlParseData = (HtmlParseData) page.getParseData();            String text = htmlParseData.getText();            String html = htmlParseData.getHtml();            Set
     
       links = htmlParseData.getOutgoingUrls();            System.out.println("--------------------------");            // System.out.println("Text length: " + text.length());            // System.out.println("Html length: " + html.length());            System.out.println("Number of outgoing links: " + links.size());        }        System.out.println("↑↑↑↑↑↑↑");    }    public static void main(String[] args) throws Exception {        // 源代码例子中，这两位是两只参数        // 配置个路径，这个路径相当于Temp文件夹，不用先建好，        String crawlStorageFolder = "/data/crawl/root";        int numberOfCrawlers = 7;        CrawlConfig crawlConf = new CrawlConfig();        crawlConf.setCrawlStorageFolder(crawlStorageFolder);        PageFetcher pageFetcher = new PageFetcher(crawlConf);        RobotstxtConfig robotConf = new RobotstxtConfig();        RobotstxtServer robotServ = new RobotstxtServer(robotConf, pageFetcher);        // 控制器        CrawlController c = new CrawlController(crawlConf, pageFetcher,                robotServ);        // 添加网址        c.addSeed(C_URL);        // 启动爬虫        c.start(AhCrawler.class, numberOfCrawlers);    }}
     

 

CrawlController c 的来历：

结果示例：

↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/5333001/sound/25320285Parent page:http://www.ximalaya.com/dq/music-ACG/Anchor text:俊豪演奏 - 琵琶版《刀劍如夢》[Crawler 3] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/5333001/sound/25320285--------------------------Number of outgoing links: 131↑↑↑↑↑↑↑[Crawler 7] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/30119950/sound/12181402↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/30119950/sound/12181402Parent page:http://www.ximalaya.com/dq/book-果麦文化/Anchor text:第二十六集 人生的意思不在于留下什么，而在于经历--------------------------Number of outgoing links: 134↑↑↑↑↑↑↑↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/zhubo/56833971/Parent page:http://www.ximalaya.com/4932085/sound/21902925Anchor text:null[Crawler 1] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/zhubo/56833971/--------------------------Number of outgoing links: 68↑↑↑↑↑↑↑[Crawler 4] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/5413571/sound/2349697↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/5413571/sound/2349697Parent page:http://www.ximalaya.com/dq/renwen-新知/Anchor text:41-方明-西江月·夜行黄沙道中 南宋 辛弃疾--------------------------Number of outgoing links: 134↑↑↑↑↑↑↑[Crawler 6] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/5011186/sound/30650945↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/5011186/sound/30650945Parent page:http://www.ximalaya.com/dq/finance-大咖/Anchor text:03--------------------------Number of outgoing links: 111↑↑↑↑↑↑↑↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/1000144/album/3559805Parent page:http://www.ximalaya.com/dq/music-文艺/Anchor text:null[Crawler 2] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/1000144/album/3559805--------------------------Number of outgoing links: 85↑↑↑↑↑↑↑↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/4932085/sound/21902925/likerParent page:http://www.ximalaya.com/4932085/sound/21902925Anchor text:更多[Crawler 1] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/4932085/sound/21902925/liker--------------------------Number of outgoing links: 96↑↑↑↑↑↑↑↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/30895669/sound/19945445Parent page:http://www.ximalaya.com/dq/music-ACG/Anchor text:宫崎骏-久石让[Crawler 3] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/30895669/sound/19945445--------------------------Number of outgoing links: 131↑↑↑↑↑↑↑↓↓↓↓↓↓↓↓↓URL        :http://www.ximalaya.com/9112346/album/2903291Parent page:http://www.ximalaya.com/dq/book-果麦文化/Anchor text:null[Crawler 7] INFO edu.uci.ics.crawler4j.crawler.WebCrawler - URL: http://www.ximalaya.com/9112346/album/2903291--------------------------Number of outgoing links: 90↑↑↑↑↑↑↑