webmagic爬取腾讯nba数据

package cn.taneroom.webmagic.demo.processor;

import java.util.List;

import org.apache.commons.collections.CollectionUtils;

import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Request;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Spider;
import us.codecraft.webmagic.processor.PageProcessor;
import us.codecraft.webmagic.selector.JsonPathSelector;
import us.codecraft.webmagic.utils.HttpConstant;

/**
 * 腾讯NBA数据爬取
 * @author TANZHEN553
 */
public class TencentNbaPageProcessor implements PageProcessor {

// 抓取网站的相关配置，包括：编码、抓取间隔、重试次数等
private Site site = Site.me().setRetryTimes(3).setSleepTime(1000);

private final String LIST_URL = "http://tags\\.open\\.qq\\.com/interface/tag/articles\\.php\\?callback=tagListCb&p=\\d+&l=\\d+&tag=NBA&oe=gbk&ie=utf-8&source=web&site=sports&_=\\d+";
private final String DETAIL_URL = "http://sports\\.qq\\.com/a/\\d+/\\d+\\.htm";

public Site getSite() {
return site;
    }

public void process(Page page) {
if (page.getUrl().regex(LIST_URL).match()) {  // 匹配列表页
// 获取列表的jsonp数据，并解析得到对应的详情url
            String rawText = page.getRawText();
            rawText = rawText.substring("tagListCb(".length(), rawText.length() - 1);
            List<String> detailUrls = new JsonPathSelector("$.data.articles[*].url").selectList(rawText);  
if (CollectionUtils.isNotEmpty(detailUrls)) {  
for (String detailUrl : detailUrls) {  
//构造get请求 
                    Request request = createGetRequest(detailUrl);  
//添加Request对象到URL请求队列 
                    page.addTargetRequest(request);  
                }  
            }  
        } else if (page.getUrl().regex(DETAIL_URL).match()) {  // 匹配详情页
            String title = page.getHtml().xpath("//div[@class='qq_article']/div[@class='hd']/h1/text()").get();
            String content = page.getHtml().xpath("//div[@id='Cnt-Main-Article-QQ']").get();
if (content.length() > 1000) {
                content = content.substring(0, 1000)+"......";
            }
            System.out.println("标题：\n"+title);
            System.out.println("内容：\n"+content);
        }
    }

/**
 * 创建GET请求的Request对象 
 * @param url
 * @return
 */
private Request createGetRequest(String url){  
//构造Request请求对象 
        Request request = new Request(url);  
        request.setMethod(HttpConstant.Method.GET);  
return request;  
    }  

public static void main(String[] args) {
int start = 1;
int end = 20;
        Spider.create(new TencentNbaPageProcessor()).addUrl("http://tags.open.qq.com/interface/tag/articles.php?callback=tagListCb&p="+start+"&l="+end+"&tag=NBA&oe=gbk&ie=utf-8&source=web&site=sports&_="+System.currentTimeMillis()).thread(3).run();
    }

}