import us.codecraft.webmagic.Page;
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.selector.Selectors;
import java.util.List;
/
* @author
* @since 0.5.0
*/
public class YidianzixunProcessor implements PageProcessor {
private Site site = Site.me();
// . ? 等特殊符号需要加\\引用符
private static final String ARTICLE_URL = “http://www\\.yidianzixun\\.com/home\\?page=article&id=\\w+”;
public void process(Page page) {
if (page.getUrl().regex(ARTICLE_URL).match()) {
String content = page.getHtml().xpath(“//div[@class=’content’]”).toString();
//1)文章头部:1、标题、2、发表时间、3、文章来源
String content_hd = Selectors.xpath(“//div[@class=’content-hd’]”).select(content);
String title = Selectors.xpath(“//h2/text()”).select(content_hd);
String date = Selectors.xpath(“//div[@class=’meta’]/span[@class=’date’]/text()”).select(content_hd);
String source = Selectors.xpath(“//a[@id=’source-name’]/text()/text()”).select(content_hd);
//2)文章主题
String body = Selectors.xpath(“//div[@class=’content-bd’]”).select(content);
System.out.println(body);
} else {
List results = new JsonPathSelector(“$.result[*]”).selectList(page.getRawText());
for(String result:results){
// /home?page=article&id={
{docid}}&up={
{up}}#comment
// /home?page=article&id={
{docid}} 也是可以支持
String docid = new JsonPathSelector(“docid”).select(result);
String targetUrl = “http://www.yidianzixun.com/home?page=article&id=”+docid;
page.addTargetRequest(targetUrl);
}
}
}
public Site getSite() {
return site;
}
public static void main(String[] args) {
// url的特殊符号 ‘|’ : %7C
//通过ajax判断请求的参数
String targetUrl = “http://www.yidianzixun.com/api/q/?path=channel%7Cnews-list-for-keyword&display=%E8%8A%B1%E8%8C%B6&word_type=token&fields=docid&fields=category&fields=date&fields=image&fields=image_urls&fields=like&fields=source&fields=title&fields=url&fields=comment_count&fields=summary&fields=up&cstart=10&cend=20&version=&infinite=true”;
Spider.create(new YidianzixunProcessor()).addUrl(targetUrl).thread(5).run();
}
}
相关的包
us.codecraft
webmagic-core
0.5.3
us.codecraft
webmagic-extension
0.5.3
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