jsoup 网页信息 抓取 选择器

package com.example.gaoerfu1.golf_news; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.nodes.Node; import org.jsoup.select.Elements; public class WebContent { // public static void main(String[] args) throws IOException { // WebContent wb = new WebContent(); // wb.getCont(); // } public List<ContentBean> getCont() throws IOException { String url = "http://golf.sina.cn/?vt=4"; String elem = "div.lS1>p"; try { Document doc = Jsoup.connect(url).timeout(0).get(); Elements items = doc.select(elem); List<ContentBean> list = new ArrayList<ContentBean>(); int i = 0; for (Element item : items) { i++; ContentBean cb = new ContentBean(); Node node = item.childNode(0); String emp = node.toString().trim(); if ("".equals(emp)) { node = item.childNode(1); } // 网址 String ulr2 = node.attr("href"); cb.setUrl(ulr2); // 标题 String name = node.toString(); name = name.substring(name.indexOf(">") + 1, name.lastIndexOf("<")); cb.setTitle(name); String elem2 = "p.prot"; Document doc2 = Jsoup.connect(ulr2).timeout(0).get(); Elements items2 = doc2.select(elem2); for (Element item1 : items2) { // 时间 String date = item1.childNode(0).toString(); cb.setDate(date); //来源 String src = item1.childNode(1).toString(); src = src.substring(src.indexOf(">") + 1, src.lastIndexOf("<")); cb.setSrc(src); } list.add(cb); if (i == 4) { break; } } return list; } catch (Exception e) { e.printStackTrace(); } return null; } }