Jsoup Element网页信息采集

时间：2023-12-20 21:22:50
package zeze;

import java.io.IOException;

import org.jsoup.Jsoup;

import org.jsoup.nodes.Document;

import org.jsoup.select.Elements;

public class TestJsoup {

    public  Document getDocument (String url){

        try {

            return Jsoup.connect(url).get();

        } catch (IOException e) {

            e.printStackTrace();

        }

        return null;

    }

    public static void main(String[] args) {

        TestJsoup t = new TestJsoup();

        Document doc = t.getDocument("http://www.weather.com.cn/html/weather/101280101.shtml");

        // 获取目标HTML代码

        Elements elements1 = doc.select("[class=dn on][data-dn=7d1]");

        // 今天

        Elements elements2 = elements1.select("h1");

        String today = elements2.get(0).text();

        System.out.println(today);

        // 几号

        Elements elements3 = elements1.select("h2");

        String number = elements3.get(0).text();

        System.out.println(number);

        // 是否有雨

        Elements elements4 = elements1.select("[class=wea]");

        String rain = elements4.get(0).text();

        System.out.println(rain);

        // 高的温度

        Elements elements5 = elements1.select("span");

        String highTemperature = elements5.get(0).text()+"°C";

        System.out.println(highTemperature);

        // 低的温度

        String lowTemperature = elements5.get(1).text()+"°C";

        System.out.println(lowTemperature);

        // 风力

        Elements elements6 = elements1.select("i");

        String wind = elements6.get(2).text();

        System.out.println(wind);

    }

}
package zeze;

import java.io.IOException;

import org.jsoup.Jsoup;

import org.jsoup.nodes.Document;

import org.jsoup.nodes.Element;

import org.jsoup.select.Elements;

public class TestJsoup {

    public  Document getDocument (String url){

        try {

            return Jsoup.connect(url).get();

        } catch (IOException e) {

            e.printStackTrace();

        }

        return null;

    }

    public static void main(String[] args) {

        TestJsoup t = new TestJsoup();

        Document doc = t.getDocument("http://www.weather.com.cn/html/weather/101280101.shtml");

        // 获取目标HTML代码

        Elements elements1 = doc.select("[class=dn][data-dn=7d2]");//getElementsByClass("dn");

        // 今天

        Elements elements2 = elements1.select("h1");

        String today = elements2.get(0).text();

        System.out.println(today);

        // 几号

        Elements elements3 = elements1.select("h2");

        String number = elements3.get(0).text();

        System.out.println(number);

        // 是否有雨

        Elements elements4 = elements1.select("[class=wea]");

        String rain = elements4.get(0).text();

        System.out.println(rain);

        // 高的温度

        Elements elements5 = elements1.select("span");

        String highTemperature = elements5.get(0).text()+"°C";

        System.out.println(highTemperature);

        // 低的温度

        String lowTemperature = elements5.get(1).text()+"°C";

        System.out.println(lowTemperature);

        // 风力

        Elements elements6 = elements1.select("i");

        String wind = elements6.get(2).text();

        System.out.println(wind);

        Elements zeze = doc.select("[class=Lcontent]");

        for (Element result : zeze)

		{

			Elements links = result.getElementsByTag("a");

			for (Element link : links)

			{//筛选

				String linkHref = link.attr("href");

				String linkText = link.text();

				System.out.println(linkHref+"\n"+linkText);

			}

		}

    }

}

　　http://www.cnblogs.com/xiaoMzjm/p/3899366.html?utm_source=tuicool&utm_medium=referral

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