利用 Jsoup 和 多线程下载旺旺英语MP3

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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 Snippet {
	public static void main(String[] args) throws IOException{
		String baseUrl = "http://www.wwenglish.com";
        
        Document listDoc = Jsoup.connect("http://www.wwenglish.com/en/club/cnntv/").get();
         
        Elements dd = listDoc.select("td.category td.category_main a.list");
        
        for(Element element: dd){
        	String mp3PageUrl = baseUrl + element.attr("href");
        	//System.out.println(mp3PageUrl);
            Document mp3Doc = Jsoup.connect(mp3PageUrl).get();
            Elements mp3Elements = mp3Doc.select("a.wwmp3");
            if(null != mp3Elements && mp3Elements.size()>0){
                String mp3Url = baseUrl + mp3Elements.get(0).attr("href");
                String fileName = mp3Url.substring(mp3Url.lastIndexOf("/"));
            	//System.out.println(fileName);
            	DownLoad thread = new DownLoad(mp3Url, "F:/wwenglish"+fileName);
                thread.start();
            }
        }		
	}
}

import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

public class DownLoad extends Thread {

	public DownLoad(String mp3Url, String filepath) {
		// Open a URL Stream

		try {
			URL url = new URL(mp3Url);
			InputStream in = url.openStream();

			OutputStream out = new BufferedOutputStream(new FileOutputStream(
					filepath));

			for (int b; (b = in.read()) != -1;) {
				out.write(b);
			}
			out.close();
			in.close();
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}

 简单 使用 httpclient jsoup 做的 提取 旺旺英语

库依赖如下:

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
	<classpathentry kind="src" path="src"/>
	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
	<classpathentry kind="lib" path="H:/MavenRepository/org/jsoup/1.8.1/jsoup-1.8.1.jar"/>
	<classpathentry kind="lib" path="H:/MavenRepository/org/apache/httpcomponents/httpclient/4.0/httpclient-4.0.jar"/>
	<classpathentry kind="lib" path="H:/MavenRepository/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar"/>
	<classpathentry kind="output" path="bin"/>
</classpath>

利用 Jsoup 和 多线程下载旺旺英语MP3

标签：

原文地址：http://blog.csdn.net/kanglecjr/article/details/43857549