通过JAVA获取土豆视频
通过JAVA获取土豆视频，现在很多社会网站都有这个功能，用户输入土豆视频地址后，能找到对应的视频及视频的缩略图，有些社区网站还能获取到视频的时长。
比如：新浪微博就有这个功能，当用户输入视频网址后，就能获取到相应的视频地址及视频的缩略图。
import java.io.IOException;import java.io.UnsupportedEncodingException;import java.net.MalformedURLException;import org.jsoup.Jsoup;import org.jsoup.nodes.Document;/*** 获取土豆网视频* @author sunlightcs* 2011-3-31* http://hi.juziku.com/sunlightcs/*/public class TudouTest {public static void main(String[] args) throws Exception{Document doc = getURLContent();String content = doc.html();int beginLocal = content.indexOf("<script>document.domain");int endLocal = content.indexOf("</script>");content = content.substring(beginLocal, endLocal);String flashUrl = getScriptVarByName("iid_code", content);flashUrl = "http://www.tudou.com/v/" + flashUrl + "/v.swf";System.out.println("视频地址："+flashUrl);String pic = getScriptVarByName("thumbnail", content);System.out.println("视频缩略图："+pic);String time = getScriptVarByName("time", content);System.out.println("视频时长："+time);}/** * 获取script某个变量的值 * @param name 变量名称 * @return 返回获取的值 */private static String getScriptVarByName(String name, String content){String script = content;int begin = script.indexOf(name);script = script.substring(begin+name.length()+2);int end = script.indexOf(",");script = script.substring(0,end);String result=script.replaceAll("'", "");result = result.trim();return result;}/** * 获取土豆网页的内容 */private static Document getURLContent() throws MalformedURLException, IOException, UnsupportedEncodingException {Document doc = Jsoup.connect("http://www.tudou.com/programs/view/pVploWOtCQM/") .data("query", "Java") .userAgent("Mozilla") .cookie("auth", "token") .timeout(3000) .post();return doc;}}