Java 无法使用JSoup分析HTML
我想从网站上获取HTML数据,下载480p的视频。但它不起作用。为此,我使用了一个异步类。以下是我的doInBackground方法:Java 无法使用JSoup分析HTML,java,android,html,android-studio,jsoup,Java,Android,Html,Android Studio,Jsoup,我想从网站上获取HTML数据,下载480p的视频。但它不起作用。为此,我使用了一个异步类。以下是我的doInBackground方法: @Override protected Void doInBackground(Void... voids) { try { // DOWNLOAD_URL="http://topvideodownloader.com/?url=https%3A%2F%2Fwww.dailymotion.co
@Override
protected Void doInBackground(Void... voids) {
try {
// DOWNLOAD_URL="http://topvideodownloader.com/?url=https%3A%2F%2Fwww.dailymotion.com%2Fvideo%2Fx7nctdj"
Log.i("DownloadActivity", DOWNLOAD_URL);
Connection.Response response = Jsoup.connect(DOWNLOAD_URL)
.ignoreContentType(true)
.userAgent("Mozilla/5.0 (Windows NT 6.1; WOW64; rv:64.0) Gecko/20100101 Firefox/64.0")
.referrer("http://www.google.com")
.timeout(12000)
.followRedirects(true)
.execute();
Document doc = response.parse();
Log.i("DownloadActivity",doc.toString());
// title = doc.select("div.title").text();
// Log.e("Main", title);
// String atag= doc.select("a.vd-down btn btn-default btn-download").attr("href");
// matag = atag;
// Log.e("Main", matag);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
但方法是获取完整的HTML。它只取它的前几行。我也试着去拿
Document doc = Jsoup.connect(DOWNLOAD_URL).userAgent("Mozilla/5.0 (Windows; U; WindowsNT 5.1; en-US; rv1.8.1.6) Gecko/20070725 Firefox/2.0.0.6").get();
但是用这种方法。它连一行字都没有
我不知道我做错了什么??请帮帮我。非常感谢试试这个
class TestAsync extends AsyncTask<Void, Integer, String> {
String TAG = getClass().getSimpleName();
protected void onPreExecute() {
super.onPreExecute();
//show progress bar
}
protected String doInBackground(Void...arg0) {
try {
// DOWNLOAD_URL="http://topvideodownloader.com/?url=https%3A%2F%2Fwww.dailymotion.com%2Fvideo%2Fx7nctdj"
Document doc = Jsoup.connect(DOWN_URL)
.header("Accept-Encoding", "gzip, deflate")
.userAgent("Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0")
.maxBodySize(0)
.timeout(0)
.get();
Log.i("DownloadActivity",doc.toString());
// title = doc.select("div.title").text();
// Log.e("Main", title);
// String atag= doc.select("a.vd-down btn btn-default btn-download").attr("href");
// matag = atag;
// Log.e("Main", matag);
} catch (Exception e) {
e.printStackTrace();
}
return "success";
}
protected void onPostExecute(String result) {
super.onPostExecute(result);
if(result.equals("success"))
//stop progress bar
}
}
类TestAsync扩展异步任务{
字符串标记=getClass().getSimpleName();
受保护的void onPreExecute(){
super.onPreExecute();
//显示进度条
}
受保护的字符串doInBackground(无效…arg0){
试一试{
//下载_URL=”http://topvideodownloader.com/?url=https%3A%2F%2Fwww.dailymotion.com%2Fvideo%2Fx7nctdj"
Document doc=Jsoup.connect(DOWN\u URL)
.header(“接受编码”、“gzip、deflate”)
.userAgent(“Mozilla/5.0(Windows NT 6.1;WOW64;rv:23.0)Gecko/20100101 Firefox/23.0”)
.maxBodySize(0)
.超时(0)
.get();
Log.i(“DownloadActivity”,doc.toString());
//title=doc.select(“div.title”).text();
//日志e(“主要”,标题);
//字符串atag=doc.select(“a.vd-down btn默认btn下载”).attr(“href”);
//matag=atag;
//Log.e(“主要”,matag);
}捕获(例外e){
e、 printStackTrace();
}
返回“成功”;
}
受保护的void onPostExecute(字符串结果){
super.onPostExecute(结果);
如果(结果等于(“成功”))
//停止进度条
}
}
检查下面一条注释不用于扩展讨论;这段对话已经结束。