Java-从url读取页面源不起作用

Question

I am using the code below to read page source from url. It works almost for all urls but not for this url and just returns the url itself.

public static String getURLSource(String url) throws IOException
{
    URL urlObject = new URL(url);
    URLConnection urlConnection = urlObject.openConnection();
    //urlConnection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");

    return toString(urlConnection.getInputStream());
}

private static String toString(InputStream inputStream) throws IOException
{
    try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8")))
    {
        String inputLine;
        StringBuilder stringBuilder = new StringBuilder();
        while ((inputLine = bufferedReader.readLine()) != null)
        {
            stringBuilder.append(inputLine);
        }

        return stringBuilder.toString();
    }
}

What is the problem and how can I modify the code to work properly? Thanks.

Answer 1

您必须使用HttpsURLConnection，因为它是https。