读取指定编码、网址的HTML代码，指定编码html代码,public class

读取指定编码、网址的HTML代码，指定编码html代码,public class

public class HtmlUtils {    public static String readUrl(String urlName, String encoding) {        try {            StringBuffer sb = new StringBuffer();            URL url = new URL(urlName);            URLConnection conn = url.openConnection();            conn.setConnectTimeout(30 * 1000);            conn.setReadTimeout(30 * 1000);            BufferedReader br = new BufferedReader(new InputStreamReader(conn                    .getInputStream(), encoding));            String line;            while ((line = br.readLine()) != null) {                sb.append(line);            }            return sb.toString();        } catch (MalformedURLException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }}//该片段来自于http://byrx.net