Java获取网址HTML文本

public static String getWebHtml(String domain) {//http://www.baidu.comStringBuffer sb = new StringBuffer();InputStream is = null;InputStreamReader isr = null;BufferedReader in = null;try {java.net.URL url = new java.net.URL(domain);is = url.openStream();isr = new InputStreamReader(is,"utf-8");in = new BufferedReader(isr);String line;while ((line = in.readLine()) != null) {sb.append(line).append("\n");//System.out.println(line);}in.close();} catch (IOException e) {e.printStackTrace();}finally {try {if(in!=null){in.close();in=null;}if(isr!=null){isr.close();isr=null;}if(is!=null){is.close();is=null;}} catch (IOException e) {e.printStackTrace();}}return sb.toString();}