java讀取html文件

	public static String do_post(String url) throws IOException {
        String body = "{}";
        DefaultHttpClient httpclient = new DefaultHttpClient();
        try {
            HttpPost httpost = new HttpPost(url);
//            httpost.setEntity(new UrlEncodedFormEntity(name_value_pair, StandardCharsets.UTF_8));
            HttpResponse response = httpclient.execute(httpost);
            HttpEntity entity = response.getEntity();
            body = EntityUtils.toString(entity);
        } finally {
            httpclient.getConnectionManager().shutdown();
        }
        return body;
    }
    public static String do_get(String url) throws  IOException {
        String body = "{}";
        DefaultHttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpget = new HttpGet(url);
            HttpResponse response = httpclient.execute(httpget);
            HttpEntity entity = response.getEntity();
            body = EntityUtils.toString(entity);
        } finally {
            httpclient.getConnectionManager().shutdown();
        }
        return body;
    }
    
    public static void main(String[] args) throws IOException{
    	String body = do_get("http://localhost:8080/crsWebApp/backoffice/Group/show.do?id=1");
    	System.out.println(body);
    }