httpclient htmlunit下载单个文件

httpclient

 public class Download {
     public static void main(String[] args) throws ClientProtocolException, IOException {
         String url = "http://1251214202.vod2.myqcloud.com/8f3139d3vodgzp1251214202/c9bff9c47447398155998582539/5nFpW8vzdYAA.mp3";
         CloseableHttpClient client = HttpClients.createDefault();
         HttpGet get = new HttpGet(url);
         CloseableHttpResponse response = client.execute(get);
         if(response.getStatusLine().getStatusCode() == 200) {
             HttpEntity entity = response.getEntity();
         //    System.out.println(entity.getContentLength());
             IOUtils.write(IOUtils.readFully(entity.getContent(),(int)entity.getContentLength()),new FileOutputStream("f:/枯叶双子.mp3"));
         }
         response.close();
         get.abort();
         client.close();
     }
 }

htmlunit

 public class Download {
     public static void main(String[] args) throws FailingHttpStatusCodeException, MalformedURLException, IOException {
         WebClient client = new WebClient(BrowserVersion.CHROME);
         String url = "http://1251214202.vod2.myqcloud.com/8f3139d3vodgzp1251214202/c9bff9c47447398155998582539/5nFpW8vzdYAA.mp3";
         Page  page = client.getPage(url);
         InputStream contentAsStream = page.getWebResponse().getContentAsStream();
         IOUtils.write(IOUtils.readFully(contentAsStream,(int)page.getWebResponse().getContentLength()),new FileOutputStream("f:/枯叶双子111.mp3"));
         client.close();
     }
 }