public class HttpHelper {

    //1:标准的Java接口

    public static String getStringFromNet1(String param){

        String result="";

        try{

            URL url=new URL(param);

            HttpURLConnection conn=(HttpURLConnection)url.openConnection();

            if(conn.getResponseCode()==HttpURLConnection.HTTP_OK){

                InputStream is=conn.getInputStream();

                byte[]data=new byte[1024];

                int len=is.read(data);

                result=new String(data,0,len);

                is.close();

                conn.disconnect();

            }

        }catch(Exception e){

            e.printStackTrace();

        }

        return result;

    }

    //2:Apache接口

    public static String getStringFromNet2(String param){

        String result="";

        try{

            HttpClient client=new DefaultHttpClient();

            HttpGet get=new HttpGet(param);

            HttpResponse response=client.execute(get);

            if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){

                result=EntityUtils.toString(response.getEntity());

            }

        }catch(Exception e){

            e.printStackTrace();

        }

        return result;

    }

}