HttpClient网络请求

public static String getNet(String path){    HttpClient client=new DefaultHttpClient();    HttpUriRequest get=new HttpGet(path);    try {        HttpResponse response1 = client.execute(get);        int code = response1.getStatusLine().getStatusCode();        if (code==200) {            String str = EntityUtils.toString(response1.getEntity());            return str;        }    } catch (Exception e) {        // TODO Auto-generated catch block        e.printStackTrace();        System.out.println("e="+e.toString());    }    return null;}