public class aa {    public static void main(String[] args) {        // 创建HttpClient实例        HttpClient httpclient = new DefaultHttpClient();        // 创建Get方法实例        HttpPost httpPost = new HttpPost(                "http://localhost:8080/sso/modify/modify.action");        List
     
       nvps = new ArrayList
      
       ();        // 提交两个参数及值        nvps.add(new BasicNameValuePair("data", "wwwq"));        // 设置表单提交编码为UTF-8        try {            httpPost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));            HttpResponse response = httpclient.execute(httpPost);            HttpEntity entity = response.getEntity();            if (entity != null) {                InputStream instreams = entity.getContent();                String str = convertStreamToString(instreams);                System.out.println("Do something");                System.out.println(str);                // Do not need the rest            }        } catch (Exception e) {              e.printStackTrace();        }finally{            httpPost.abort();        }    }    public static String convertStreamToString(InputStream is) {        BufferedReader reader = new BufferedReader(new InputStreamReader(is));        StringBuilder sb = new StringBuilder();        String line = null;        try {            while ((line = reader.readLine()) != null) {                sb.append(line + "\n");            }        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                is.close();            } catch (IOException e) {                e.printStackTrace();            }        }        return sb.toString();    }}