/** *  httpcomponents-client-4.3.6 * @author y */public class HttpUtil {        public static String httpPost( List<NameValuePair> formparams,final String url){        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);                //设置网络超时        RequestConfig config = RequestConfig.custom()                .setConnectionRequestTimeout(3*1000)                .setConnectTimeout(3*1000)                .setSocketTimeout(3*1000)                .build();                HttpPost httppost = new HttpPost(url);        httppost.setConfig(config);        httppost.setEntity(entity);                CloseableHttpClient httpclient = HttpClients.createDefault();        CloseableHttpResponse response = null;                String reuslt = "";                try {            response = httpclient.execute(httppost);                        if (response.getStatusLine().getStatusCode() == 200) {                HttpEntity entityContent = response.getEntity();                if (entityContent != null) {                    reuslt = EntityUtils.toString(entityContent, Consts.UTF_8); //指定编码格式防止中文乱码                }            }else{                Logger.getLogger(Test.class.getName()).log(Level.SEVERE, null, "网络链接超时");            }        } catch (IOException ex) {            Logger.getLogger(Test.class.getName()).log(Level.SEVERE, null, ex);        }finally {            try{                if(response!=null){                    response.close();                }            }catch (IOException ex) {                Logger.getLogger(Test.class.getName()).log(Level.SEVERE, null, ex);            }        }                return reuslt;    }    }