public class HttpUtil {

static Logger log = Logger.getLogger(HttpUtil.class);

public static String send(String callURL,String postData) throws Exception {

log.info("call url is:" + callURL);

log.info("call postData is:" + postData);try { URL url = new URL(callURL);HttpURLConnection connection = null;connection = (HttpURLConnection) url.openConnection();connection.setRequestMethod("POST");connection.setDoOutput(true);connection.setDoInput(true);connection.connect();DataOutputStream out = new DataOutputStream(connection.getOutputStream());

out.write(postData.getBytes("UTF-8"));

out.flush();out.close();int rc = connection.getResponseCode();log.info("connect result is:" + rc);// 响应成功if (rc == 200) { String temp;InputStream in = null;in = connection.getInputStream();BufferedReader data = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuffer result = new StringBuffer();while ((temp = data.readLine()) != null) { result.append(temp);temp = null;}data.close();in.close();log.info("returnData is:" + result.toString());return result.toString();}} catch (IOException io) { log.error(io.toString());throw io;} catch (Exception e) { log.error(e.getMessage());throw e;}return null;}}想用http方式调用的util已经写好， 需要的人直接复制粘贴便可用。 如果觉得有用请回复一下。 允许转载，但必须标明出处