public String sendHttpMessage(String urlStr) { URL url = null; HttpURLConnection httpurlconnection = null; try { url = new URL(urlStr); // 以post方式请求 httpurlconnection = (HttpURLConnection) url.openConnection(); httpurlconnection.setDoOutput(true); httpurlconnection.setRequestMethod("POST"); httpurlconnection.getOutputStream().flush(); httpurlconnection.getOutputStream().close(); // 获取页面内容 java.io.InputStream in = httpurlconnection.getInputStream(); java.io.BufferedReader breader = new BufferedReader(new InputStreamReader(in, "utf-8")); StringBuffer result = new StringBuffer(); String str = breader.readLine(); while (str != null) { result.append(str); str = breader.readLine(); } return result.toString(); } catch (Exception e) { e.printStackTrace(); } finally { if (httpurlconnection != null) httpurlconnection.disconnect(); } return null; }